diff --git a/demos/bsp/boards/microbuilder/board_rf1ghznode.c b/demos/bsp/boards/microbuilder/board_rf1ghznode.c index fca3fcc75..9560472cb 100644 --- a/demos/bsp/boards/microbuilder/board_rf1ghznode.c +++ b/demos/bsp/boards/microbuilder/board_rf1ghznode.c @@ -1,115 +1,115 @@ -/**************************************************************************/ -/*! - @file board_rf1ghznode.c - @author hathach (tinyusb.org) - - @section LICENSE - - Software License Agreement (BSD License) - - Copyright (c) 2013, hathach (tinyusb.org) - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. Neither the name of the copyright holders nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY - EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND - ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - This file is part of the tinyusb stack. -*/ -/**************************************************************************/ - -#include "../board.h" - -#if BOARD == BOARD_RF1GHZNODE - -#define LED_PORT (1) -#define LED_PIN (31) -#define LED_ON (0) -#define LED_OFF (1) - -const static struct { - uint8_t port; - uint8_t pin; -} buttons[] = { { 0, 1 } }; - -enum { - BOARD_BUTTON_COUNT = sizeof(buttons) / sizeof(buttons[0]) -}; - -void board_init(void) -{ - SystemInit(); - -#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c - SysTick_Config(SystemCoreClock / CFG_TICKS_PER_SECOND); // 1 msec tick timer -#endif - - GPIOInit(); - - //------------- LED -------------// - GPIOSetDir(LED_PORT, LED_PIN, 1); - board_leds(0x01, 0); // turn off the led first - - //------------- BUTTON -------------// - for(uint8_t i=0; i /*!< standard types definitions */ -#include "core_cmInstr.h" /*!< Core Instruction Access */ -#include "core_cmFunc.h" /*!< Core Function Access */ - -#endif /* __CORE_CM0_H_GENERIC */ - - -#ifndef __CMSIS_GENERIC - -#ifndef __CORE_CM0_H_DEPENDANT -#define __CORE_CM0_H_DEPENDANT - -/* IO definitions (access restrictions to peripheral registers) */ -#ifdef __cplusplus - #define __I volatile /*!< defines 'read only' permissions */ -#else - #define __I volatile const /*!< defines 'read only' permissions */ -#endif -#define __O volatile /*!< defines 'write only' permissions */ -#define __IO volatile /*!< defines 'read / write' permissions */ - -/*@} end of group CMSIS_core_definitions */ - - - -/******************************************************************************* - * Register Abstraction - ******************************************************************************/ -/** \defgroup CMSIS_core_register CMSIS Core Register - Core Register contain: - - Core Register - - Core NVIC Register - - Core SCB Register - - Core SysTick Register -*/ - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_CORE CMSIS Core - Type definitions for the Cortex-M Core Registers - @{ - */ - -/** \brief Union type to access the Application Program Status Register (APSR). - */ -typedef union -{ - struct - { -#if (__CORTEX_M != 0x04) - uint32_t _reserved0:27; /*!< bit: 0..26 Reserved */ -#else - uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */ - uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ - uint32_t _reserved1:7; /*!< bit: 20..26 Reserved */ -#endif - uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ - uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ - uint32_t C:1; /*!< bit: 29 Carry condition code flag */ - uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ - uint32_t N:1; /*!< bit: 31 Negative condition code flag */ - } b; /*!< Structure used for bit access */ - uint32_t w; /*!< Type used for word access */ -} APSR_Type; - - -/** \brief Union type to access the Interrupt Program Status Register (IPSR). - */ -typedef union -{ - struct - { - uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ - uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ - } b; /*!< Structure used for bit access */ - uint32_t w; /*!< Type used for word access */ -} IPSR_Type; - - -/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). - */ -typedef union -{ - struct - { - uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ -#if (__CORTEX_M != 0x04) - uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ -#else - uint32_t _reserved0:7; /*!< bit: 9..15 Reserved */ - uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ - uint32_t _reserved1:4; /*!< bit: 20..23 Reserved */ -#endif - uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ - uint32_t IT:2; /*!< bit: 25..26 saved IT state (read 0) */ - uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ - uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ - uint32_t C:1; /*!< bit: 29 Carry condition code flag */ - uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ - uint32_t N:1; /*!< bit: 31 Negative condition code flag */ - } b; /*!< Structure used for bit access */ - uint32_t w; /*!< Type used for word access */ -} xPSR_Type; - - -/** \brief Union type to access the Control Registers (CONTROL). - */ -typedef union -{ - struct - { - uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ - uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ - uint32_t FPCA:1; /*!< bit: 2 FP extension active flag */ - uint32_t _reserved0:29; /*!< bit: 3..31 Reserved */ - } b; /*!< Structure used for bit access */ - uint32_t w; /*!< Type used for word access */ -} CONTROL_Type; - -/*@} end of group CMSIS_CORE */ - - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_NVIC CMSIS NVIC - Type definitions for the Cortex-M NVIC Registers - @{ - */ - -/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). - */ -typedef struct -{ - __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ - uint32_t RESERVED0[31]; - __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ - uint32_t RSERVED1[31]; - __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ - uint32_t RESERVED2[31]; - __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ - uint32_t RESERVED3[31]; - uint32_t RESERVED4[64]; - __IO uint32_t IPR[8]; /*!< Offset: 0x3EC (R/W) Interrupt Priority Register */ -} NVIC_Type; - -/*@} end of group CMSIS_NVIC */ - - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_SCB CMSIS SCB - Type definitions for the Cortex-M System Control Block Registers - @{ - */ - -/** \brief Structure type to access the System Control Block (SCB). - */ -typedef struct -{ - __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPU ID Base Register */ - __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control State Register */ - uint32_t RESERVED0; - __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt / Reset Control Register */ - __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ - __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ - uint32_t RESERVED1; - __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ -} SCB_Type; - -/* SCB CPUID Register Definitions */ -#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */ -#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ - -#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */ -#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ - -#define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */ -#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ - -#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */ -#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ - -#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */ -#define SCB_CPUID_REVISION_Msk (0xFUL << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */ - -/* SCB Interrupt Control State Register Definitions */ -#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */ -#define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ - -#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */ -#define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ - -#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */ -#define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ - -#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */ -#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ - -#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */ -#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ - -#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */ -#define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ - -#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */ -#define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ - -#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */ -#define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ - -#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */ -#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */ - -/* SCB Application Interrupt and Reset Control Register Definitions */ -#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */ -#define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ - -#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */ -#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ - -#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */ -#define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ - -#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */ -#define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ - -#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */ -#define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ - -/* SCB System Control Register Definitions */ -#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */ -#define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ - -#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */ -#define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ - -#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */ -#define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ - -/* SCB Configuration Control Register Definitions */ -#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */ -#define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ - -#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */ -#define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ - -/*@} end of group CMSIS_SCB */ - - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_SysTick CMSIS SysTick - Type definitions for the Cortex-M System Timer Registers - @{ - */ - -/** \brief Structure type to access the System Timer (SysTick). - */ -typedef struct -{ - __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ - __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ - __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ - __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ -} SysTick_Type; - -/* SysTick Control / Status Register Definitions */ -#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */ -#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ - -#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ -#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ - -#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */ -#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ - -#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */ -#define SysTick_CTRL_ENABLE_Msk (1UL << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */ - -/* SysTick Reload Register Definitions */ -#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */ -#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */ - -/* SysTick Current Register Definitions */ -#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */ -#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */ - -/* SysTick Calibration Register Definitions */ -#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */ -#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ - -#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */ -#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ - -#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */ -#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */ - -/*@} end of group CMSIS_SysTick */ - - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_CoreDebug CMSIS Core Debug - Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP - and not via processor. Therefore they are not covered by the Cortex-M0 header file. - @{ - */ - -/*@} end of group CMSIS_CoreDebug */ - - -/** \ingroup CMSIS_core_register - @{ - */ - -/* Memory mapping of Cortex-M0 Hardware */ -#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ -#define CoreDebug_BASE (0xE000EDF0UL) /*!< Core Debug Base Address */ -#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ -#define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ -#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ - -#define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */ -#define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */ -#define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */ - -/*@} */ - - - -/******************************************************************************* - * Hardware Abstraction Layer - ******************************************************************************/ -/** \defgroup CMSIS_Core_FunctionInterface CMSIS Core Function Interface - Core Function Interface contains: - - Core NVIC Functions - - Core SysTick Functions - - Core Register Access Functions -*/ - - - -/* ########################## NVIC functions #################################### */ -/** \ingroup CMSIS_Core_FunctionInterface - \defgroup CMSIS_Core_NVICFunctions CMSIS Core NVIC Functions - @{ - */ - -/* Interrupt Priorities are WORD accessible only under ARMv6M */ -/* The following MACROS handle generation of the register offset and byte masks */ -#define _BIT_SHIFT(IRQn) ( (((uint32_t)(IRQn) ) & 0x03) * 8 ) -#define _SHP_IDX(IRQn) ( ((((uint32_t)(IRQn) & 0x0F)-8) >> 2) ) -#define _IP_IDX(IRQn) ( ((uint32_t)(IRQn) >> 2) ) - - -/** \brief Enable External Interrupt - - This function enables a device specific interrupt in the NVIC interrupt controller. - The interrupt number cannot be a negative value. - - \param [in] IRQn Number of the external interrupt to enable - */ -static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) -{ - NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); -} - - -/** \brief Disable External Interrupt - - This function disables a device specific interupt in the NVIC interrupt controller. - The interrupt number cannot be a negative value. - - \param [in] IRQn Number of the external interrupt to disable - */ -static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) -{ - NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); -} - - -/** \brief Get Pending Interrupt - - This function reads the pending register in the NVIC and returns the pending bit - for the specified interrupt. - - \param [in] IRQn Number of the interrupt for get pending - \return 0 Interrupt status is not pending - \return 1 Interrupt status is pending - */ -static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) -{ - return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); -} - - -/** \brief Set Pending Interrupt - - This function sets the pending bit for the specified interrupt. - The interrupt number cannot be a negative value. - - \param [in] IRQn Number of the interrupt for set pending - */ -static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) -{ - NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); -} - - -/** \brief Clear Pending Interrupt - - This function clears the pending bit for the specified interrupt. - The interrupt number cannot be a negative value. - - \param [in] IRQn Number of the interrupt for clear pending - */ -static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) -{ - NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */ -} - - -/** \brief Set Interrupt Priority - - This function sets the priority for the specified interrupt. The interrupt - number can be positive to specify an external (device specific) - interrupt, or negative to specify an internal (core) interrupt. - - Note: The priority cannot be set for every core interrupt. - - \param [in] IRQn Number of the interrupt for set priority - \param [in] priority Priority to set - */ -static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) -{ - if(IRQn < 0) { - SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) | - (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); } - else { - NVIC->IPR[_IP_IDX(IRQn)] = (NVIC->IPR[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) | - (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); } -} - - -/** \brief Get Interrupt Priority - - This function reads the priority for the specified interrupt. The interrupt - number can be positive to specify an external (device specific) - interrupt, or negative to specify an internal (core) interrupt. - - The returned priority value is automatically aligned to the implemented - priority bits of the microcontroller. - - \param [in] IRQn Number of the interrupt for get priority - \return Interrupt Priority - */ -static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) -{ - - if(IRQn < 0) { - return((uint32_t)((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M0 system interrupts */ - else { - return((uint32_t)((NVIC->IPR[_IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */ -} - - -/** \brief System Reset - - This function initiate a system reset request to reset the MCU. - */ -static __INLINE void NVIC_SystemReset(void) -{ - __DSB(); /* Ensure all outstanding memory accesses included - buffered write are completed before reset */ - SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) | - SCB_AIRCR_SYSRESETREQ_Msk); - __DSB(); /* Ensure completion of memory access */ - while(1); /* wait until reset */ -} - -/*@} end of CMSIS_Core_NVICFunctions */ - - - -/* ################################## SysTick function ############################################ */ -/** \ingroup CMSIS_Core_FunctionInterface - \defgroup CMSIS_Core_SysTickFunctions CMSIS Core SysTick Functions - @{ - */ - -#if (__Vendor_SysTickConfig == 0) - -/** \brief System Tick Configuration - - This function initialises the system tick timer and its interrupt and start the system tick timer. - Counter is in free running mode to generate periodical interrupts. - - \param [in] ticks Number of ticks between two interrupts - \return 0 Function succeeded - \return 1 Function failed - */ -static __INLINE uint32_t SysTick_Config(uint32_t ticks) -{ - if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */ - - SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */ - NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */ - SysTick->VAL = 0; /* Load the SysTick Counter Value */ - SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | - SysTick_CTRL_TICKINT_Msk | - SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ - return (0); /* Function successful */ -} - -#endif - -/*@} end of CMSIS_Core_SysTickFunctions */ - - - - -#endif /* __CORE_CM0_H_DEPENDANT */ - -#endif /* __CMSIS_GENERIC */ - -#ifdef __cplusplus -} -#endif - -/*lint -restore */ +/**************************************************************************//** + * @file core_cm0.h + * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File + * @version V2.03 + * @date 23. May 2011 + * + * @note + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CM0_H_GENERIC +#define __CORE_CM0_H_GENERIC + + +/** \mainpage CMSIS Cortex-M0 + + This documentation describes the CMSIS Cortex-M Core Peripheral Access Layer. + It consists of: + + - Cortex-M Core Register Definitions + - Cortex-M functions + - Cortex-M instructions + + The CMSIS Cortex-M0 Core Peripheral Access Layer contains C and assembly functions that ease + access to the Cortex-M Core + */ + +/** \defgroup CMSIS_LintCinfiguration CMSIS Lint Configuration + List of Lint messages which will be suppressed and not shown: + - not yet checked + . + Note: To re-enable a Message, insert a space before 'lint' * + + */ + + +/******************************************************************************* + * CMSIS definitions + ******************************************************************************/ +/** \defgroup CMSIS_core_definitions CMSIS Core Definitions + This file defines all structures and symbols for CMSIS core: + - CMSIS version number + - Cortex-M core + - Cortex-M core Revision Number + @{ + */ + +/* CMSIS CM0 definitions */ +#define __CM0_CMSIS_VERSION_MAIN (0x02) /*!< [31:16] CMSIS HAL main version */ +#define __CM0_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */ +#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | __CM0_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */ + +#define __CORTEX_M (0x00) /*!< Cortex core */ + + +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + +#endif + +#include /*!< standard types definitions */ +#include "core_cmInstr.h" /*!< Core Instruction Access */ +#include "core_cmFunc.h" /*!< Core Function Access */ + +#endif /* __CORE_CM0_H_GENERIC */ + + +#ifndef __CMSIS_GENERIC + +#ifndef __CORE_CM0_H_DEPENDANT +#define __CORE_CM0_H_DEPENDANT + +/* IO definitions (access restrictions to peripheral registers) */ +#ifdef __cplusplus + #define __I volatile /*!< defines 'read only' permissions */ +#else + #define __I volatile const /*!< defines 'read only' permissions */ +#endif +#define __O volatile /*!< defines 'write only' permissions */ +#define __IO volatile /*!< defines 'read / write' permissions */ + +/*@} end of group CMSIS_core_definitions */ + + + +/******************************************************************************* + * Register Abstraction + ******************************************************************************/ +/** \defgroup CMSIS_core_register CMSIS Core Register + Core Register contain: + - Core Register + - Core NVIC Register + - Core SCB Register + - Core SysTick Register +*/ + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_CORE CMSIS Core + Type definitions for the Cortex-M Core Registers + @{ + */ + +/** \brief Union type to access the Application Program Status Register (APSR). + */ +typedef union +{ + struct + { +#if (__CORTEX_M != 0x04) + uint32_t _reserved0:27; /*!< bit: 0..26 Reserved */ +#else + uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */ + uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ + uint32_t _reserved1:7; /*!< bit: 20..26 Reserved */ +#endif + uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ + uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ + uint32_t C:1; /*!< bit: 29 Carry condition code flag */ + uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ + uint32_t N:1; /*!< bit: 31 Negative condition code flag */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} APSR_Type; + + +/** \brief Union type to access the Interrupt Program Status Register (IPSR). + */ +typedef union +{ + struct + { + uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ + uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} IPSR_Type; + + +/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). + */ +typedef union +{ + struct + { + uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ +#if (__CORTEX_M != 0x04) + uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ +#else + uint32_t _reserved0:7; /*!< bit: 9..15 Reserved */ + uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ + uint32_t _reserved1:4; /*!< bit: 20..23 Reserved */ +#endif + uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ + uint32_t IT:2; /*!< bit: 25..26 saved IT state (read 0) */ + uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ + uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ + uint32_t C:1; /*!< bit: 29 Carry condition code flag */ + uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ + uint32_t N:1; /*!< bit: 31 Negative condition code flag */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} xPSR_Type; + + +/** \brief Union type to access the Control Registers (CONTROL). + */ +typedef union +{ + struct + { + uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ + uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ + uint32_t FPCA:1; /*!< bit: 2 FP extension active flag */ + uint32_t _reserved0:29; /*!< bit: 3..31 Reserved */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} CONTROL_Type; + +/*@} end of group CMSIS_CORE */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_NVIC CMSIS NVIC + Type definitions for the Cortex-M NVIC Registers + @{ + */ + +/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). + */ +typedef struct +{ + __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ + uint32_t RESERVED0[31]; + __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ + uint32_t RSERVED1[31]; + __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ + uint32_t RESERVED2[31]; + __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ + uint32_t RESERVED3[31]; + uint32_t RESERVED4[64]; + __IO uint32_t IPR[8]; /*!< Offset: 0x3EC (R/W) Interrupt Priority Register */ +} NVIC_Type; + +/*@} end of group CMSIS_NVIC */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_SCB CMSIS SCB + Type definitions for the Cortex-M System Control Block Registers + @{ + */ + +/** \brief Structure type to access the System Control Block (SCB). + */ +typedef struct +{ + __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPU ID Base Register */ + __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control State Register */ + uint32_t RESERVED0; + __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt / Reset Control Register */ + __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ + __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ + uint32_t RESERVED1; + __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ +} SCB_Type; + +/* SCB CPUID Register Definitions */ +#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */ +#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ + +#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */ +#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ + +#define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */ +#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ + +#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */ +#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ + +#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */ +#define SCB_CPUID_REVISION_Msk (0xFUL << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */ + +/* SCB Interrupt Control State Register Definitions */ +#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */ +#define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ + +#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */ +#define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ + +#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */ +#define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ + +#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */ +#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ + +#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */ +#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ + +#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */ +#define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ + +#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */ +#define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ + +#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */ +#define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ + +#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */ +#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */ + +/* SCB Application Interrupt and Reset Control Register Definitions */ +#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */ +#define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ + +#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */ +#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ + +#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */ +#define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ + +#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */ +#define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ + +#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */ +#define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ + +/* SCB System Control Register Definitions */ +#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */ +#define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ + +#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */ +#define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ + +#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */ +#define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ + +/* SCB Configuration Control Register Definitions */ +#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */ +#define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ + +#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */ +#define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ + +/*@} end of group CMSIS_SCB */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_SysTick CMSIS SysTick + Type definitions for the Cortex-M System Timer Registers + @{ + */ + +/** \brief Structure type to access the System Timer (SysTick). + */ +typedef struct +{ + __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ + __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ + __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ + __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ +} SysTick_Type; + +/* SysTick Control / Status Register Definitions */ +#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */ +#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ + +#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ +#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ + +#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */ +#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ + +#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */ +#define SysTick_CTRL_ENABLE_Msk (1UL << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */ + +/* SysTick Reload Register Definitions */ +#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */ +#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */ + +/* SysTick Current Register Definitions */ +#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */ +#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */ + +/* SysTick Calibration Register Definitions */ +#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */ +#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ + +#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */ +#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ + +#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */ +#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */ + +/*@} end of group CMSIS_SysTick */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_CoreDebug CMSIS Core Debug + Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP + and not via processor. Therefore they are not covered by the Cortex-M0 header file. + @{ + */ + +/*@} end of group CMSIS_CoreDebug */ + + +/** \ingroup CMSIS_core_register + @{ + */ + +/* Memory mapping of Cortex-M0 Hardware */ +#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ +#define CoreDebug_BASE (0xE000EDF0UL) /*!< Core Debug Base Address */ +#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ +#define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ +#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ + +#define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */ +#define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */ +#define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */ + +/*@} */ + + + +/******************************************************************************* + * Hardware Abstraction Layer + ******************************************************************************/ +/** \defgroup CMSIS_Core_FunctionInterface CMSIS Core Function Interface + Core Function Interface contains: + - Core NVIC Functions + - Core SysTick Functions + - Core Register Access Functions +*/ + + + +/* ########################## NVIC functions #################################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_NVICFunctions CMSIS Core NVIC Functions + @{ + */ + +/* Interrupt Priorities are WORD accessible only under ARMv6M */ +/* The following MACROS handle generation of the register offset and byte masks */ +#define _BIT_SHIFT(IRQn) ( (((uint32_t)(IRQn) ) & 0x03) * 8 ) +#define _SHP_IDX(IRQn) ( ((((uint32_t)(IRQn) & 0x0F)-8) >> 2) ) +#define _IP_IDX(IRQn) ( ((uint32_t)(IRQn) >> 2) ) + + +/** \brief Enable External Interrupt + + This function enables a device specific interrupt in the NVIC interrupt controller. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the external interrupt to enable + */ +static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) +{ + NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); +} + + +/** \brief Disable External Interrupt + + This function disables a device specific interupt in the NVIC interrupt controller. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the external interrupt to disable + */ +static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) +{ + NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); +} + + +/** \brief Get Pending Interrupt + + This function reads the pending register in the NVIC and returns the pending bit + for the specified interrupt. + + \param [in] IRQn Number of the interrupt for get pending + \return 0 Interrupt status is not pending + \return 1 Interrupt status is pending + */ +static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) +{ + return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); +} + + +/** \brief Set Pending Interrupt + + This function sets the pending bit for the specified interrupt. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the interrupt for set pending + */ +static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) +{ + NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); +} + + +/** \brief Clear Pending Interrupt + + This function clears the pending bit for the specified interrupt. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the interrupt for clear pending + */ +static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) +{ + NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */ +} + + +/** \brief Set Interrupt Priority + + This function sets the priority for the specified interrupt. The interrupt + number can be positive to specify an external (device specific) + interrupt, or negative to specify an internal (core) interrupt. + + Note: The priority cannot be set for every core interrupt. + + \param [in] IRQn Number of the interrupt for set priority + \param [in] priority Priority to set + */ +static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) +{ + if(IRQn < 0) { + SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) | + (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); } + else { + NVIC->IPR[_IP_IDX(IRQn)] = (NVIC->IPR[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) | + (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); } +} + + +/** \brief Get Interrupt Priority + + This function reads the priority for the specified interrupt. The interrupt + number can be positive to specify an external (device specific) + interrupt, or negative to specify an internal (core) interrupt. + + The returned priority value is automatically aligned to the implemented + priority bits of the microcontroller. + + \param [in] IRQn Number of the interrupt for get priority + \return Interrupt Priority + */ +static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) +{ + + if(IRQn < 0) { + return((uint32_t)((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M0 system interrupts */ + else { + return((uint32_t)((NVIC->IPR[_IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */ +} + + +/** \brief System Reset + + This function initiate a system reset request to reset the MCU. + */ +static __INLINE void NVIC_SystemReset(void) +{ + __DSB(); /* Ensure all outstanding memory accesses included + buffered write are completed before reset */ + SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) | + SCB_AIRCR_SYSRESETREQ_Msk); + __DSB(); /* Ensure completion of memory access */ + while(1); /* wait until reset */ +} + +/*@} end of CMSIS_Core_NVICFunctions */ + + + +/* ################################## SysTick function ############################################ */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_SysTickFunctions CMSIS Core SysTick Functions + @{ + */ + +#if (__Vendor_SysTickConfig == 0) + +/** \brief System Tick Configuration + + This function initialises the system tick timer and its interrupt and start the system tick timer. + Counter is in free running mode to generate periodical interrupts. + + \param [in] ticks Number of ticks between two interrupts + \return 0 Function succeeded + \return 1 Function failed + */ +static __INLINE uint32_t SysTick_Config(uint32_t ticks) +{ + if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */ + + SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */ + NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */ + SysTick->VAL = 0; /* Load the SysTick Counter Value */ + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_TICKINT_Msk | + SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ + return (0); /* Function successful */ +} + +#endif + +/*@} end of CMSIS_Core_SysTickFunctions */ + + + + +#endif /* __CORE_CM0_H_DEPENDANT */ + +#endif /* __CMSIS_GENERIC */ + +#ifdef __cplusplus +} +#endif + +/*lint -restore */ diff --git a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmFunc.h b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmFunc.h index e3d0edb8f..263770551 100644 --- a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmFunc.h +++ b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmFunc.h @@ -1,844 +1,664 @@ -/**************************************************************************//** - * @file core_cmFunc.h - * @brief CMSIS Cortex-M Core Function Access Header File - * @version V2.01 - * @date 06. December 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - -#ifndef __CORE_CMFUNC_H__ -#define __CORE_CMFUNC_H__ - -/* ########################### Core Function Access ########################### */ -/** \ingroup CMSIS_Core_FunctionInterface - \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions - @{ - */ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ -/* ARM armcc specific functions */ - -/* intrinsic void __enable_irq(); */ -/* intrinsic void __disable_irq(); */ - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_CONTROL(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_CONTROL(void) -{ - register uint32_t __regControl __ASM("control"); - return(__regControl); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_CONTROL(uint32_t control); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_CONTROL(uint32_t control) -{ - register uint32_t __regControl __ASM("control"); - __regControl = control; -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get ISPR Register - - This function returns the content of the ISPR Register. - - \return ISPR Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_IPSR(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_IPSR(void) -{ - register uint32_t __regIPSR __ASM("ipsr"); - return(__regIPSR); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_APSR(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_APSR(void) -{ - register uint32_t __regAPSR __ASM("apsr"); - return(__regAPSR); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_xPSR(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_xPSR(void) -{ - register uint32_t __regXPSR __ASM("xpsr"); - return(__regXPSR); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_PSP(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_PSP(void) -{ - register uint32_t __regProcessStackPointer __ASM("psp"); - return(__regProcessStackPointer); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_PSP(uint32_t topOfProcStack); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_PSP(uint32_t topOfProcStack) -{ - register uint32_t __regProcessStackPointer __ASM("psp"); - __regProcessStackPointer = topOfProcStack; -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_MSP(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_MSP(void) -{ - register uint32_t __regMainStackPointer __ASM("msp"); - return(__regMainStackPointer); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_MSP(uint32_t topOfMainStack); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_MSP(uint32_t topOfMainStack) -{ - register uint32_t __regMainStackPointer __ASM("msp"); - __regMainStackPointer = topOfMainStack; -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_PRIMASK(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_PRIMASK(void) -{ - register uint32_t __regPriMask __ASM("primask"); - return(__regPriMask); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_PRIMASK(uint32_t priMask); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_PRIMASK(uint32_t priMask) -{ - register uint32_t __regPriMask __ASM("primask"); - __regPriMask = (priMask); -} -#endif /* __ARMCC_VERSION */ - - -#if (__CORTEX_M >= 0x03) - -/** \brief Enable FIQ - - This function enables FIQ interrupts by clearing the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __enable_fault_irq __enable_fiq - - -/** \brief Disable FIQ - - This function disables FIQ interrupts by setting the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __disable_fault_irq __disable_fiq - - -/** \brief Get Base Priority - - This function returns the current value of the Base Priority register. - - \return Base Priority register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_BASEPRI(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_BASEPRI(void) -{ - register uint32_t __regBasePri __ASM("basepri"); - return(__regBasePri); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Base Priority - - This function assigns the given value to the Base Priority register. - - \param [in] basePri Base Priority value to set - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_BASEPRI(uint32_t basePri); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_BASEPRI(uint32_t basePri) -{ - register uint32_t __regBasePri __ASM("basepri"); - __regBasePri = (basePri & 0xff); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Fault Mask - - This function returns the current value of the Fault Mask register. - - \return Fault Mask register value - */ -#if (__ARMCC_VERSION < 400000) -extern uint32_t __get_FAULTMASK(void); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE uint32_t __get_FAULTMASK(void) -{ - register uint32_t __regFaultMask __ASM("faultmask"); - return(__regFaultMask); -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Fault Mask - - This function assigns the given value to the Fault Mask register. - - \param [in] faultMask Fault Mask value to set - */ -#if (__ARMCC_VERSION < 400000) -extern void __set_FAULTMASK(uint32_t faultMask); -#else /* (__ARMCC_VERSION >= 400000) */ -static __INLINE void __set_FAULTMASK(uint32_t faultMask) -{ - register uint32_t __regFaultMask __ASM("faultmask"); - __regFaultMask = (faultMask & 1); -} -#endif /* __ARMCC_VERSION */ - -#endif /* (__CORTEX_M >= 0x03) */ - - -#if (__CORTEX_M == 0x04) - -/** \brief Get FPSCR - - This function returns the current value of the Floating Point Status/Control register. - - \return Floating Point Status/Control register value - */ -static __INLINE uint32_t __get_FPSCR(void) -{ -#if (__FPU_PRESENT == 1) - register uint32_t __regfpscr __ASM("fpscr"); - return(__regfpscr); -#else - return(0); -#endif -} - - -/** \brief Set FPSCR - - This function assigns the given value to the Floating Point Status/Control register. - - \param [in] fpscr Floating Point Status/Control value to set - */ -static __INLINE void __set_FPSCR(uint32_t fpscr) -{ -#if (__FPU_PRESENT == 1) - register uint32_t __regfpscr __ASM("fpscr"); - __regfpscr = (fpscr); -#endif -} - -#endif /* (__CORTEX_M == 0x04) */ - - - #elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* IAR iccarm specific functions */ - -#if defined (__ICCARM__) - #include /* IAR Intrinsics */ -#endif - -#pragma diag_suppress=Pe940 - -/** \brief Enable IRQ Interrupts - - This function enables IRQ interrupts by clearing the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __enable_irq __enable_interrupt - - -/** \brief Disable IRQ Interrupts - - This function disables IRQ interrupts by setting the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -#define __disable_irq __disable_interrupt - - -/* intrinsic unsigned long __get_CONTROL( void ); (see intrinsic.h) */ -/* intrinsic void __set_CONTROL( unsigned long ); (see intrinsic.h) */ - - -/** \brief Get ISPR Register - - This function returns the content of the ISPR Register. - - \return ISPR Register value - */ -static uint32_t __get_IPSR(void) -{ - __ASM("mrs r0, ipsr"); -} - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -static uint32_t __get_APSR(void) -{ - __ASM("mrs r0, apsr"); -} - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -static uint32_t __get_xPSR(void) -{ - __ASM("mrs r0, psr"); // assembler does not know "xpsr" -} - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -static uint32_t __get_PSP(void) -{ - __ASM("mrs r0, psp"); -} - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -static void __set_PSP(uint32_t topOfProcStack) -{ - __ASM("msr psp, r0"); -} - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -static uint32_t __get_MSP(void) -{ - __ASM("mrs r0, msp"); -} - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -static void __set_MSP(uint32_t topOfMainStack) -{ - __ASM("msr msp, r0"); -} - - -/* intrinsic unsigned long __get_PRIMASK( void ); (see intrinsic.h) */ -/* intrinsic void __set_PRIMASK( unsigned long ); (see intrinsic.h) */ - - -#if (__CORTEX_M >= 0x03) - -/** \brief Enable FIQ - - This function enables FIQ interrupts by clearing the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -static __INLINE void __enable_fault_irq(void) -{ - __ASM ("cpsie f"); -} - - -/** \brief Disable FIQ - - This function disables FIQ interrupts by setting the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -static __INLINE void __disable_fault_irq(void) -{ - __ASM ("cpsid f"); -} - - -/* intrinsic unsigned long __get_BASEPRI( void ); (see intrinsic.h) */ -/* intrinsic void __set_BASEPRI( unsigned long ); (see intrinsic.h) */ -/* intrinsic unsigned long __get_FAULTMASK( void ); (see intrinsic.h) */ -/* intrinsic void __set_FAULTMASK(unsigned long); (see intrinsic.h) */ - -#endif /* (__CORTEX_M >= 0x03) */ - - -#if (__CORTEX_M == 0x04) - -/** \brief Get FPSCR - - This function returns the current value of the Floating Point Status/Control register. - - \return Floating Point Status/Control register value - */ -static uint32_t __get_FPSCR(void) -{ -#if (__FPU_PRESENT == 1) - __ASM("vmrs r0, fpscr"); -#else - return(0); -#endif -} - - -/** \brief Set FPSCR - - This function assigns the given value to the Floating Point Status/Control register. - - \param [in] fpscr Floating Point Status/Control value to set - */ -static void __set_FPSCR(uint32_t fpscr) -{ -#if (__FPU_PRESENT == 1) - __ASM("vmsr fpscr, r0"); -#endif -} - -#endif /* (__CORTEX_M == 0x04) */ - -#pragma diag_default=Pe940 - - -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* GNU gcc specific functions */ - -/** \brief Enable IRQ Interrupts - - This function enables IRQ interrupts by clearing the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void) -{ - __ASM volatile ("cpsie i"); -} - - -/** \brief Disable IRQ Interrupts - - This function disables IRQ interrupts by setting the I-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void) -{ - __ASM volatile ("cpsid i"); -} - - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, control" : "=r" (result) ); - return(result); -} - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control) -{ - __ASM volatile ("MSR control, %0" : : "r" (control) ); -} - - -/** \brief Get ISPR Register - - This function returns the content of the ISPR Register. - - \return ISPR Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, apsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); - return(result); -} - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void) -{ - register uint32_t result; - - __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); - return(result); -} - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack) -{ - __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) ); -} - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void) -{ - register uint32_t result; - - __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); - return(result); -} - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack) -{ - __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) ); -} - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, primask" : "=r" (result) ); - return(result); -} - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask) -{ - __ASM volatile ("MSR primask, %0" : : "r" (priMask) ); -} - - -#if (__CORTEX_M >= 0x03) - -/** \brief Enable FIQ - - This function enables FIQ interrupts by clearing the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void) -{ - __ASM volatile ("cpsie f"); -} - - -/** \brief Disable FIQ - - This function disables FIQ interrupts by setting the F-bit in the CPSR. - Can only be executed in Privileged modes. - */ -__attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void) -{ - __ASM volatile ("cpsid f"); -} - - -/** \brief Get Base Priority - - This function returns the current value of the Base Priority register. - - \return Base Priority register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, basepri_max" : "=r" (result) ); - return(result); -} - - -/** \brief Set Base Priority - - This function assigns the given value to the Base Priority register. - - \param [in] basePri Base Priority value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value) -{ - __ASM volatile ("MSR basepri, %0" : : "r" (value) ); -} - - -/** \brief Get Fault Mask - - This function returns the current value of the Fault Mask register. - - \return Fault Mask register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void) -{ - uint32_t result; - - __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); - return(result); -} - - -/** \brief Set Fault Mask - - This function assigns the given value to the Fault Mask register. - - \param [in] faultMask Fault Mask value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask) -{ - __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) ); -} - -#endif /* (__CORTEX_M >= 0x03) */ - - -#if (__CORTEX_M == 0x04) - -/** \brief Get FPSCR - - This function returns the current value of the Floating Point Status/Control register. - - \return Floating Point Status/Control register value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void) -{ -#if (__FPU_PRESENT == 1) - uint32_t result; - - __ASM volatile ("MRS %0, fpscr" : "=r" (result) ); - return(result); -#else - return(0); -#endif -} - - -/** \brief Set FPSCR - - This function assigns the given value to the Floating Point Status/Control register. - - \param [in] fpscr Floating Point Status/Control value to set - */ -__attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr) -{ -#if (__FPU_PRESENT == 1) - __ASM volatile ("MSR fpscr, %0" : : "r" (fpscr) ); -#endif -} - -#endif /* (__CORTEX_M == 0x04) */ - - -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* TASKING carm specific functions */ - -/* - * The CMSIS functions have been implemented as intrinsics in the compiler. - * Please use "carm -?i" to get an up to date list of all instrinsics, - * Including the CMSIS ones. - */ - -#endif - -/*@} end of CMSIS_Core_RegAccFunctions */ - - -#endif /* __CORE_CMFUNC_H__ */ +/**************************************************************************//** + * @file core_cmFunc.h + * @brief CMSIS Cortex-M Core Function Access Header File + * @version V2.01 + * @date 06. December 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + +#ifndef __CORE_CMFUNC_H__ +#define __CORE_CMFUNC_H__ + +/* ########################### Core Function Access ########################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions + @{ + */ + +#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ +/* ARM armcc specific functions */ + +/* intrinsic void __enable_irq(); */ +/* intrinsic void __disable_irq(); */ + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_CONTROL(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_CONTROL(void) +{ + register uint32_t __regControl __ASM("control"); + return(__regControl); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_CONTROL(uint32_t control); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_CONTROL(uint32_t control) +{ + register uint32_t __regControl __ASM("control"); + __regControl = control; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_IPSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_IPSR(void) +{ + register uint32_t __regIPSR __ASM("ipsr"); + return(__regIPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_APSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_APSR(void) +{ + register uint32_t __regAPSR __ASM("apsr"); + return(__regAPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_xPSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_xPSR(void) +{ + register uint32_t __regXPSR __ASM("xpsr"); + return(__regXPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_PSP(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_PSP(void) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + return(__regProcessStackPointer); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_PSP(uint32_t topOfProcStack); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_PSP(uint32_t topOfProcStack) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + __regProcessStackPointer = topOfProcStack; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_MSP(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_MSP(void) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + return(__regMainStackPointer); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_MSP(uint32_t topOfMainStack); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_MSP(uint32_t topOfMainStack) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + __regMainStackPointer = topOfMainStack; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_PRIMASK(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_PRIMASK(void) +{ + register uint32_t __regPriMask __ASM("primask"); + return(__regPriMask); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_PRIMASK(uint32_t priMask); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_PRIMASK(uint32_t priMask) +{ + register uint32_t __regPriMask __ASM("primask"); + __regPriMask = (priMask); +} +#endif /* __ARMCC_VERSION */ + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __enable_fault_irq __enable_fiq + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __disable_fault_irq __disable_fiq + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_BASEPRI(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_BASEPRI(void) +{ + register uint32_t __regBasePri __ASM("basepri"); + return(__regBasePri); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_BASEPRI(uint32_t basePri); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_BASEPRI(uint32_t basePri) +{ + register uint32_t __regBasePri __ASM("basepri"); + __regBasePri = (basePri & 0xff); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_FAULTMASK(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_FAULTMASK(void) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + return(__regFaultMask); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_FAULTMASK(uint32_t faultMask); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + __regFaultMask = (faultMask & 1); +} +#endif /* __ARMCC_VERSION */ + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +static __INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) + register uint32_t __regfpscr __ASM("fpscr"); + return(__regfpscr); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +static __INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) + register uint32_t __regfpscr __ASM("fpscr"); + __regfpscr = (fpscr); +#endif +} + +#endif /* (__CORTEX_M == 0x04) */ + + + #elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +/* IAR iccarm specific functions */ + +#include + +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/** \brief Enable IRQ Interrupts + + This function enables IRQ interrupts by clearing the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void) +{ + __ASM volatile ("cpsie i"); +} + + +/** \brief Disable IRQ Interrupts + + This function disables IRQ interrupts by setting the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void) +{ + __ASM volatile ("cpsid i"); +} + + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, control" : "=r" (result) ); + return(result); +} + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control) +{ + __ASM volatile ("MSR control, %0" : : "r" (control) ); +} + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, apsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack) +{ + __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) ); +} + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack) +{ + __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) ); +} + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, primask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask) +{ + __ASM volatile ("MSR primask, %0" : : "r" (priMask) ); +} + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void) +{ + __ASM volatile ("cpsie f"); +} + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void) +{ + __ASM volatile ("cpsid f"); +} + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, basepri_max" : "=r" (result) ); + return(result); +} + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value) +{ + __ASM volatile ("MSR basepri, %0" : : "r" (value) ); +} + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) ); +} + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) + uint32_t result; + + __ASM volatile ("MRS %0, fpscr" : "=r" (result) ); + return(result); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) + __ASM volatile ("MSR fpscr, %0" : : "r" (fpscr) ); +#endif +} + +#endif /* (__CORTEX_M == 0x04) */ + + +#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ +/* TASKING carm specific functions */ + +/* + * The CMSIS functions have been implemented as intrinsics in the compiler. + * Please use "carm -?i" to get an up to date list of all instrinsics, + * Including the CMSIS ones. + */ + +#endif + +/*@} end of CMSIS_Core_RegAccFunctions */ + + +#endif /* __CORE_CMFUNC_H__ */ diff --git a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmInstr.h b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmInstr.h index fb3c0927f..4bd4a398b 100644 --- a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmInstr.h +++ b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/core_cmInstr.h @@ -1,775 +1,592 @@ -/**************************************************************************//** - * @file core_cmInstr.h - * @brief CMSIS Cortex-M Core Instruction Access Header File - * @version V2.01 - * @date 06. December 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - -#ifndef __CORE_CMINSTR_H__ -#define __CORE_CMINSTR_H__ - - -/* ########################## Core Instruction Access ######################### */ -/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface - Access to dedicated instructions - @{ -*/ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ -/* ARM armcc specific functions */ - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -#define __NOP __nop - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -#define __WFI __wfi - - -/** \brief Wait For Event - - Wait For Event is a hint instruction that permits the processor to enter - a low-power state until one of a number of events occurs. - */ -#define __WFE __wfe - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -#define __SEV __sev - - -/** \brief Instruction Synchronization Barrier - - Instruction Synchronization Barrier flushes the pipeline in the processor, - so that all instructions following the ISB are fetched from cache or - memory, after the instruction has been completed. - */ -#define __ISB() __isb(0xF) - - -/** \brief Data Synchronization Barrier - - This function acts as a special kind of Data Memory Barrier. - It completes when all explicit memory accesses before this instruction complete. - */ -#define __DSB() __dsb(0xF) - - -/** \brief Data Memory Barrier - - This function ensures the apparent order of the explicit memory operations before - and after the instruction, without ensuring their completion. - */ -#define __DMB() __dmb(0xF) - - -/** \brief Reverse byte order (32 bit) - - This function reverses the byte order in integer value. - - \param [in] value Value to reverse - \return Reversed value - */ -#define __REV __rev - - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -extern uint32_t __REV16(uint32_t value); -#else /* (__ARMCC_VERSION >= 400677) */ -static __INLINE __ASM uint32_t __REV16(uint32_t value) -{ - rev16 r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -extern int32_t __REVSH(int32_t value); -#else /* (__ARMCC_VERSION >= 400677) */ -static __INLINE __ASM int32_t __REVSH(int32_t value) -{ - revsh r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -#if (__CORTEX_M >= 0x03) - -/** \brief Reverse bit order of value - - This function reverses the bit order of the given value. - - \param [in] value Value to reverse - \return Reversed value - */ -#define __RBIT __rbit - - -/** \brief LDR Exclusive (8 bit) - - This function performs a exclusive LDR command for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) - - -/** \brief LDR Exclusive (16 bit) - - This function performs a exclusive LDR command for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) - - -/** \brief LDR Exclusive (32 bit) - - This function performs a exclusive LDR command for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) - - -/** \brief STR Exclusive (8 bit) - - This function performs a exclusive STR command for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXB(value, ptr) __strex(value, ptr) - - -/** \brief STR Exclusive (16 bit) - - This function performs a exclusive STR command for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXH(value, ptr) __strex(value, ptr) - - -/** \brief STR Exclusive (32 bit) - - This function performs a exclusive STR command for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXW(value, ptr) __strex(value, ptr) - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -#if (__ARMCC_VERSION < 400000) -extern void __CLREX(void); -#else /* (__ARMCC_VERSION >= 400000) */ -#define __CLREX __clrex -#endif /* __ARMCC_VERSION */ - - -/** \brief Signed Saturate - - This function saturates a signed value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (1..32) - \return Saturated value - */ -#define __SSAT __ssat - - -/** \brief Unsigned Saturate - - This function saturates an unsigned value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (0..31) - \return Saturated value - */ -#define __USAT __usat - - -/** \brief Count leading zeros - - This function counts the number of leading zeros of a data value. - - \param [in] value Value to count the leading zeros - \return number of leading zeros in value - */ -#define __CLZ __clz - -#endif /* (__CORTEX_M >= 0x03) */ - - - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* IAR iccarm specific functions */ - -#include /* IAR Intrinsics */ - -#pragma diag_suppress=Pe940 - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -#define __NOP __no_operation - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -static __INLINE void __WFI(void) -{ - __ASM ("wfi"); -} - - -/** \brief Wait For Event - - Wait For Event is a hint instruction that permits the processor to enter - a low-power state until one of a number of events occurs. - */ -static __INLINE void __WFE(void) -{ - __ASM ("wfe"); -} - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -static __INLINE void __SEV(void) -{ - __ASM ("sev"); -} - - -/* intrinsic void __ISB(void) (see intrinsics.h) */ -/* intrinsic void __DSB(void) (see intrinsics.h) */ -/* intrinsic void __DMB(void) (see intrinsics.h) */ -/* intrinsic uint32_t __REV(uint32_t value) (see intrinsics.h) */ -/* intrinsic __SSAT (see intrinsics.h) */ -/* intrinsic __USAT (see intrinsics.h) */ - - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -static uint32_t __REV16(uint32_t value) -{ - __ASM("rev16 r0, r0"); -} - - -/* intrinsic uint32_t __REVSH(uint32_t value) (see intrinsics.h */ - - -#if (__CORTEX_M >= 0x03) - -/** \brief Reverse bit order of value - - This function reverses the bit order of the given value. - - \param [in] value Value to reverse - \return Reversed value - */ -static uint32_t __RBIT(uint32_t value) -{ - __ASM("rbit r0, r0"); -} - - -/** \brief LDR Exclusive (8 bit) - - This function performs a exclusive LDR command for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -static uint8_t __LDREXB(volatile uint8_t *addr) -{ - __ASM("ldrexb r0, [r0]"); -} - - -/** \brief LDR Exclusive (16 bit) - - This function performs a exclusive LDR command for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -static uint16_t __LDREXH(volatile uint16_t *addr) -{ - __ASM("ldrexh r0, [r0]"); -} - - -/** \brief LDR Exclusive (32 bit) - - This function performs a exclusive LDR command for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -/* intrinsic unsigned long __LDREX(unsigned long *) (see intrinsics.h) */ -static uint32_t __LDREXW(volatile uint32_t *addr) -{ - __ASM("ldrex r0, [r0]"); -} - - -/** \brief STR Exclusive (8 bit) - - This function performs a exclusive STR command for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -static uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) -{ - __ASM("strexb r0, r0, [r1]"); -} - - -/** \brief STR Exclusive (16 bit) - - This function performs a exclusive STR command for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -static uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) -{ - __ASM("strexh r0, r0, [r1]"); -} - - -/** \brief STR Exclusive (32 bit) - - This function performs a exclusive STR command for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -/* intrinsic unsigned long __STREX(unsigned long, unsigned long) (see intrinsics.h )*/ -static uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) -{ - __ASM("strex r0, r0, [r1]"); -} - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -static __INLINE void __CLREX(void) -{ - __ASM ("clrex"); -} - -/* intrinsic unsigned char __CLZ( unsigned long ) (see intrinsics.h) */ - -#endif /* (__CORTEX_M >= 0x03) */ - -#pragma diag_default=Pe940 - - - -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* GNU gcc specific functions */ - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -__attribute__( ( always_inline ) ) static __INLINE void __NOP(void) -{ - __ASM volatile ("nop"); -} - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -__attribute__( ( always_inline ) ) static __INLINE void __WFI(void) -{ - __ASM volatile ("wfi"); -} - - -/** \brief Wait For Event - - Wait For Event is a hint instruction that permits the processor to enter - a low-power state until one of a number of events occurs. - */ -__attribute__( ( always_inline ) ) static __INLINE void __WFE(void) -{ - __ASM volatile ("wfe"); -} - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -__attribute__( ( always_inline ) ) static __INLINE void __SEV(void) -{ - __ASM volatile ("sev"); -} - - -/** \brief Instruction Synchronization Barrier - - Instruction Synchronization Barrier flushes the pipeline in the processor, - so that all instructions following the ISB are fetched from cache or - memory, after the instruction has been completed. - */ -__attribute__( ( always_inline ) ) static __INLINE void __ISB(void) -{ - __ASM volatile ("isb"); -} - - -/** \brief Data Synchronization Barrier - - This function acts as a special kind of Data Memory Barrier. - It completes when all explicit memory accesses before this instruction complete. - */ -__attribute__( ( always_inline ) ) static __INLINE void __DSB(void) -{ - __ASM volatile ("dsb"); -} - - -/** \brief Data Memory Barrier - - This function ensures the apparent order of the explicit memory operations before - and after the instruction, without ensuring their completion. - */ -__attribute__( ( always_inline ) ) static __INLINE void __DMB(void) -{ - __ASM volatile ("dmb"); -} - - -/** \brief Reverse byte order (32 bit) - - This function reverses the byte order in integer value. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __REV(uint32_t value) -{ - uint32_t result; - - __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) ); - return(result); -} - - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __REV16(uint32_t value) -{ - uint32_t result; - - __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) ); - return(result); -} - - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__( ( always_inline ) ) static __INLINE int32_t __REVSH(int32_t value) -{ - uint32_t result; - - __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) ); - return(result); -} - - -#if (__CORTEX_M >= 0x03) - -/** \brief Reverse bit order of value - - This function reverses the bit order of the given value. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __RBIT(uint32_t value) -{ - uint32_t result; - - __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); - return(result); -} - - -/** \brief LDR Exclusive (8 bit) - - This function performs a exclusive LDR command for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -__attribute__( ( always_inline ) ) static __INLINE uint8_t __LDREXB(volatile uint8_t *addr) -{ - uint8_t result; - - __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - - -/** \brief LDR Exclusive (16 bit) - - This function performs a exclusive LDR command for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -__attribute__( ( always_inline ) ) static __INLINE uint16_t __LDREXH(volatile uint16_t *addr) -{ - uint16_t result; - - __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - - -/** \brief LDR Exclusive (32 bit) - - This function performs a exclusive LDR command for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __LDREXW(volatile uint32_t *addr) -{ - uint32_t result; - - __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - - -/** \brief STR Exclusive (8 bit) - - This function performs a exclusive STR command for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) -{ - uint32_t result; - - __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); - return(result); -} - - -/** \brief STR Exclusive (16 bit) - - This function performs a exclusive STR command for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) -{ - uint32_t result; - - __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); - return(result); -} - - -/** \brief STR Exclusive (32 bit) - - This function performs a exclusive STR command for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) -{ - uint32_t result; - - __ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); - return(result); -} - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -__attribute__( ( always_inline ) ) static __INLINE void __CLREX(void) -{ - __ASM volatile ("clrex"); -} - - -/** \brief Signed Saturate - - This function saturates a signed value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (1..32) - \return Saturated value - */ -#define __SSAT(ARG1,ARG2) \ -({ \ - uint32_t __RES, __ARG1 = (ARG1); \ - __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ - __RES; \ - }) - - -/** \brief Unsigned Saturate - - This function saturates an unsigned value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (0..31) - \return Saturated value - */ -#define __USAT(ARG1,ARG2) \ -({ \ - uint32_t __RES, __ARG1 = (ARG1); \ - __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ - __RES; \ - }) - - -/** \brief Count leading zeros - - This function counts the number of leading zeros of a data value. - - \param [in] value Value to count the leading zeros - \return number of leading zeros in value - */ -__attribute__( ( always_inline ) ) static __INLINE uint8_t __CLZ(uint32_t value) -{ - uint8_t result; - - __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) ); - return(result); -} - -#endif /* (__CORTEX_M >= 0x03) */ - - - - -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* TASKING carm specific functions */ - -/* - * The CMSIS functions have been implemented as intrinsics in the compiler. - * Please use "carm -?i" to get an up to date list of all instrinsics, - * Including the CMSIS ones. - */ - -#endif - -/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ - -#endif /* __CORE_CMINSTR_H__ */ +/**************************************************************************//** + * @file core_cmInstr.h + * @brief CMSIS Cortex-M Core Instruction Access Header File + * @version V2.01 + * @date 06. December 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + +#ifndef __CORE_CMINSTR_H__ +#define __CORE_CMINSTR_H__ + + +/* ########################## Core Instruction Access ######################### */ +/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface + Access to dedicated instructions + @{ +*/ + +#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ +/* ARM armcc specific functions */ + +/** \brief No Operation + + No Operation does nothing. This instruction can be used for code alignment purposes. + */ +#define __NOP __nop + + +/** \brief Wait For Interrupt + + Wait For Interrupt is a hint instruction that suspends execution + until one of a number of events occurs. + */ +#define __WFI __wfi + + +/** \brief Wait For Event + + Wait For Event is a hint instruction that permits the processor to enter + a low-power state until one of a number of events occurs. + */ +#define __WFE __wfe + + +/** \brief Send Event + + Send Event is a hint instruction. It causes an event to be signaled to the CPU. + */ +#define __SEV __sev + + +/** \brief Instruction Synchronization Barrier + + Instruction Synchronization Barrier flushes the pipeline in the processor, + so that all instructions following the ISB are fetched from cache or + memory, after the instruction has been completed. + */ +#define __ISB() __isb(0xF) + + +/** \brief Data Synchronization Barrier + + This function acts as a special kind of Data Memory Barrier. + It completes when all explicit memory accesses before this instruction complete. + */ +#define __DSB() __dsb(0xF) + + +/** \brief Data Memory Barrier + + This function ensures the apparent order of the explicit memory operations before + and after the instruction, without ensuring their completion. + */ +#define __DMB() __dmb(0xF) + + +/** \brief Reverse byte order (32 bit) + + This function reverses the byte order in integer value. + + \param [in] value Value to reverse + \return Reversed value + */ +#define __REV __rev + + +/** \brief Reverse byte order (16 bit) + + This function reverses the byte order in two unsigned short values. + + \param [in] value Value to reverse + \return Reversed value + */ +#if (__ARMCC_VERSION < 400677) +extern uint32_t __REV16(uint32_t value); +#else /* (__ARMCC_VERSION >= 400677) */ +static __INLINE __ASM uint32_t __REV16(uint32_t value) +{ + rev16 r0, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Reverse byte order in signed short value + + This function reverses the byte order in a signed short value with sign extension to integer. + + \param [in] value Value to reverse + \return Reversed value + */ +#if (__ARMCC_VERSION < 400677) +extern int32_t __REVSH(int32_t value); +#else /* (__ARMCC_VERSION >= 400677) */ +static __INLINE __ASM int32_t __REVSH(int32_t value) +{ + revsh r0, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +#if (__CORTEX_M >= 0x03) + +/** \brief Reverse bit order of value + + This function reverses the bit order of the given value. + + \param [in] value Value to reverse + \return Reversed value + */ +#define __RBIT __rbit + + +/** \brief LDR Exclusive (8 bit) + + This function performs a exclusive LDR command for 8 bit value. + + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) + + +/** \brief LDR Exclusive (16 bit) + + This function performs a exclusive LDR command for 16 bit values. + + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) + + +/** \brief LDR Exclusive (32 bit) + + This function performs a exclusive LDR command for 32 bit values. + + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) + + +/** \brief STR Exclusive (8 bit) + + This function performs a exclusive STR command for 8 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +#define __STREXB(value, ptr) __strex(value, ptr) + + +/** \brief STR Exclusive (16 bit) + + This function performs a exclusive STR command for 16 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +#define __STREXH(value, ptr) __strex(value, ptr) + + +/** \brief STR Exclusive (32 bit) + + This function performs a exclusive STR command for 32 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +#define __STREXW(value, ptr) __strex(value, ptr) + + +/** \brief Remove the exclusive lock + + This function removes the exclusive lock which is created by LDREX. + + */ +#if (__ARMCC_VERSION < 400000) +extern void __CLREX(void); +#else /* (__ARMCC_VERSION >= 400000) */ +#define __CLREX __clrex +#endif /* __ARMCC_VERSION */ + + +/** \brief Signed Saturate + + This function saturates a signed value. + + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +#define __SSAT __ssat + + +/** \brief Unsigned Saturate + + This function saturates an unsigned value. + + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +#define __USAT __usat + + +/** \brief Count leading zeros + + This function counts the number of leading zeros of a data value. + + \param [in] value Value to count the leading zeros + \return number of leading zeros in value + */ +#define __CLZ __clz + +#endif /* (__CORTEX_M >= 0x03) */ + + + +#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +/* IAR iccarm specific functions */ + +#include + + +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/** \brief No Operation + + No Operation does nothing. This instruction can be used for code alignment purposes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __NOP(void) +{ + __ASM volatile ("nop"); +} + + +/** \brief Wait For Interrupt + + Wait For Interrupt is a hint instruction that suspends execution + until one of a number of events occurs. + */ +__attribute__( ( always_inline ) ) static __INLINE void __WFI(void) +{ + __ASM volatile ("wfi"); +} + + +/** \brief Wait For Event + + Wait For Event is a hint instruction that permits the processor to enter + a low-power state until one of a number of events occurs. + */ +__attribute__( ( always_inline ) ) static __INLINE void __WFE(void) +{ + __ASM volatile ("wfe"); +} + + +/** \brief Send Event + + Send Event is a hint instruction. It causes an event to be signaled to the CPU. + */ +__attribute__( ( always_inline ) ) static __INLINE void __SEV(void) +{ + __ASM volatile ("sev"); +} + + +/** \brief Instruction Synchronization Barrier + + Instruction Synchronization Barrier flushes the pipeline in the processor, + so that all instructions following the ISB are fetched from cache or + memory, after the instruction has been completed. + */ +__attribute__( ( always_inline ) ) static __INLINE void __ISB(void) +{ + __ASM volatile ("isb"); +} + + +/** \brief Data Synchronization Barrier + + This function acts as a special kind of Data Memory Barrier. + It completes when all explicit memory accesses before this instruction complete. + */ +__attribute__( ( always_inline ) ) static __INLINE void __DSB(void) +{ + __ASM volatile ("dsb"); +} + + +/** \brief Data Memory Barrier + + This function ensures the apparent order of the explicit memory operations before + and after the instruction, without ensuring their completion. + */ +__attribute__( ( always_inline ) ) static __INLINE void __DMB(void) +{ + __ASM volatile ("dmb"); +} + + +/** \brief Reverse byte order (32 bit) + + This function reverses the byte order in integer value. + + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __REV(uint32_t value) +{ + uint32_t result; + + __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) ); + return(result); +} + + +/** \brief Reverse byte order (16 bit) + + This function reverses the byte order in two unsigned short values. + + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __REV16(uint32_t value) +{ + uint32_t result; + + __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) ); + return(result); +} + + +/** \brief Reverse byte order in signed short value + + This function reverses the byte order in a signed short value with sign extension to integer. + + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__( ( always_inline ) ) static __INLINE int32_t __REVSH(int32_t value) +{ + uint32_t result; + + __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) ); + return(result); +} + + +#if (__CORTEX_M >= 0x03) + +/** \brief Reverse bit order of value + + This function reverses the bit order of the given value. + + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __RBIT(uint32_t value) +{ + uint32_t result; + + __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); + return(result); +} + + +/** \brief LDR Exclusive (8 bit) + + This function performs a exclusive LDR command for 8 bit value. + + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +__attribute__( ( always_inline ) ) static __INLINE uint8_t __LDREXB(volatile uint8_t *addr) +{ + uint8_t result; + + __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + + +/** \brief LDR Exclusive (16 bit) + + This function performs a exclusive LDR command for 16 bit values. + + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +__attribute__( ( always_inline ) ) static __INLINE uint16_t __LDREXH(volatile uint16_t *addr) +{ + uint16_t result; + + __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + + +/** \brief LDR Exclusive (32 bit) + + This function performs a exclusive LDR command for 32 bit values. + + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __LDREXW(volatile uint32_t *addr) +{ + uint32_t result; + + __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + + +/** \brief STR Exclusive (8 bit) + + This function performs a exclusive STR command for 8 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) +{ + uint32_t result; + + __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + return(result); +} + + +/** \brief STR Exclusive (16 bit) + + This function performs a exclusive STR command for 16 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) +{ + uint32_t result; + + __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + return(result); +} + + +/** \brief STR Exclusive (32 bit) + + This function performs a exclusive STR command for 32 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) +{ + uint32_t result; + + __ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + return(result); +} + + +/** \brief Remove the exclusive lock + + This function removes the exclusive lock which is created by LDREX. + + */ +__attribute__( ( always_inline ) ) static __INLINE void __CLREX(void) +{ + __ASM volatile ("clrex"); +} + + +/** \brief Signed Saturate + + This function saturates a signed value. + + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +#define __SSAT(ARG1,ARG2) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1); \ + __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + + +/** \brief Unsigned Saturate + + This function saturates an unsigned value. + + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +#define __USAT(ARG1,ARG2) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1); \ + __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + + +/** \brief Count leading zeros + + This function counts the number of leading zeros of a data value. + + \param [in] value Value to count the leading zeros + \return number of leading zeros in value + */ +__attribute__( ( always_inline ) ) static __INLINE uint8_t __CLZ(uint32_t value) +{ + uint8_t result; + + __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) ); + return(result); +} + +#endif /* (__CORTEX_M >= 0x03) */ + + + + +#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ +/* TASKING carm specific functions */ + +/* + * The CMSIS functions have been implemented as intrinsics in the compiler. + * Please use "carm -?i" to get an up to date list of all instrinsics, + * Including the CMSIS ones. + */ + +#endif + +/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ + +#endif /* __CORE_CMINSTR_H__ */ diff --git a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/system_LPC11Uxx.h b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/system_LPC11Uxx.h index aaf73f705..5a89a85c0 100644 --- a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/system_LPC11Uxx.h +++ b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/inc/system_LPC11Uxx.h @@ -1,64 +1,64 @@ -/**************************************************************************//** - * @file system_LPC11Uxx.h - * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Header File - * for the NXP LPC11Uxx Device Series - * @version V1.10 - * @date 24. November 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - - -#ifndef __SYSTEM_LPC11Uxx_H -#define __SYSTEM_LPC11Uxx_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include - -extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ - - -/** - * Initialize the system - * - * @param none - * @return none - * - * @brief Setup the microcontroller system. - * Initialize the System and update the SystemCoreClock variable. - */ -extern void SystemInit (void); - -/** - * Update SystemCoreClock variable - * - * @param none - * @return none - * - * @brief Updates the SystemCoreClock with current core Clock - * retrieved from cpu registers. - */ -extern void SystemCoreClockUpdate (void); - -#ifdef __cplusplus -} -#endif - -#endif /* __SYSTEM_LPC11Uxx_H */ +/**************************************************************************//** + * @file system_LPC11Uxx.h + * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Header File + * for the NXP LPC11Uxx Device Series + * @version V1.10 + * @date 24. November 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + + +#ifndef __SYSTEM_LPC11Uxx_H +#define __SYSTEM_LPC11Uxx_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +extern void SystemInit (void); + +/** + * Update SystemCoreClock variable + * + * @param none + * @return none + * + * @brief Updates the SystemCoreClock with current core Clock + * retrieved from cpu registers. + */ +extern void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* __SYSTEM_LPC11Uxx_H */ diff --git a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/core_cm0.c b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/core_cm0.c index 3e9f12bee..b8ccbe19f 100644 --- a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/core_cm0.c +++ b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/core_cm0.c @@ -1,279 +1,279 @@ -/**************************************************************************//** - * @file core_cm0.c - * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Source File - * @version V2.00 - * @date 10. September 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - -#include - -/* define compiler specific symbols */ -#if defined ( __CC_ARM ) - #define __ASM __asm /*!< asm keyword for ARM Compiler */ - #define __INLINE __inline /*!< inline keyword for ARM Compiler */ - -#elif defined ( __ICCARM__ ) - #define __ASM __asm /*!< asm keyword for IAR Compiler */ - #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ - -#elif defined ( __GNUC__ ) - #define __ASM __asm /*!< asm keyword for GNU Compiler */ - #define __INLINE inline /*!< inline keyword for GNU Compiler */ - -#elif defined ( __TASKING__ ) - #define __ASM __asm /*!< asm keyword for TASKING Compiler */ - #define __INLINE inline /*!< inline keyword for TASKING Compiler */ - -#endif - - -/* ########################## Core Instruction Access ######################### */ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -__ASM uint32_t __REV16(uint32_t value) -{ - rev16 r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__ARMCC_VERSION < 400677) -__ASM int32_t __REVSH(int32_t value) -{ - revsh r0, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __CLREX(void) -{ - clrex -} -#endif /* __ARMCC_VERSION */ - - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* obsolete */ -#endif - - -/* ########################### Core Function Access ########################### */ - -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ - -/** \brief Get Control Register - - This function returns the content of the Control Register. - - \return Control Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_CONTROL(void) -{ - mrs r0, control - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Control Register - - This function writes the given value to the Control Register. - - \param [in] control Control Register value to set - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_CONTROL(uint32_t control) -{ - msr control, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get ISPR Register - - This function returns the content of the ISPR Register. - - \return ISPR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_IPSR(void) -{ - mrs r0, ipsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_APSR(void) -{ - mrs r0, apsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get xPSR Register - - This function returns the content of the xPSR Register. - - \return xPSR Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_xPSR(void) -{ - mrs r0, xpsr - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Process Stack Pointer - - This function returns the current value of the Process Stack Pointer (PSP). - - \return PSP Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_PSP(void) -{ - mrs r0, psp - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the Process Stack Pointer (PSP). - - \param [in] topOfProcStack Process Stack Pointer value to set - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_PSP(uint32_t topOfProcStack) -{ - msr psp, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Main Stack Pointer - - This function returns the current value of the Main Stack Pointer (MSP). - - \return MSP Register value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_MSP(void) -{ - mrs r0, msp - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Main Stack Pointer - - This function assigns the given value to the Main Stack Pointer (MSP). - - \param [in] topOfMainStack Main Stack Pointer value to set - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_MSP(uint32_t mainStackPointer) -{ - msr msp, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Get Priority Mask - - This function returns the current state of the priority mask bit from the Priority Mask Register. - - \return Priority Mask value - */ -#if (__ARMCC_VERSION < 400000) -__ASM uint32_t __get_PRIMASK(void) -{ - mrs r0, primask - bx lr -} -#endif /* __ARMCC_VERSION */ - - -/** \brief Set Priority Mask - - This function assigns the given value to the Priority Mask Register. - - \param [in] priMask Priority Mask - */ -#if (__ARMCC_VERSION < 400000) -__ASM void __set_PRIMASK(uint32_t priMask) -{ - msr primask, r0 - bx lr -} -#endif /* __ARMCC_VERSION */ - - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ -/* obsolete */ -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ -/* obsolete */ -#endif +/**************************************************************************//** + * @file core_cm0.c + * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Source File + * @version V2.00 + * @date 10. September 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + +#include + +/* define compiler specific symbols */ +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + +#endif + + +/* ########################## Core Instruction Access ######################### */ + +#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ + +/** \brief Reverse byte order (16 bit) + + This function reverses the byte order in two unsigned short values. + + \param [in] value Value to reverse + \return Reversed value + */ +#if (__ARMCC_VERSION < 400677) +__ASM uint32_t __REV16(uint32_t value) +{ + rev16 r0, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Reverse byte order in signed short value + + This function reverses the byte order in a signed short value with sign extension to integer. + + \param [in] value Value to reverse + \return Reversed value + */ +#if (__ARMCC_VERSION < 400677) +__ASM int32_t __REVSH(int32_t value) +{ + revsh r0, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Remove the exclusive lock + + This function removes the exclusive lock which is created by LDREX. + + */ +#if (__ARMCC_VERSION < 400000) +__ASM void __CLREX(void) +{ + clrex +} +#endif /* __ARMCC_VERSION */ + + +#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +/* obsolete */ +#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ +/* obsolete */ +#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ +/* obsolete */ +#endif + + +/* ########################### Core Function Access ########################### */ + +#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_CONTROL(void) +{ + mrs r0, control + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +#if (__ARMCC_VERSION < 400000) +__ASM void __set_CONTROL(uint32_t control) +{ + msr control, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_IPSR(void) +{ + mrs r0, ipsr + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_APSR(void) +{ + mrs r0, apsr + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_xPSR(void) +{ + mrs r0, xpsr + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_PSP(void) +{ + mrs r0, psp + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +__ASM void __set_PSP(uint32_t topOfProcStack) +{ + msr psp, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_MSP(void) +{ + mrs r0, msp + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +__ASM void __set_MSP(uint32_t mainStackPointer) +{ + msr msp, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +#if (__ARMCC_VERSION < 400000) +__ASM uint32_t __get_PRIMASK(void) +{ + mrs r0, primask + bx lr +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +#if (__ARMCC_VERSION < 400000) +__ASM void __set_PRIMASK(uint32_t priMask) +{ + msr primask, r0 + bx lr +} +#endif /* __ARMCC_VERSION */ + + +#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +/* obsolete */ +#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ +/* obsolete */ +#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ +/* obsolete */ +#endif diff --git a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/system_LPC11Uxx.c b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/system_LPC11Uxx.c index 387601587..ea74299c0 100644 --- a/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/system_LPC11Uxx.c +++ b/demos/bsp/lpc11uxx/CMSISv2p00_LPC11Uxx/src/system_LPC11Uxx.c @@ -1,451 +1,451 @@ -/****************************************************************************** - * @file system_LPC11Uxx.c - * @purpose CMSIS Cortex-M3 Device Peripheral Access Layer Source File - * for the NXP LPC13xx Device Series - * @version V1.10 - * @date 24. November 2010 - * - * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - - -#include -#include "LPC11Uxx.h" - -/* -//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------ -*/ - -/*--------------------- Clock Configuration ---------------------------------- -// -// Clock Configuration -// System Oscillator Control Register (SYSOSCCTRL) -// BYPASS: System Oscillator Bypass Enable -// If enabled then PLL input (sys_osc_clk) is fed -// directly from XTALIN and XTALOUT pins. -// FREQRANGE: System Oscillator Frequency Range -// Determines frequency range for Low-power oscillator. -// <0=> 1 - 20 MHz -// <1=> 15 - 25 MHz -// -// -// Watchdog Oscillator Control Register (WDTOSCCTRL) -// DIVSEL: Select Divider for Fclkana -// wdt_osc_clk = Fclkana/ (2 × (1 + DIVSEL)) -// <0-31> -// FREQSEL: Select Watchdog Oscillator Analog Output Frequency (Fclkana) -// <0=> Undefined -// <1=> 0.5 MHz -// <2=> 0.8 MHz -// <3=> 1.1 MHz -// <4=> 1.4 MHz -// <5=> 1.6 MHz -// <6=> 1.8 MHz -// <7=> 2.0 MHz -// <8=> 2.2 MHz -// <9=> 2.4 MHz -// <10=> 2.6 MHz -// <11=> 2.7 MHz -// <12=> 2.9 MHz -// <13=> 3.1 MHz -// <14=> 3.2 MHz -// <15=> 3.4 MHz -// -// -// System PLL Control Register (SYSPLLCTRL) -// F_clkout = M * F_clkin = F_CCO / (2 * P) -// F_clkin must be in the range of 10 MHz to 25 MHz -// F_CCO must be in the range of 156 MHz to 320 MHz -// MSEL: Feedback Divider Selection -// M = MSEL + 1 -// <0-31> -// PSEL: Post Divider Selection -// <0=> P = 1 -// <1=> P = 2 -// <2=> P = 4 -// <3=> P = 8 -// -// -// System PLL Clock Source Select Register (SYSPLLCLKSEL) -// SEL: System PLL Clock Source -// <0=> IRC Oscillator -// <1=> System Oscillator -// <2=> Reserved -// <3=> Reserved -// -// -// Main Clock Source Select Register (MAINCLKSEL) -// SEL: Clock Source for Main Clock -// <0=> IRC Oscillator -// <1=> Input Clock to System PLL -// <2=> WDT Oscillator -// <3=> System PLL Clock Out -// -// -// System AHB Clock Divider Register (SYSAHBCLKDIV) -// DIV: System AHB Clock Divider -// Divides main clock to provide system clock to core, memories, and peripherals. -// 0 = is disabled -// <0-255> -// -// -// USB PLL Control Register (USBPLLCTRL) -// F_clkout = M * F_clkin = F_CCO / (2 * P) -// F_clkin must be in the range of 10 MHz to 25 MHz -// F_CCO must be in the range of 156 MHz to 320 MHz -// MSEL: Feedback Divider Selection -// M = MSEL + 1 -// <0-31> -// PSEL: Post Divider Selection -// <0=> P = 1 -// <1=> P = 2 -// <2=> P = 4 -// <3=> P = 8 -// -// -// USB PLL Clock Source Select Register (USBPLLCLKSEL) -// SEL: USB PLL Clock Source -// USB PLL clock source must be switched to System Oscillator for correct USB operation -// <0=> IRC Oscillator -// <1=> System Oscillator -// <2=> Reserved -// <3=> Reserved -// -// -// USB Clock Source Select Register (USBCLKSEL) -// SEL: System PLL Clock Source -// <0=> USB PLL out -// <1=> Main clock -// <2=> Reserved -// <3=> Reserved -// -// -// USB Clock Divider Register (USBCLKDIV) -// DIV: USB Clock Divider -// Divides USB clock to 48 MHz. -// 0 = is disabled -// <0-255> -// -// -*/ -#define CLOCK_SETUP 1 -#define SYSOSCCTRL_Val 0x00000000 // Reset: 0x000 -#define WDTOSCCTRL_Val 0x00000000 // Reset: 0x000 -#define SYSPLLCTRL_Val 0x00000023 // Reset: 0x000 -#define SYSPLLCLKSEL_Val 0x00000001 // Reset: 0x000 -#define MAINCLKSEL_Val 0x00000003 // Reset: 0x000 -#define SYSAHBCLKDIV_Val 0x00000001 // Reset: 0x001 -#define USBPLLCTRL_Val 0x00000023 // Reset: 0x000 -#define USBPLLCLKSEL_Val 0x00000001 // Reset: 0x000 -#define USBCLKSEL_Val 0x00000000 // Reset: 0x000 -#define USBCLKDIV_Val 0x00000001 // Reset: 0x001 - -/* -//-------- <<< end of configuration section >>> ------------------------------ -*/ - -/*---------------------------------------------------------------------------- - Check the register settings - *----------------------------------------------------------------------------*/ -#define CHECK_RANGE(val, min, max) ((val < min) || (val > max)) -#define CHECK_RSVD(val, mask) (val & mask) - -/* Clock Configuration -------------------------------------------------------*/ -#if (CHECK_RSVD((SYSOSCCTRL_Val), ~0x00000003)) - #error "SYSOSCCTRL: Invalid values of reserved bits!" -#endif - -#if (CHECK_RSVD((WDTOSCCTRL_Val), ~0x000001FF)) - #error "WDTOSCCTRL: Invalid values of reserved bits!" -#endif - -#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 2)) - #error "SYSPLLCLKSEL: Value out of range!" -#endif - -#if (CHECK_RSVD((SYSPLLCTRL_Val), ~0x000001FF)) - #error "SYSPLLCTRL: Invalid values of reserved bits!" -#endif - -#if (CHECK_RSVD((MAINCLKSEL_Val), ~0x00000003)) - #error "MAINCLKSEL: Invalid values of reserved bits!" -#endif - -#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255)) - #error "SYSAHBCLKDIV: Value out of range!" -#endif - -#if (CHECK_RANGE((USBPLLCLKSEL_Val), 0, 1)) - #error "USBPLLCLKSEL: Value out of range!" -#endif - -#if (CHECK_RSVD((USBPLLCTRL_Val), ~0x000001FF)) - #error "USBPLLCTRL: Invalid values of reserved bits!" -#endif - -#if (CHECK_RANGE((USBCLKSEL_Val), 0, 1)) - #error "USBCLKSEL: Value out of range!" -#endif - -#if (CHECK_RANGE((USBCLKDIV_Val), 0, 255)) - #error "USBCLKDIV: Value out of range!" -#endif - - -/*---------------------------------------------------------------------------- - DEFINES - *----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- - Define clocks - *----------------------------------------------------------------------------*/ -#define __XTAL (12000000UL) /* Oscillator frequency */ -#define __SYS_OSC_CLK ( __XTAL) /* Main oscillator frequency */ -#define __IRC_OSC_CLK (12000000UL) /* Internal RC oscillator frequency */ - - -#define __FREQSEL ((WDTOSCCTRL_Val >> 5) & 0x0F) -#define __DIVSEL (((WDTOSCCTRL_Val & 0x1F) << 1) + 2) - -#if (CLOCK_SETUP) /* Clock Setup */ - #if (__FREQSEL == 0) - #define __WDT_OSC_CLK ( 0) /* undefined */ - #elif (__FREQSEL == 1) - #define __WDT_OSC_CLK ( 500000 / __DIVSEL) - #elif (__FREQSEL == 2) - #define __WDT_OSC_CLK ( 800000 / __DIVSEL) - #elif (__FREQSEL == 3) - #define __WDT_OSC_CLK (1100000 / __DIVSEL) - #elif (__FREQSEL == 4) - #define __WDT_OSC_CLK (1400000 / __DIVSEL) - #elif (__FREQSEL == 5) - #define __WDT_OSC_CLK (1600000 / __DIVSEL) - #elif (__FREQSEL == 6) - #define __WDT_OSC_CLK (1800000 / __DIVSEL) - #elif (__FREQSEL == 7) - #define __WDT_OSC_CLK (2000000 / __DIVSEL) - #elif (__FREQSEL == 8) - #define __WDT_OSC_CLK (2200000 / __DIVSEL) - #elif (__FREQSEL == 9) - #define __WDT_OSC_CLK (2400000 / __DIVSEL) - #elif (__FREQSEL == 10) - #define __WDT_OSC_CLK (2600000 / __DIVSEL) - #elif (__FREQSEL == 11) - #define __WDT_OSC_CLK (2700000 / __DIVSEL) - #elif (__FREQSEL == 12) - #define __WDT_OSC_CLK (2900000 / __DIVSEL) - #elif (__FREQSEL == 13) - #define __WDT_OSC_CLK (3100000 / __DIVSEL) - #elif (__FREQSEL == 14) - #define __WDT_OSC_CLK (3200000 / __DIVSEL) - #else - #define __WDT_OSC_CLK (3400000 / __DIVSEL) - #endif - - /* sys_pllclkin calculation */ - #if ((SYSPLLCLKSEL_Val & 0x03) == 0) - #define __SYS_PLLCLKIN (__IRC_OSC_CLK) - #elif ((SYSPLLCLKSEL_Val & 0x03) == 1) - #define __SYS_PLLCLKIN (__SYS_OSC_CLK) - #else - #define __SYS_PLLCLKIN (0) - #endif - - #define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1)) - - /* main clock calculation */ - #if ((MAINCLKSEL_Val & 0x03) == 0) - #define __MAIN_CLOCK (__IRC_OSC_CLK) - #elif ((MAINCLKSEL_Val & 0x03) == 1) - #define __MAIN_CLOCK (__SYS_PLLCLKIN) - #elif ((MAINCLKSEL_Val & 0x03) == 2) - #if (__FREQSEL == 0) - #error "MAINCLKSEL: WDT Oscillator selected but FREQSEL is undefined!" - #else - #define __MAIN_CLOCK (__WDT_OSC_CLK) - #endif - #elif ((MAINCLKSEL_Val & 0x03) == 3) - #define __MAIN_CLOCK (__SYS_PLLCLKOUT) - #else - #define __MAIN_CLOCK (0) - #endif - - #define __SYSTEM_CLOCK (__MAIN_CLOCK / SYSAHBCLKDIV_Val) - -#else - #define __SYSTEM_CLOCK (__IRC_OSC_CLK) -#endif // CLOCK_SETUP - - -/*---------------------------------------------------------------------------- - Clock Variable definitions - *----------------------------------------------------------------------------*/ -uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/ - - -/*---------------------------------------------------------------------------- - Clock functions - *----------------------------------------------------------------------------*/ -void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */ -{ - uint32_t wdt_osc = 0; - - /* Determine clock frequency according to clock register values */ - switch ((LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F) { - case 0: wdt_osc = 0; break; - case 1: wdt_osc = 500000; break; - case 2: wdt_osc = 800000; break; - case 3: wdt_osc = 1100000; break; - case 4: wdt_osc = 1400000; break; - case 5: wdt_osc = 1600000; break; - case 6: wdt_osc = 1800000; break; - case 7: wdt_osc = 2000000; break; - case 8: wdt_osc = 2200000; break; - case 9: wdt_osc = 2400000; break; - case 10: wdt_osc = 2600000; break; - case 11: wdt_osc = 2700000; break; - case 12: wdt_osc = 2900000; break; - case 13: wdt_osc = 3100000; break; - case 14: wdt_osc = 3200000; break; - case 15: wdt_osc = 3400000; break; - } - wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2; - - switch (LPC_SYSCON->MAINCLKSEL & 0x03) { - case 0: /* Internal RC oscillator */ - SystemCoreClock = __IRC_OSC_CLK; - break; - case 1: /* Input Clock to System PLL */ - switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { - case 0: /* Internal RC oscillator */ - SystemCoreClock = __IRC_OSC_CLK; - break; - case 1: /* System oscillator */ - SystemCoreClock = __SYS_OSC_CLK; - break; - case 2: /* Reserved */ - case 3: /* Reserved */ - SystemCoreClock = 0; - break; - } - break; - case 2: /* WDT Oscillator */ - SystemCoreClock = wdt_osc; - break; - case 3: /* System PLL Clock Out */ - switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { - case 0: /* Internal RC oscillator */ - if (LPC_SYSCON->SYSPLLCTRL & 0x180) { - SystemCoreClock = __IRC_OSC_CLK; - } else { - SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); - } - break; - case 1: /* System oscillator */ - if (LPC_SYSCON->SYSPLLCTRL & 0x180) { - SystemCoreClock = __SYS_OSC_CLK; - } else { - SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); - } - break; - case 2: /* Reserved */ - case 3: /* Reserved */ - SystemCoreClock = 0; - break; - } - break; - } - - SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV; - -} - -/** - * Initialize the system - * - * @param none - * @return none - * - * @brief Setup the microcontroller system. - * Initialize the System. - */ -void SystemInit (void) { - volatile uint32_t i; - -#if (CLOCK_SETUP) /* Clock Setup */ - -#if ((SYSPLLCLKSEL_Val & 0x03) == 1) - LPC_SYSCON->PDRUNCFG &= ~(1 << 5); /* Power-up System Osc */ - LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val; - for (i = 0; i < 200; i++) __NOP(); -#endif - - LPC_SYSCON->SYSPLLCLKSEL = SYSPLLCLKSEL_Val; /* Select PLL Input */ - LPC_SYSCON->SYSPLLCLKUEN = 0x01; /* Update Clock Source */ - LPC_SYSCON->SYSPLLCLKUEN = 0x00; /* Toggle Update Register */ - LPC_SYSCON->SYSPLLCLKUEN = 0x01; - while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01)); /* Wait Until Updated */ -#if ((MAINCLKSEL_Val & 0x03) == 3) /* Main Clock is PLL Out */ - LPC_SYSCON->SYSPLLCTRL = SYSPLLCTRL_Val; - LPC_SYSCON->PDRUNCFG &= ~(1 << 7); /* Power-up SYSPLL */ - while (!(LPC_SYSCON->SYSPLLSTAT & 0x01)); /* Wait Until PLL Locked */ -#endif - -#if (((MAINCLKSEL_Val & 0x03) == 2) ) - LPC_SYSCON->WDTOSCCTRL = WDTOSCCTRL_Val; - LPC_SYSCON->PDRUNCFG &= ~(1 << 6); /* Power-up WDT Clock */ - for (i = 0; i < 200; i++) __NOP(); -#endif - - LPC_SYSCON->MAINCLKSEL = MAINCLKSEL_Val; /* Select PLL Clock Output */ - LPC_SYSCON->MAINCLKUEN = 0x01; /* Update MCLK Clock Source */ - LPC_SYSCON->MAINCLKUEN = 0x00; /* Toggle Update Register */ - LPC_SYSCON->MAINCLKUEN = 0x01; - while (!(LPC_SYSCON->MAINCLKUEN & 0x01)); /* Wait Until Updated */ - - LPC_SYSCON->SYSAHBCLKDIV = SYSAHBCLKDIV_Val; - -#if ((USBCLKDIV_Val & 0x1FF) != 0) /* USB clock is used */ - LPC_SYSCON->PDRUNCFG &= ~(1 << 10); /* Power-up USB PHY */ - -#if ((USBCLKSEL_Val & 0x003) == 0) /* USB clock is USB PLL out */ - LPC_SYSCON->PDRUNCFG &= ~(1 << 8); /* Power-up USB PLL */ - LPC_SYSCON->USBPLLCLKSEL = USBPLLCLKSEL_Val; /* Select PLL Input */ - LPC_SYSCON->USBPLLCLKUEN = 0x01; /* Update Clock Source */ - LPC_SYSCON->USBPLLCLKUEN = 0x00; /* Toggle Update Register */ - LPC_SYSCON->USBPLLCLKUEN = 0x01; - while (!(LPC_SYSCON->USBPLLCLKUEN & 0x01)); /* Wait Until Updated */ - LPC_SYSCON->USBPLLCTRL = USBPLLCTRL_Val; - while (!(LPC_SYSCON->USBPLLSTAT & 0x01)); /* Wait Until PLL Locked */ - LPC_SYSCON->USBCLKSEL = 0x00; /* Select USB PLL */ -#endif - - LPC_SYSCON->USBCLKSEL = USBCLKSEL_Val; /* Select USB Clock */ - LPC_SYSCON->USBCLKDIV = USBCLKDIV_Val; /* Set USB clock divider */ - -#else /* USB clock is not used */ - LPC_SYSCON->PDRUNCFG |= (1 << 10); /* Power-down USB PHY */ - LPC_SYSCON->PDRUNCFG |= (1 << 8); /* Power-down USB PLL */ -#endif - -#endif - - /* System clock to the IOCON needs to be enabled or - most of the I/O related peripherals won't work. */ - LPC_SYSCON->SYSAHBCLKCTRL |= (1<<16); - -} +/****************************************************************************** + * @file system_LPC11Uxx.c + * @purpose CMSIS Cortex-M3 Device Peripheral Access Layer Source File + * for the NXP LPC13xx Device Series + * @version V1.10 + * @date 24. November 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + + +#include +#include "LPC11Uxx.h" + +/* +//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +*/ + +/*--------------------- Clock Configuration ---------------------------------- +// +// Clock Configuration +// System Oscillator Control Register (SYSOSCCTRL) +// BYPASS: System Oscillator Bypass Enable +// If enabled then PLL input (sys_osc_clk) is fed +// directly from XTALIN and XTALOUT pins. +// FREQRANGE: System Oscillator Frequency Range +// Determines frequency range for Low-power oscillator. +// <0=> 1 - 20 MHz +// <1=> 15 - 25 MHz +// +// +// Watchdog Oscillator Control Register (WDTOSCCTRL) +// DIVSEL: Select Divider for Fclkana +// wdt_osc_clk = Fclkana/ (2 × (1 + DIVSEL)) +// <0-31> +// FREQSEL: Select Watchdog Oscillator Analog Output Frequency (Fclkana) +// <0=> Undefined +// <1=> 0.5 MHz +// <2=> 0.8 MHz +// <3=> 1.1 MHz +// <4=> 1.4 MHz +// <5=> 1.6 MHz +// <6=> 1.8 MHz +// <7=> 2.0 MHz +// <8=> 2.2 MHz +// <9=> 2.4 MHz +// <10=> 2.6 MHz +// <11=> 2.7 MHz +// <12=> 2.9 MHz +// <13=> 3.1 MHz +// <14=> 3.2 MHz +// <15=> 3.4 MHz +// +// +// System PLL Control Register (SYSPLLCTRL) +// F_clkout = M * F_clkin = F_CCO / (2 * P) +// F_clkin must be in the range of 10 MHz to 25 MHz +// F_CCO must be in the range of 156 MHz to 320 MHz +// MSEL: Feedback Divider Selection +// M = MSEL + 1 +// <0-31> +// PSEL: Post Divider Selection +// <0=> P = 1 +// <1=> P = 2 +// <2=> P = 4 +// <3=> P = 8 +// +// +// System PLL Clock Source Select Register (SYSPLLCLKSEL) +// SEL: System PLL Clock Source +// <0=> IRC Oscillator +// <1=> System Oscillator +// <2=> Reserved +// <3=> Reserved +// +// +// Main Clock Source Select Register (MAINCLKSEL) +// SEL: Clock Source for Main Clock +// <0=> IRC Oscillator +// <1=> Input Clock to System PLL +// <2=> WDT Oscillator +// <3=> System PLL Clock Out +// +// +// System AHB Clock Divider Register (SYSAHBCLKDIV) +// DIV: System AHB Clock Divider +// Divides main clock to provide system clock to core, memories, and peripherals. +// 0 = is disabled +// <0-255> +// +// +// USB PLL Control Register (USBPLLCTRL) +// F_clkout = M * F_clkin = F_CCO / (2 * P) +// F_clkin must be in the range of 10 MHz to 25 MHz +// F_CCO must be in the range of 156 MHz to 320 MHz +// MSEL: Feedback Divider Selection +// M = MSEL + 1 +// <0-31> +// PSEL: Post Divider Selection +// <0=> P = 1 +// <1=> P = 2 +// <2=> P = 4 +// <3=> P = 8 +// +// +// USB PLL Clock Source Select Register (USBPLLCLKSEL) +// SEL: USB PLL Clock Source +// USB PLL clock source must be switched to System Oscillator for correct USB operation +// <0=> IRC Oscillator +// <1=> System Oscillator +// <2=> Reserved +// <3=> Reserved +// +// +// USB Clock Source Select Register (USBCLKSEL) +// SEL: System PLL Clock Source +// <0=> USB PLL out +// <1=> Main clock +// <2=> Reserved +// <3=> Reserved +// +// +// USB Clock Divider Register (USBCLKDIV) +// DIV: USB Clock Divider +// Divides USB clock to 48 MHz. +// 0 = is disabled +// <0-255> +// +// +*/ +#define CLOCK_SETUP 1 +#define SYSOSCCTRL_Val 0x00000000 // Reset: 0x000 +#define WDTOSCCTRL_Val 0x00000000 // Reset: 0x000 +#define SYSPLLCTRL_Val 0x00000023 // Reset: 0x000 +#define SYSPLLCLKSEL_Val 0x00000001 // Reset: 0x000 +#define MAINCLKSEL_Val 0x00000003 // Reset: 0x000 +#define SYSAHBCLKDIV_Val 0x00000001 // Reset: 0x001 +#define USBPLLCTRL_Val 0x00000023 // Reset: 0x000 +#define USBPLLCLKSEL_Val 0x00000001 // Reset: 0x000 +#define USBCLKSEL_Val 0x00000000 // Reset: 0x000 +#define USBCLKDIV_Val 0x00000001 // Reset: 0x001 + +/* +//-------- <<< end of configuration section >>> ------------------------------ +*/ + +/*---------------------------------------------------------------------------- + Check the register settings + *----------------------------------------------------------------------------*/ +#define CHECK_RANGE(val, min, max) ((val < min) || (val > max)) +#define CHECK_RSVD(val, mask) (val & mask) + +/* Clock Configuration -------------------------------------------------------*/ +#if (CHECK_RSVD((SYSOSCCTRL_Val), ~0x00000003)) + #error "SYSOSCCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RSVD((WDTOSCCTRL_Val), ~0x000001FF)) + #error "WDTOSCCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 2)) + #error "SYSPLLCLKSEL: Value out of range!" +#endif + +#if (CHECK_RSVD((SYSPLLCTRL_Val), ~0x000001FF)) + #error "SYSPLLCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RSVD((MAINCLKSEL_Val), ~0x00000003)) + #error "MAINCLKSEL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255)) + #error "SYSAHBCLKDIV: Value out of range!" +#endif + +#if (CHECK_RANGE((USBPLLCLKSEL_Val), 0, 1)) + #error "USBPLLCLKSEL: Value out of range!" +#endif + +#if (CHECK_RSVD((USBPLLCTRL_Val), ~0x000001FF)) + #error "USBPLLCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RANGE((USBCLKSEL_Val), 0, 1)) + #error "USBCLKSEL: Value out of range!" +#endif + +#if (CHECK_RANGE((USBCLKDIV_Val), 0, 255)) + #error "USBCLKDIV: Value out of range!" +#endif + + +/*---------------------------------------------------------------------------- + DEFINES + *----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define __XTAL (12000000UL) /* Oscillator frequency */ +#define __SYS_OSC_CLK ( __XTAL) /* Main oscillator frequency */ +#define __IRC_OSC_CLK (12000000UL) /* Internal RC oscillator frequency */ + + +#define __FREQSEL ((WDTOSCCTRL_Val >> 5) & 0x0F) +#define __DIVSEL (((WDTOSCCTRL_Val & 0x1F) << 1) + 2) + +#if (CLOCK_SETUP) /* Clock Setup */ + #if (__FREQSEL == 0) + #define __WDT_OSC_CLK ( 0) /* undefined */ + #elif (__FREQSEL == 1) + #define __WDT_OSC_CLK ( 500000 / __DIVSEL) + #elif (__FREQSEL == 2) + #define __WDT_OSC_CLK ( 800000 / __DIVSEL) + #elif (__FREQSEL == 3) + #define __WDT_OSC_CLK (1100000 / __DIVSEL) + #elif (__FREQSEL == 4) + #define __WDT_OSC_CLK (1400000 / __DIVSEL) + #elif (__FREQSEL == 5) + #define __WDT_OSC_CLK (1600000 / __DIVSEL) + #elif (__FREQSEL == 6) + #define __WDT_OSC_CLK (1800000 / __DIVSEL) + #elif (__FREQSEL == 7) + #define __WDT_OSC_CLK (2000000 / __DIVSEL) + #elif (__FREQSEL == 8) + #define __WDT_OSC_CLK (2200000 / __DIVSEL) + #elif (__FREQSEL == 9) + #define __WDT_OSC_CLK (2400000 / __DIVSEL) + #elif (__FREQSEL == 10) + #define __WDT_OSC_CLK (2600000 / __DIVSEL) + #elif (__FREQSEL == 11) + #define __WDT_OSC_CLK (2700000 / __DIVSEL) + #elif (__FREQSEL == 12) + #define __WDT_OSC_CLK (2900000 / __DIVSEL) + #elif (__FREQSEL == 13) + #define __WDT_OSC_CLK (3100000 / __DIVSEL) + #elif (__FREQSEL == 14) + #define __WDT_OSC_CLK (3200000 / __DIVSEL) + #else + #define __WDT_OSC_CLK (3400000 / __DIVSEL) + #endif + + /* sys_pllclkin calculation */ + #if ((SYSPLLCLKSEL_Val & 0x03) == 0) + #define __SYS_PLLCLKIN (__IRC_OSC_CLK) + #elif ((SYSPLLCLKSEL_Val & 0x03) == 1) + #define __SYS_PLLCLKIN (__SYS_OSC_CLK) + #else + #define __SYS_PLLCLKIN (0) + #endif + + #define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1)) + + /* main clock calculation */ + #if ((MAINCLKSEL_Val & 0x03) == 0) + #define __MAIN_CLOCK (__IRC_OSC_CLK) + #elif ((MAINCLKSEL_Val & 0x03) == 1) + #define __MAIN_CLOCK (__SYS_PLLCLKIN) + #elif ((MAINCLKSEL_Val & 0x03) == 2) + #if (__FREQSEL == 0) + #error "MAINCLKSEL: WDT Oscillator selected but FREQSEL is undefined!" + #else + #define __MAIN_CLOCK (__WDT_OSC_CLK) + #endif + #elif ((MAINCLKSEL_Val & 0x03) == 3) + #define __MAIN_CLOCK (__SYS_PLLCLKOUT) + #else + #define __MAIN_CLOCK (0) + #endif + + #define __SYSTEM_CLOCK (__MAIN_CLOCK / SYSAHBCLKDIV_Val) + +#else + #define __SYSTEM_CLOCK (__IRC_OSC_CLK) +#endif // CLOCK_SETUP + + +/*---------------------------------------------------------------------------- + Clock Variable definitions + *----------------------------------------------------------------------------*/ +uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/ + + +/*---------------------------------------------------------------------------- + Clock functions + *----------------------------------------------------------------------------*/ +void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */ +{ + uint32_t wdt_osc = 0; + + /* Determine clock frequency according to clock register values */ + switch ((LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F) { + case 0: wdt_osc = 0; break; + case 1: wdt_osc = 500000; break; + case 2: wdt_osc = 800000; break; + case 3: wdt_osc = 1100000; break; + case 4: wdt_osc = 1400000; break; + case 5: wdt_osc = 1600000; break; + case 6: wdt_osc = 1800000; break; + case 7: wdt_osc = 2000000; break; + case 8: wdt_osc = 2200000; break; + case 9: wdt_osc = 2400000; break; + case 10: wdt_osc = 2600000; break; + case 11: wdt_osc = 2700000; break; + case 12: wdt_osc = 2900000; break; + case 13: wdt_osc = 3100000; break; + case 14: wdt_osc = 3200000; break; + case 15: wdt_osc = 3400000; break; + } + wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2; + + switch (LPC_SYSCON->MAINCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + SystemCoreClock = __IRC_OSC_CLK; + break; + case 1: /* Input Clock to System PLL */ + switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + SystemCoreClock = __IRC_OSC_CLK; + break; + case 1: /* System oscillator */ + SystemCoreClock = __SYS_OSC_CLK; + break; + case 2: /* Reserved */ + case 3: /* Reserved */ + SystemCoreClock = 0; + break; + } + break; + case 2: /* WDT Oscillator */ + SystemCoreClock = wdt_osc; + break; + case 3: /* System PLL Clock Out */ + switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + if (LPC_SYSCON->SYSPLLCTRL & 0x180) { + SystemCoreClock = __IRC_OSC_CLK; + } else { + SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); + } + break; + case 1: /* System oscillator */ + if (LPC_SYSCON->SYSPLLCTRL & 0x180) { + SystemCoreClock = __SYS_OSC_CLK; + } else { + SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); + } + break; + case 2: /* Reserved */ + case 3: /* Reserved */ + SystemCoreClock = 0; + break; + } + break; + } + + SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV; + +} + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System. + */ +void SystemInit (void) { + volatile uint32_t i; + +#if (CLOCK_SETUP) /* Clock Setup */ + +#if ((SYSPLLCLKSEL_Val & 0x03) == 1) + LPC_SYSCON->PDRUNCFG &= ~(1 << 5); /* Power-up System Osc */ + LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val; + for (i = 0; i < 200; i++) __NOP(); +#endif + + LPC_SYSCON->SYSPLLCLKSEL = SYSPLLCLKSEL_Val; /* Select PLL Input */ + LPC_SYSCON->SYSPLLCLKUEN = 0x01; /* Update Clock Source */ + LPC_SYSCON->SYSPLLCLKUEN = 0x00; /* Toggle Update Register */ + LPC_SYSCON->SYSPLLCLKUEN = 0x01; + while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01)); /* Wait Until Updated */ +#if ((MAINCLKSEL_Val & 0x03) == 3) /* Main Clock is PLL Out */ + LPC_SYSCON->SYSPLLCTRL = SYSPLLCTRL_Val; + LPC_SYSCON->PDRUNCFG &= ~(1 << 7); /* Power-up SYSPLL */ + while (!(LPC_SYSCON->SYSPLLSTAT & 0x01)); /* Wait Until PLL Locked */ +#endif + +#if (((MAINCLKSEL_Val & 0x03) == 2) ) + LPC_SYSCON->WDTOSCCTRL = WDTOSCCTRL_Val; + LPC_SYSCON->PDRUNCFG &= ~(1 << 6); /* Power-up WDT Clock */ + for (i = 0; i < 200; i++) __NOP(); +#endif + + LPC_SYSCON->MAINCLKSEL = MAINCLKSEL_Val; /* Select PLL Clock Output */ + LPC_SYSCON->MAINCLKUEN = 0x01; /* Update MCLK Clock Source */ + LPC_SYSCON->MAINCLKUEN = 0x00; /* Toggle Update Register */ + LPC_SYSCON->MAINCLKUEN = 0x01; + while (!(LPC_SYSCON->MAINCLKUEN & 0x01)); /* Wait Until Updated */ + + LPC_SYSCON->SYSAHBCLKDIV = SYSAHBCLKDIV_Val; + +#if ((USBCLKDIV_Val & 0x1FF) != 0) /* USB clock is used */ + LPC_SYSCON->PDRUNCFG &= ~(1 << 10); /* Power-up USB PHY */ + +#if ((USBCLKSEL_Val & 0x003) == 0) /* USB clock is USB PLL out */ + LPC_SYSCON->PDRUNCFG &= ~(1 << 8); /* Power-up USB PLL */ + LPC_SYSCON->USBPLLCLKSEL = USBPLLCLKSEL_Val; /* Select PLL Input */ + LPC_SYSCON->USBPLLCLKUEN = 0x01; /* Update Clock Source */ + LPC_SYSCON->USBPLLCLKUEN = 0x00; /* Toggle Update Register */ + LPC_SYSCON->USBPLLCLKUEN = 0x01; + while (!(LPC_SYSCON->USBPLLCLKUEN & 0x01)); /* Wait Until Updated */ + LPC_SYSCON->USBPLLCTRL = USBPLLCTRL_Val; + while (!(LPC_SYSCON->USBPLLSTAT & 0x01)); /* Wait Until PLL Locked */ + LPC_SYSCON->USBCLKSEL = 0x00; /* Select USB PLL */ +#endif + + LPC_SYSCON->USBCLKSEL = USBCLKSEL_Val; /* Select USB Clock */ + LPC_SYSCON->USBCLKDIV = USBCLKDIV_Val; /* Set USB clock divider */ + +#else /* USB clock is not used */ + LPC_SYSCON->PDRUNCFG |= (1 << 10); /* Power-down USB PHY */ + LPC_SYSCON->PDRUNCFG |= (1 << 8); /* Power-down USB PLL */ +#endif + +#endif + + /* System clock to the IOCON needs to be enabled or + most of the I/O related peripherals won't work. */ + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<16); + +} diff --git a/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_gpio.c b/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_gpio.c index f07af3785..c418cb5cd 100644 --- a/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_gpio.c +++ b/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_gpio.c @@ -1,819 +1,819 @@ -/**************************************************************************** - * $Id:: gpio.c 6172 2011-01-13 18:22:51Z usb00423 $ - * Project: NXP LPC11Uxx GPIO example - * - * Description: - * This file contains GPIO code example which include GPIO - * initialization, GPIO interrupt handler, and related APIs for - * GPIO access. - * - **************************************************************************** - * Software that is described herein is for illustrative purposes only - * which provides customers with programming information regarding the - * products. This software is supplied "AS IS" without any warranties. - * NXP Semiconductors assumes no responsibility or liability for the - * use of the software, conveys no license or title under any patent, - * copyright, or mask work right to the product. NXP Semiconductors - * reserves the right to make changes in the software without - * notification. NXP Semiconductors also make no representation or - * warranty that such application will be suitable for the specified - * use without further testing or modification. -****************************************************************************/ -#include "LPC11Uxx.h" /* LPC11Uxx Peripheral Registers */ -#include "lpc11uxx_gpio.h" - -volatile uint32_t flex_int0_counter = 0; -volatile uint32_t flex_int1_counter = 0; -volatile uint32_t flex_int2_counter = 0; -volatile uint32_t flex_int3_counter = 0; -volatile uint32_t flex_int4_counter = 0; -volatile uint32_t flex_int5_counter = 0; -volatile uint32_t flex_int6_counter = 0; -volatile uint32_t flex_int7_counter = 0; -volatile uint32_t gint0_counter = 0; -volatile uint32_t gint1_counter = 0; -volatile uint32_t flex_int0_level_counter = 0; -volatile uint32_t flex_int0_rising_edge_counter = 0; -volatile uint32_t flex_int0_falling_edge_counter = 0; -volatile uint32_t flex_int1_level_counter = 0; -volatile uint32_t flex_int1_rising_edge_counter = 0; -volatile uint32_t flex_int1_falling_edge_counter = 0; -volatile uint32_t flex_int2_level_counter = 0; -volatile uint32_t flex_int2_rising_edge_counter = 0; -volatile uint32_t flex_int2_falling_edge_counter = 0; -volatile uint32_t flex_int3_level_counter = 0; -volatile uint32_t flex_int3_rising_edge_counter = 0; -volatile uint32_t flex_int3_falling_edge_counter = 0; -volatile uint32_t flex_int4_level_counter = 0; -volatile uint32_t flex_int4_rising_edge_counter = 0; -volatile uint32_t flex_int4_falling_edge_counter = 0; -volatile uint32_t flex_int5_level_counter = 0; -volatile uint32_t flex_int5_rising_edge_counter = 0; -volatile uint32_t flex_int5_falling_edge_counter = 0; -volatile uint32_t flex_int6_level_counter = 0; -volatile uint32_t flex_int6_rising_edge_counter = 0; -volatile uint32_t flex_int6_falling_edge_counter = 0; -volatile uint32_t flex_int7_level_counter = 0; -volatile uint32_t flex_int7_rising_edge_counter = 0; -volatile uint32_t flex_int7_falling_edge_counter = 0; -volatile uint32_t gint0_level_counter = 0; -volatile uint32_t gint0_edge_counter = 0; -volatile uint32_t gint1_level_counter = 0; -volatile uint32_t gint1_edge_counter = 0; - -/***************************************************************************** -** Function name: FLEX_INT0_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT0_IRQHandler(void) -{ - flex_int0_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<0) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<0) ) - { - flex_int0_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<0) ) - { - flex_int0_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<0; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<0) ) - { - flex_int0_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<0; - } - LPC_GPIO_PIN_INT->IST = 0x1<<0; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT1_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT1_IRQHandler(void) -{ - flex_int1_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<1) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<1) ) - { - flex_int1_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<1) ) - { - flex_int1_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<1; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<1) ) - { - flex_int1_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<1; - } - LPC_GPIO_PIN_INT->IST = 0x1<<1; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT2_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT2_IRQHandler(void) -{ - flex_int2_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<2) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<2) ) - { - flex_int2_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<2) ) - { - flex_int2_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<2; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<2) ) - { - flex_int2_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<2; - } - LPC_GPIO_PIN_INT->IST = 0x1<<2; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT3_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT3_IRQHandler(void) -{ - flex_int3_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<3) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<3) ) - { - flex_int3_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<3) ) - { - flex_int3_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<3; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<3) ) - { - flex_int3_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<3; - } - LPC_GPIO_PIN_INT->IST = 0x1<<3; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT4_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT4_IRQHandler(void) -{ - flex_int4_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<4) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<4) ) - { - flex_int4_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<4) ) - { - flex_int4_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<4; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<4) ) - { - flex_int4_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<4; - } - LPC_GPIO_PIN_INT->IST = 0x1<<4; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT5_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT5_IRQHandler(void) -{ - flex_int5_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<5) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<5) ) - { - flex_int5_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<5) ) - { - flex_int5_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<5; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<5) ) - { - flex_int5_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<5; - } - LPC_GPIO_PIN_INT->IST = 0x1<<5; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT6_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT6_IRQHandler(void) -{ - flex_int6_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<6) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<6) ) - { - flex_int6_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<6) ) - { - flex_int6_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<6; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<6) ) - { - flex_int6_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<6; - } - LPC_GPIO_PIN_INT->IST = 0x1<<6; - } - } - return; -} - -/***************************************************************************** -** Function name: FLEX_INT7_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void FLEX_INT7_IRQHandler(void) -{ - flex_int7_counter++; - if ( LPC_GPIO_PIN_INT->IST & (0x1<<7) ) - { - if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<7) ) - { - flex_int7_level_counter++; - } - else - { - if ( LPC_GPIO_PIN_INT->RISE & (0x1<<7) ) - { - flex_int7_rising_edge_counter++; - LPC_GPIO_PIN_INT->RISE = 0x1<<7; - } - else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<7) ) - { - flex_int7_falling_edge_counter++; - LPC_GPIO_PIN_INT->FALL = 0x1<<7; - } - LPC_GPIO_PIN_INT->IST = 0x1<<7; - } - } - return; -} - -/***************************************************************************** -** Function name: GINT0_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void GINT0_IRQHandler(void) -{ - gint0_counter++; - if ( LPC_GPIO_GROUP_INT0->CTRL & 0x1 ) - { - if ( LPC_GPIO_GROUP_INT0->CTRL & (0x1<<4) ) - { - gint0_level_counter++; - } - else - { - gint0_edge_counter++; - } - LPC_GPIO_GROUP_INT0->CTRL |= 0x1; - } - return; -} - -/***************************************************************************** -** Function name: GINT1_IRQHandler -** -** Descriptions: Use one GPIO pin as interrupt source -** -** parameters: None -** -** Returned value: None -** -*****************************************************************************/ -void GINT1_IRQHandler(void) -{ - gint1_counter++; - if ( LPC_GPIO_GROUP_INT1->CTRL & 0x1 ) - { - if ( LPC_GPIO_GROUP_INT1->CTRL & (0x1<<4) ) - { - gint1_level_counter++; - } - else - { - gint1_edge_counter++; - } - LPC_GPIO_GROUP_INT1->CTRL |= 0x1; - } - return; -} - -/***************************************************************************** -** Function name: GPIOInit -** -** Descriptions: Initialize GPIO, install the -** GPIO interrupt handler -** -** parameters: None -** -** Returned value: true or false, return false if the VIC table -** is full and GPIO interrupt handler can be -** installed. -** -*****************************************************************************/ -void GPIOInit( void ) -{ - /* Enable AHB clock to the GPIO domain. */ - LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6); - - /* Enable AHB clock to the FlexInt, GroupedInt domain. */ - LPC_SYSCON->SYSAHBCLKCTRL |= ((1<<19) | (1<<23) | (1<<24)); - - return; -} - -/***************************************************************************** -** Function name: GPIOSetFlexInterrupt -** -** Descriptions: Set interrupt sense, event, etc. -** sense: edge or level, 0 is edge, 1 is level -** event/polarity: 0 is active low/falling, 1 is high/rising. -** -** parameters: channel #, port #, bit position, sense, event(polarity) -** -** Returned value: None -** -*****************************************************************************/ -void GPIOSetFlexInterrupt( uint32_t channelNum, uint32_t portNum, uint32_t bitPosi, - uint32_t sense, uint32_t event ) -{ - switch ( channelNum ) - { - case CHANNEL0: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[0] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[0] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT0_IRQn); - break; - case CHANNEL1: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[1] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[1] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT1_IRQn); - break; - case CHANNEL2: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[2] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[2] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT2_IRQn); - break; - case CHANNEL3: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[3] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[3] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT3_IRQn); - break; - case CHANNEL4: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[4] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[4] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT4_IRQn); - break; - case CHANNEL5: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[5] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[5] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT5_IRQn); - break; - case CHANNEL6: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[6] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[6] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT6_IRQn); - break; - case CHANNEL7: - if ( portNum ) - { - LPC_SYSCON->PINTSEL[7] = bitPosi + 24; - } - else - { - LPC_SYSCON->PINTSEL[7] = bitPosi; - } - NVIC_EnableIRQ(FLEX_INT7_IRQn); - break; - default: - break; - } - if ( sense == 0 ) - { - LPC_GPIO_PIN_INT->ISEL &= ~(0x1<IENF |= (0x1<IENR |= (0x1<ISEL |= (0x1<IENR |= (0x1<IENF &= ~(0x1<IENF |= (0x1<ISEL & (0x1<SIENF |= (0x1<SIENR |= (0x1<SIENR |= (0x1<ISEL & (0x1<CIENF |= (0x1<CIENR |= (0x1<CIENR |= (0x1<IST & (0x1<ISEL & (0x1<IST = (1<CTRL &= ~(0x1<<2); /* Edge trigger */ - } - else - { - LPC_GPIO_GROUP_INT0->CTRL |= (0x1<<2); /* Level trigger. */ - } - LPC_GPIO_GROUP_INT0->CTRL |= (logic<<1); - LPC_GPIO_GROUP_INT0->PORT_POL[0] = *((uint32_t *)(eventPattern + 0)); - LPC_GPIO_GROUP_INT0->PORT_POL[1] = *((uint32_t *)(eventPattern + 1)); - LPC_GPIO_GROUP_INT0->PORT_ENA[0] = *((uint32_t *)(bitPattern + 0)); - LPC_GPIO_GROUP_INT0->PORT_ENA[1] = *((uint32_t *)(bitPattern + 1)); - /* as soon as enabled, an edge may be generated */ - /* clear interrupt flag and NVIC pending interrupt to */ - /* workaround the potential edge generated as enabled */ - LPC_GPIO_GROUP_INT0->CTRL |= (1<<0); - NVIC_ClearPendingIRQ(GINT0_IRQn); - NVIC_EnableIRQ(GINT0_IRQn); - break; - case GROUP1: - if ( sense == 0 ) - { - LPC_GPIO_GROUP_INT1->CTRL &= ~(0x1<<2); /* Edge trigger */ - } - else - { - LPC_GPIO_GROUP_INT1->CTRL |= (0x1<<2); /* Level trigger. */ - } - LPC_GPIO_GROUP_INT1->CTRL |= (logic<<1); - LPC_GPIO_GROUP_INT1->PORT_POL[0] = *((uint32_t *)(eventPattern + 0)); - LPC_GPIO_GROUP_INT1->PORT_POL[1] = *((uint32_t *)(eventPattern + 1)); - LPC_GPIO_GROUP_INT1->PORT_ENA[0] = *((uint32_t *)(bitPattern + 0)); - LPC_GPIO_GROUP_INT1->PORT_ENA[1] = *((uint32_t *)(bitPattern + 1)); - /* as soon as enabled, an edge may be generated */ - /* clear interrupt flag and NVIC pending interrupt to */ - /* workaround the potential edge generated as enabled */ - LPC_GPIO_GROUP_INT1->CTRL |= (1<<0); - NVIC_ClearPendingIRQ(GINT1_IRQn); - NVIC_EnableIRQ(GINT1_IRQn); - break; - default: - break; - } - - return; -} - -/***************************************************************************** -** Function name: GPIOGetPinValue -** -** Descriptions: Read Current state of port pin, PIN register value -** -** parameters: port num, bit position -** Returned value: None -** -*****************************************************************************/ -uint32_t GPIOGetPinValue( uint32_t portNum, uint32_t bitPosi ) -{ - uint32_t regVal = 0; - - if( bitPosi < 0x20 ) - { - if ( LPC_GPIO->PIN[portNum] & (0x1<PIN[portNum]; - } - return ( regVal ); -} - -/***************************************************************************** -** Function name: GPIOSetBitValue -** -** Descriptions: Set/clear a bit in a specific position -** -** parameters: port num, bit position, bit value -** -** Returned value: None -** -*****************************************************************************/ -void GPIOSetBitValue( uint32_t portNum, uint32_t bitPosi, uint32_t bitVal ) -{ - if ( bitVal ) - { - LPC_GPIO->SET[portNum] = 1<CLR[portNum] = 1<DIR[portNum] |= (1<DIR[portNum] &= ~(1<IST & (0x1<<0) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<0) ) + { + flex_int0_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<0) ) + { + flex_int0_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<0; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<0) ) + { + flex_int0_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<0; + } + LPC_GPIO_PIN_INT->IST = 0x1<<0; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT1_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT1_IRQHandler(void) +{ + flex_int1_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<1) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<1) ) + { + flex_int1_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<1) ) + { + flex_int1_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<1; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<1) ) + { + flex_int1_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<1; + } + LPC_GPIO_PIN_INT->IST = 0x1<<1; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT2_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT2_IRQHandler(void) +{ + flex_int2_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<2) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<2) ) + { + flex_int2_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<2) ) + { + flex_int2_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<2; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<2) ) + { + flex_int2_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<2; + } + LPC_GPIO_PIN_INT->IST = 0x1<<2; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT3_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT3_IRQHandler(void) +{ + flex_int3_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<3) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<3) ) + { + flex_int3_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<3) ) + { + flex_int3_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<3; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<3) ) + { + flex_int3_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<3; + } + LPC_GPIO_PIN_INT->IST = 0x1<<3; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT4_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT4_IRQHandler(void) +{ + flex_int4_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<4) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<4) ) + { + flex_int4_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<4) ) + { + flex_int4_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<4; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<4) ) + { + flex_int4_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<4; + } + LPC_GPIO_PIN_INT->IST = 0x1<<4; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT5_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT5_IRQHandler(void) +{ + flex_int5_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<5) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<5) ) + { + flex_int5_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<5) ) + { + flex_int5_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<5; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<5) ) + { + flex_int5_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<5; + } + LPC_GPIO_PIN_INT->IST = 0x1<<5; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT6_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT6_IRQHandler(void) +{ + flex_int6_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<6) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<6) ) + { + flex_int6_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<6) ) + { + flex_int6_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<6; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<6) ) + { + flex_int6_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<6; + } + LPC_GPIO_PIN_INT->IST = 0x1<<6; + } + } + return; +} + +/***************************************************************************** +** Function name: FLEX_INT7_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void FLEX_INT7_IRQHandler(void) +{ + flex_int7_counter++; + if ( LPC_GPIO_PIN_INT->IST & (0x1<<7) ) + { + if ( LPC_GPIO_PIN_INT->ISEL & (0x1<<7) ) + { + flex_int7_level_counter++; + } + else + { + if ( LPC_GPIO_PIN_INT->RISE & (0x1<<7) ) + { + flex_int7_rising_edge_counter++; + LPC_GPIO_PIN_INT->RISE = 0x1<<7; + } + else if ( LPC_GPIO_PIN_INT->FALL & (0x1<<7) ) + { + flex_int7_falling_edge_counter++; + LPC_GPIO_PIN_INT->FALL = 0x1<<7; + } + LPC_GPIO_PIN_INT->IST = 0x1<<7; + } + } + return; +} + +/***************************************************************************** +** Function name: GINT0_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void GINT0_IRQHandler(void) +{ + gint0_counter++; + if ( LPC_GPIO_GROUP_INT0->CTRL & 0x1 ) + { + if ( LPC_GPIO_GROUP_INT0->CTRL & (0x1<<4) ) + { + gint0_level_counter++; + } + else + { + gint0_edge_counter++; + } + LPC_GPIO_GROUP_INT0->CTRL |= 0x1; + } + return; +} + +/***************************************************************************** +** Function name: GINT1_IRQHandler +** +** Descriptions: Use one GPIO pin as interrupt source +** +** parameters: None +** +** Returned value: None +** +*****************************************************************************/ +void GINT1_IRQHandler(void) +{ + gint1_counter++; + if ( LPC_GPIO_GROUP_INT1->CTRL & 0x1 ) + { + if ( LPC_GPIO_GROUP_INT1->CTRL & (0x1<<4) ) + { + gint1_level_counter++; + } + else + { + gint1_edge_counter++; + } + LPC_GPIO_GROUP_INT1->CTRL |= 0x1; + } + return; +} + +/***************************************************************************** +** Function name: GPIOInit +** +** Descriptions: Initialize GPIO, install the +** GPIO interrupt handler +** +** parameters: None +** +** Returned value: true or false, return false if the VIC table +** is full and GPIO interrupt handler can be +** installed. +** +*****************************************************************************/ +void GPIOInit( void ) +{ + /* Enable AHB clock to the GPIO domain. */ + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6); + + /* Enable AHB clock to the FlexInt, GroupedInt domain. */ + LPC_SYSCON->SYSAHBCLKCTRL |= ((1<<19) | (1<<23) | (1<<24)); + + return; +} + +/***************************************************************************** +** Function name: GPIOSetFlexInterrupt +** +** Descriptions: Set interrupt sense, event, etc. +** sense: edge or level, 0 is edge, 1 is level +** event/polarity: 0 is active low/falling, 1 is high/rising. +** +** parameters: channel #, port #, bit position, sense, event(polarity) +** +** Returned value: None +** +*****************************************************************************/ +void GPIOSetFlexInterrupt( uint32_t channelNum, uint32_t portNum, uint32_t bitPosi, + uint32_t sense, uint32_t event ) +{ + switch ( channelNum ) + { + case CHANNEL0: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[0] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[0] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT0_IRQn); + break; + case CHANNEL1: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[1] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[1] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT1_IRQn); + break; + case CHANNEL2: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[2] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[2] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT2_IRQn); + break; + case CHANNEL3: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[3] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[3] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT3_IRQn); + break; + case CHANNEL4: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[4] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[4] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT4_IRQn); + break; + case CHANNEL5: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[5] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[5] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT5_IRQn); + break; + case CHANNEL6: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[6] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[6] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT6_IRQn); + break; + case CHANNEL7: + if ( portNum ) + { + LPC_SYSCON->PINTSEL[7] = bitPosi + 24; + } + else + { + LPC_SYSCON->PINTSEL[7] = bitPosi; + } + NVIC_EnableIRQ(FLEX_INT7_IRQn); + break; + default: + break; + } + if ( sense == 0 ) + { + LPC_GPIO_PIN_INT->ISEL &= ~(0x1<IENF |= (0x1<IENR |= (0x1<ISEL |= (0x1<IENR |= (0x1<IENF &= ~(0x1<IENF |= (0x1<ISEL & (0x1<SIENF |= (0x1<SIENR |= (0x1<SIENR |= (0x1<ISEL & (0x1<CIENF |= (0x1<CIENR |= (0x1<CIENR |= (0x1<IST & (0x1<ISEL & (0x1<IST = (1<CTRL &= ~(0x1<<2); /* Edge trigger */ + } + else + { + LPC_GPIO_GROUP_INT0->CTRL |= (0x1<<2); /* Level trigger. */ + } + LPC_GPIO_GROUP_INT0->CTRL |= (logic<<1); + LPC_GPIO_GROUP_INT0->PORT_POL[0] = *((uint32_t *)(eventPattern + 0)); + LPC_GPIO_GROUP_INT0->PORT_POL[1] = *((uint32_t *)(eventPattern + 1)); + LPC_GPIO_GROUP_INT0->PORT_ENA[0] = *((uint32_t *)(bitPattern + 0)); + LPC_GPIO_GROUP_INT0->PORT_ENA[1] = *((uint32_t *)(bitPattern + 1)); + /* as soon as enabled, an edge may be generated */ + /* clear interrupt flag and NVIC pending interrupt to */ + /* workaround the potential edge generated as enabled */ + LPC_GPIO_GROUP_INT0->CTRL |= (1<<0); + NVIC_ClearPendingIRQ(GINT0_IRQn); + NVIC_EnableIRQ(GINT0_IRQn); + break; + case GROUP1: + if ( sense == 0 ) + { + LPC_GPIO_GROUP_INT1->CTRL &= ~(0x1<<2); /* Edge trigger */ + } + else + { + LPC_GPIO_GROUP_INT1->CTRL |= (0x1<<2); /* Level trigger. */ + } + LPC_GPIO_GROUP_INT1->CTRL |= (logic<<1); + LPC_GPIO_GROUP_INT1->PORT_POL[0] = *((uint32_t *)(eventPattern + 0)); + LPC_GPIO_GROUP_INT1->PORT_POL[1] = *((uint32_t *)(eventPattern + 1)); + LPC_GPIO_GROUP_INT1->PORT_ENA[0] = *((uint32_t *)(bitPattern + 0)); + LPC_GPIO_GROUP_INT1->PORT_ENA[1] = *((uint32_t *)(bitPattern + 1)); + /* as soon as enabled, an edge may be generated */ + /* clear interrupt flag and NVIC pending interrupt to */ + /* workaround the potential edge generated as enabled */ + LPC_GPIO_GROUP_INT1->CTRL |= (1<<0); + NVIC_ClearPendingIRQ(GINT1_IRQn); + NVIC_EnableIRQ(GINT1_IRQn); + break; + default: + break; + } + + return; +} + +/***************************************************************************** +** Function name: GPIOGetPinValue +** +** Descriptions: Read Current state of port pin, PIN register value +** +** parameters: port num, bit position +** Returned value: None +** +*****************************************************************************/ +uint32_t GPIOGetPinValue( uint32_t portNum, uint32_t bitPosi ) +{ + uint32_t regVal = 0; + + if( bitPosi < 0x20 ) + { + if ( LPC_GPIO->PIN[portNum] & (0x1<PIN[portNum]; + } + return ( regVal ); +} + +/***************************************************************************** +** Function name: GPIOSetBitValue +** +** Descriptions: Set/clear a bit in a specific position +** +** parameters: port num, bit position, bit value +** +** Returned value: None +** +*****************************************************************************/ +void GPIOSetBitValue( uint32_t portNum, uint32_t bitPosi, uint32_t bitVal ) +{ + if ( bitVal ) + { + LPC_GPIO->SET[portNum] = 1<CLR[portNum] = 1<DIR[portNum] |= (1<DIR[portNum] &= ~(1< -#include "LPC11Uxx.h" -#include "lpc11uxx_uart.h" - -volatile uint32_t UARTStatus; -volatile uint8_t UARTTxEmpty = 1; -volatile uint8_t UARTBuffer[BUFSIZE]; -volatile uint32_t UARTCount = 0; - -/***************************************************************************** -** Function name: UART_IRQHandler -** -** Descriptions: UART interrupt handler -** -** parameters: None -** Returned value: None -** -*****************************************************************************/ -void UART_IRQHandler(void) -{ - uint8_t IIRValue, LSRValue; - uint8_t Dummy = Dummy; - - IIRValue = LPC_USART->IIR; - - IIRValue >>= 1; /* skip pending bit in IIR */ - IIRValue &= 0x07; /* check bit 1~3, interrupt identification */ - if (IIRValue == IIR_RLS) /* Receive Line Status */ - { - LSRValue = LPC_USART->LSR; - /* Receive Line Status */ - if (LSRValue & (LSR_OE | LSR_PE | LSR_FE | LSR_RXFE | LSR_BI)) - { - /* There are errors or break interrupt */ - /* Read LSR will clear the interrupt */ - UARTStatus = LSRValue; - Dummy = LPC_USART->RBR; /* Dummy read on RX to clear - interrupt, then bail out */ - return; - } - if (LSRValue & LSR_RDR) /* Receive Data Ready */ - { - /* If no error on RLS, normal ready, save into the data buffer. */ - /* Note: read RBR will clear the interrupt */ - UARTBuffer[UARTCount++] = LPC_USART->RBR; - if (UARTCount == BUFSIZE) - { - UARTCount = 0; /* buffer overflow */ - } - } - } - else if (IIRValue == IIR_RDA) /* Receive Data Available */ - { - /* Receive Data Available */ - UARTBuffer[UARTCount++] = LPC_USART->RBR; - if (UARTCount == BUFSIZE) - { - UARTCount = 0; /* buffer overflow */ - } - } - else if (IIRValue == IIR_CTI) /* Character timeout indicator */ - { - /* Character Time-out indicator */ - UARTStatus |= 0x100; /* Bit 9 as the CTI error */ - } - else if (IIRValue == IIR_THRE) /* THRE, transmit holding register empty */ - { - /* THRE interrupt */ - LSRValue = LPC_USART->LSR; /* Check status in the LSR to see if - valid data in U0THR or not */ - if (LSRValue & LSR_THRE) - { - UARTTxEmpty = 1; - } - else - { - UARTTxEmpty = 0; - } - } - return; -} - -#if MODEM_TEST -/***************************************************************************** -** Function name: ModemInit -** -** Descriptions: Initialize UART0 port as modem, setup pin select. -** -** parameters: None -** Returned value: None -** -*****************************************************************************/ -void ModemInit( void ) -{ - LPC_IOCON->PIO2_0 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO2_0 |= 0x01; /* UART DTR */ - LPC_IOCON->PIO0_7 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO0_7 |= 0x01; /* UART CTS */ - LPC_IOCON->PIO1_5 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO1_5 |= 0x01; /* UART RTS */ -#if 1 - LPC_IOCON->DSR_LOC = 0; - LPC_IOCON->PIO2_1 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO2_1 |= 0x01; /* UART DSR */ - - LPC_IOCON->DCD_LOC = 0; - LPC_IOCON->PIO2_2 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO2_2 |= 0x01; /* UART DCD */ - - LPC_IOCON->RI_LOC = 0; - LPC_IOCON->PIO2_3 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO2_3 |= 0x01; /* UART RI */ - -#else - LPC_IOCON->DSR_LOC = 1; - LPC_IOCON->PIO3_1 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO3_1 |= 0x01; /* UART DSR */ - - LPC_IOCON->DCD_LOC = 1; - LPC_IOCON->PIO3_2 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO3_2 |= 0x01; /* UART DCD */ - - LPC_IOCON->RI_LOC = 1; - LPC_IOCON->PIO3_3 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO3_3 |= 0x01; /* UART RI */ -#endif - LPC_USART->MCR = 0xC0; /* Enable Auto RTS and Auto CTS. */ - return; -} -#endif - -/***************************************************************************** -** Function name: UARTInit -** -** Descriptions: Initialize UART0 port, setup pin select, -** clock, parity, stop bits, FIFO, etc. -** -** parameters: UART baudrate -** Returned value: None -** -*****************************************************************************/ -void UARTInit(uint32_t baudrate) -{ - uint32_t Fdiv; - uint32_t regVal; - - UARTTxEmpty = 1; - UARTCount = 0; - - NVIC_DisableIRQ(UART_IRQn); - - LPC_IOCON->PIO0_18 &= ~0x07; /* UART I/O config */ - LPC_IOCON->PIO0_18 |= 0x01; /* UART RXD */ - LPC_IOCON->PIO0_19 &= ~0x07; - LPC_IOCON->PIO0_19 |= 0x01; /* UART TXD */ - /* Enable UART clock */ - LPC_SYSCON->SYSAHBCLKCTRL |= (1<<12); - LPC_SYSCON->UARTCLKDIV = 0x1; /* divided by 1 */ - - LPC_USART->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */ - regVal = LPC_SYSCON->UARTCLKDIV; - - Fdiv = (((SystemCoreClock*LPC_SYSCON->SYSAHBCLKDIV)/regVal)/16)/baudrate ; /*baud rate */ - - LPC_USART->DLM = Fdiv / 256; - LPC_USART->DLL = Fdiv % 256; - LPC_USART->LCR = 0x03; /* DLAB = 0 */ - LPC_USART->FCR = 0x07; /* Enable and reset TX and RX FIFO. */ - - /* Read to clear the line status. */ - regVal = LPC_USART->LSR; - - /* Ensure a clean start, no data in either TX or RX FIFO. */ -// CodeRed - added parentheses around comparison in operand of & - while (( LPC_USART->LSR & (LSR_THRE|LSR_TEMT)) != (LSR_THRE|LSR_TEMT) ); - while ( LPC_USART->LSR & LSR_RDR ) - { - regVal = LPC_USART->RBR; /* Dump data from RX FIFO */ - } - - /* Enable the UART Interrupt */ - NVIC_EnableIRQ(UART_IRQn); - -#if CONFIG_UART_ENABLE_INTERRUPT==1 -#if CONFIG_UART_ENABLE_TX_INTERRUPT==1 - LPC_USART->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART interrupt */ -#else - LPC_USART->IER = IER_RBR | IER_RLS; /* Enable UART interrupt */ -#endif -#endif - return; -} - -/***************************************************************************** -** Function name: UARTSend -** -** Descriptions: Send a block of data to the UART 0 port based -** on the data length -** -** parameters: buffer pointer, and data length -** Returned value: None -** -*****************************************************************************/ -void UARTSend(uint8_t *BufferPtr, uint32_t Length) -{ - - while ( Length != 0 ) - { - /* THRE status, contain valid data */ -#if CONFIG_UART_ENABLE_TX_INTERRUPT==1 - /* Below flag is set inside the interrupt handler when THRE occurs. */ - while ( !(UARTTxEmpty & 0x01) ); - LPC_USART->THR = *BufferPtr; - UARTTxEmpty = 0; /* not empty in the THR until it shifts out */ -#else - while ( !(LPC_USART->LSR & LSR_THRE) ); - LPC_USART->THR = *BufferPtr; -#endif - BufferPtr++; - Length--; - } - return; -} - -/****************************************************************************** -** End Of File -******************************************************************************/ +/***************************************************************************** + * uart.c: UART API file for NXP LPC11xx Family Microprocessors + * + * Copyright(C) 2008, NXP Semiconductor + * All rights reserved. + * + * History + * 2009.12.07 ver 1.00 Preliminary version, first Release + * +******************************************************************************/ + +#include +#include "LPC11Uxx.h" +#include "lpc11uxx_uart.h" + +volatile uint32_t UARTStatus; +volatile uint8_t UARTTxEmpty = 1; +volatile uint8_t UARTBuffer[BUFSIZE]; +volatile uint32_t UARTCount = 0; + +/***************************************************************************** +** Function name: UART_IRQHandler +** +** Descriptions: UART interrupt handler +** +** parameters: None +** Returned value: None +** +*****************************************************************************/ +void UART_IRQHandler(void) +{ + uint8_t IIRValue, LSRValue; + uint8_t Dummy = Dummy; + + IIRValue = LPC_USART->IIR; + + IIRValue >>= 1; /* skip pending bit in IIR */ + IIRValue &= 0x07; /* check bit 1~3, interrupt identification */ + if (IIRValue == IIR_RLS) /* Receive Line Status */ + { + LSRValue = LPC_USART->LSR; + /* Receive Line Status */ + if (LSRValue & (LSR_OE | LSR_PE | LSR_FE | LSR_RXFE | LSR_BI)) + { + /* There are errors or break interrupt */ + /* Read LSR will clear the interrupt */ + UARTStatus = LSRValue; + Dummy = LPC_USART->RBR; /* Dummy read on RX to clear + interrupt, then bail out */ + return; + } + if (LSRValue & LSR_RDR) /* Receive Data Ready */ + { + /* If no error on RLS, normal ready, save into the data buffer. */ + /* Note: read RBR will clear the interrupt */ + UARTBuffer[UARTCount++] = LPC_USART->RBR; + if (UARTCount == BUFSIZE) + { + UARTCount = 0; /* buffer overflow */ + } + } + } + else if (IIRValue == IIR_RDA) /* Receive Data Available */ + { + /* Receive Data Available */ + UARTBuffer[UARTCount++] = LPC_USART->RBR; + if (UARTCount == BUFSIZE) + { + UARTCount = 0; /* buffer overflow */ + } + } + else if (IIRValue == IIR_CTI) /* Character timeout indicator */ + { + /* Character Time-out indicator */ + UARTStatus |= 0x100; /* Bit 9 as the CTI error */ + } + else if (IIRValue == IIR_THRE) /* THRE, transmit holding register empty */ + { + /* THRE interrupt */ + LSRValue = LPC_USART->LSR; /* Check status in the LSR to see if + valid data in U0THR or not */ + if (LSRValue & LSR_THRE) + { + UARTTxEmpty = 1; + } + else + { + UARTTxEmpty = 0; + } + } + return; +} + +#if MODEM_TEST +/***************************************************************************** +** Function name: ModemInit +** +** Descriptions: Initialize UART0 port as modem, setup pin select. +** +** parameters: None +** Returned value: None +** +*****************************************************************************/ +void ModemInit( void ) +{ + LPC_IOCON->PIO2_0 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO2_0 |= 0x01; /* UART DTR */ + LPC_IOCON->PIO0_7 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO0_7 |= 0x01; /* UART CTS */ + LPC_IOCON->PIO1_5 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO1_5 |= 0x01; /* UART RTS */ +#if 1 + LPC_IOCON->DSR_LOC = 0; + LPC_IOCON->PIO2_1 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO2_1 |= 0x01; /* UART DSR */ + + LPC_IOCON->DCD_LOC = 0; + LPC_IOCON->PIO2_2 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO2_2 |= 0x01; /* UART DCD */ + + LPC_IOCON->RI_LOC = 0; + LPC_IOCON->PIO2_3 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO2_3 |= 0x01; /* UART RI */ + +#else + LPC_IOCON->DSR_LOC = 1; + LPC_IOCON->PIO3_1 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO3_1 |= 0x01; /* UART DSR */ + + LPC_IOCON->DCD_LOC = 1; + LPC_IOCON->PIO3_2 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO3_2 |= 0x01; /* UART DCD */ + + LPC_IOCON->RI_LOC = 1; + LPC_IOCON->PIO3_3 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO3_3 |= 0x01; /* UART RI */ +#endif + LPC_USART->MCR = 0xC0; /* Enable Auto RTS and Auto CTS. */ + return; +} +#endif + +/***************************************************************************** +** Function name: UARTInit +** +** Descriptions: Initialize UART0 port, setup pin select, +** clock, parity, stop bits, FIFO, etc. +** +** parameters: UART baudrate +** Returned value: None +** +*****************************************************************************/ +void UARTInit(uint32_t baudrate) +{ + uint32_t Fdiv; + uint32_t regVal; + + UARTTxEmpty = 1; + UARTCount = 0; + + NVIC_DisableIRQ(UART_IRQn); + + LPC_IOCON->PIO0_18 &= ~0x07; /* UART I/O config */ + LPC_IOCON->PIO0_18 |= 0x01; /* UART RXD */ + LPC_IOCON->PIO0_19 &= ~0x07; + LPC_IOCON->PIO0_19 |= 0x01; /* UART TXD */ + /* Enable UART clock */ + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<12); + LPC_SYSCON->UARTCLKDIV = 0x1; /* divided by 1 */ + + LPC_USART->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */ + regVal = LPC_SYSCON->UARTCLKDIV; + + Fdiv = (((SystemCoreClock*LPC_SYSCON->SYSAHBCLKDIV)/regVal)/16)/baudrate ; /*baud rate */ + + LPC_USART->DLM = Fdiv / 256; + LPC_USART->DLL = Fdiv % 256; + LPC_USART->LCR = 0x03; /* DLAB = 0 */ + LPC_USART->FCR = 0x07; /* Enable and reset TX and RX FIFO. */ + + /* Read to clear the line status. */ + regVal = LPC_USART->LSR; + + /* Ensure a clean start, no data in either TX or RX FIFO. */ +// CodeRed - added parentheses around comparison in operand of & + while (( LPC_USART->LSR & (LSR_THRE|LSR_TEMT)) != (LSR_THRE|LSR_TEMT) ); + while ( LPC_USART->LSR & LSR_RDR ) + { + regVal = LPC_USART->RBR; /* Dump data from RX FIFO */ + } + + /* Enable the UART Interrupt */ + NVIC_EnableIRQ(UART_IRQn); + +#if CONFIG_UART_ENABLE_INTERRUPT==1 +#if CONFIG_UART_ENABLE_TX_INTERRUPT==1 + LPC_USART->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART interrupt */ +#else + LPC_USART->IER = IER_RBR | IER_RLS; /* Enable UART interrupt */ +#endif +#endif + return; +} + +/***************************************************************************** +** Function name: UARTSend +** +** Descriptions: Send a block of data to the UART 0 port based +** on the data length +** +** parameters: buffer pointer, and data length +** Returned value: None +** +*****************************************************************************/ +void UARTSend(uint8_t *BufferPtr, uint32_t Length) +{ + + while ( Length != 0 ) + { + /* THRE status, contain valid data */ +#if CONFIG_UART_ENABLE_TX_INTERRUPT==1 + /* Below flag is set inside the interrupt handler when THRE occurs. */ + while ( !(UARTTxEmpty & 0x01) ); + LPC_USART->THR = *BufferPtr; + UARTTxEmpty = 0; /* not empty in the THR until it shifts out */ +#else + while ( !(LPC_USART->LSR & LSR_THRE) ); + LPC_USART->THR = *BufferPtr; +#endif + BufferPtr++; + Length--; + } + return; +} + +/****************************************************************************** +** End Of File +******************************************************************************/ diff --git a/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_uart.h b/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_uart.h index 9f00ab8af..c5f31f7b0 100644 --- a/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_uart.h +++ b/demos/bsp/lpc11uxx/LPC11Uxx_DriverLib/lpc11uxx_uart.h @@ -1,55 +1,55 @@ -/***************************************************************************** - * uart.h: Header file for NXP LPC1xxx Family Microprocessors - * - * Copyright(C) 2008, NXP Semiconductor - * All rights reserved. - * - * History - * 2009.12.07 ver 1.00 Preliminary version, first Release - * -******************************************************************************/ -#ifndef __UART_H -#define __UART_H - -#define RS485_ENABLED 0 -#define TX_INTERRUPT 0 /* 0 if TX uses polling, 1 interrupt driven. */ -#define MODEM_TEST 0 - -#define IER_RBR 0x01 -#define IER_THRE 0x02 -#define IER_RLS 0x04 - -#define IIR_PEND 0x01 -#define IIR_RLS 0x03 -#define IIR_RDA 0x02 -#define IIR_CTI 0x06 -#define IIR_THRE 0x01 - -#define LSR_RDR 0x01 -#define LSR_OE 0x02 -#define LSR_PE 0x04 -#define LSR_FE 0x08 -#define LSR_BI 0x10 -#define LSR_THRE 0x20 -#define LSR_TEMT 0x40 -#define LSR_RXFE 0x80 - -#define BUFSIZE 0x40 - -/* RS485 mode definition. */ -#define RS485_NMMEN (0x1<<0) -#define RS485_RXDIS (0x1<<1) -#define RS485_AADEN (0x1<<2) -#define RS485_SEL (0x1<<3) -#define RS485_DCTRL (0x1<<4) -#define RS485_OINV (0x1<<5) - -void ModemInit( void ); -void UARTInit(uint32_t Baudrate); -void UART_IRQHandler(void); -void UARTSend(uint8_t *BufferPtr, uint32_t Length); - -#endif /* end __UART_H */ -/***************************************************************************** -** End Of File -******************************************************************************/ +/***************************************************************************** + * uart.h: Header file for NXP LPC1xxx Family Microprocessors + * + * Copyright(C) 2008, NXP Semiconductor + * All rights reserved. + * + * History + * 2009.12.07 ver 1.00 Preliminary version, first Release + * +******************************************************************************/ +#ifndef __UART_H +#define __UART_H + +#define RS485_ENABLED 0 +#define TX_INTERRUPT 0 /* 0 if TX uses polling, 1 interrupt driven. */ +#define MODEM_TEST 0 + +#define IER_RBR 0x01 +#define IER_THRE 0x02 +#define IER_RLS 0x04 + +#define IIR_PEND 0x01 +#define IIR_RLS 0x03 +#define IIR_RDA 0x02 +#define IIR_CTI 0x06 +#define IIR_THRE 0x01 + +#define LSR_RDR 0x01 +#define LSR_OE 0x02 +#define LSR_PE 0x04 +#define LSR_FE 0x08 +#define LSR_BI 0x10 +#define LSR_THRE 0x20 +#define LSR_TEMT 0x40 +#define LSR_RXFE 0x80 + +#define BUFSIZE 0x40 + +/* RS485 mode definition. */ +#define RS485_NMMEN (0x1<<0) +#define RS485_RXDIS (0x1<<1) +#define RS485_AADEN (0x1<<2) +#define RS485_SEL (0x1<<3) +#define RS485_DCTRL (0x1<<4) +#define RS485_OINV (0x1<<5) + +void ModemInit( void ); +void UARTInit(uint32_t Baudrate); +void UART_IRQHandler(void); +void UARTSend(uint8_t *BufferPtr, uint32_t Length); + +#endif /* end __UART_H */ +/***************************************************************************** +** End Of File +******************************************************************************/ diff --git a/demos/device/device_os_none/device_os_none.ewp b/demos/device/device_os_none/device_os_none.ewp index fc7810f2b..6ba3e7394 100644 --- a/demos/device/device_os_none/device_os_none.ewp +++ b/demos/device/device_os_none/device_os_none.ewp @@ -2984,7 +2984,7 @@