264 lines
9.8 KiB
C
264 lines
9.8 KiB
C
|
/**********************************************************************
|
|||
|
|
* $Id$ lpc43xx_evrt.c 2011-06-02
|
|||
|
|
*//**
|
|||
|
|
* @file lpc43xx_evrt.c
|
|||
|
|
* @brief Contains all functions support for Event Router firmware
|
|||
|
|
* library on lpc43xx
|
|||
|
|
* @version 1.0
|
|||
|
|
* @date 02. June. 2011
|
|||
|
|
* @author NXP MCU SW Application Team
|
|||
|
|
*
|
|||
|
|
* Copyright(C) 2011, NXP Semiconductor
|
|||
|
|
* All rights reserved.
|
|||
|
|
*
|
|||
|
|
***********************************************************************
|
|||
|
|
* 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.
|
|||
|
|
* Permission to use, copy, modify, and distribute this software and its
|
|||
|
|
* documentation is hereby granted, under NXP Semiconductors<EFBFBD>
|
|||
|
|
* relevant copyright in the software, without fee, provided that it
|
|||
|
|
* is used in conjunction with NXP Semiconductors microcontrollers. This
|
|||
|
|
* copyright, permission, and disclaimer notice must appear in all copies of
|
|||
|
|
* this code.
|
|||
|
|
**********************************************************************/
|
|||
|
|
|
|||
|
|
/* Peripheral group ----------------------------------------------------------- */
|
|||
|
|
/** @addtogroup EVRT
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/* Includes ------------------------------------------------------------------- */
|
|||
|
|
#include "lpc43xx_evrt.h"
|
|||
|
|
|
|||
|
|
/* If this source file built with example, the lpc43xx FW library configuration
|
|||
|
|
* file in each example directory ("lpc43xx_libcfg.h") must be included,
|
|||
|
|
* otherwise the default FW library configuration file must be included instead
|
|||
|
|
*/
|
|||
|
|
#ifdef __BUILD_WITH_EXAMPLE__
|
|||
|
|
#include "lpc43xx_libcfg.h"
|
|||
|
|
#else
|
|||
|
|
#include "lpc43xx_libcfg_default.h"
|
|||
|
|
#endif /* __BUILD_WITH_EXAMPLE__ */
|
|||
|
|
|
|||
|
|
/* Public Functions ----------------------------------------------------------- */
|
|||
|
|
/** @addtogroup EVRT_Public_Functions
|
|||
|
|
* @{
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/********************************************************************//**
|
|||
|
|
* @brief Initializes the EVRT peripheral.
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT
|
|||
|
|
* @return None
|
|||
|
|
*********************************************************************/
|
|||
|
|
void EVRT_Init (LPC_EVENTROUTER_Type *EVRTx)
|
|||
|
|
{
|
|||
|
|
uint8_t i=0;
|
|||
|
|
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
|
|||
|
|
// Clear all register to be default
|
|||
|
|
EVRTx->HILO = 0x0000;
|
|||
|
|
EVRTx->EDGE = 0x0000;
|
|||
|
|
EVRTx->CLR_EN = 0xFFFF;
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
i++;
|
|||
|
|
EVRTx->CLR_STAT = 0xFFFFF;
|
|||
|
|
}while((EVRTx->STATUS != 0)&&(i<10));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*********************************************************************//**
|
|||
|
|
* @brief De-initializes the EVRT peripheral registers to their
|
|||
|
|
* default reset values.
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT
|
|||
|
|
* @return None
|
|||
|
|
**********************************************************************/
|
|||
|
|
void EVRT_DeInit(LPC_EVENTROUTER_Type *EVRTx)
|
|||
|
|
{
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
|
|||
|
|
EVRTx->CLR_EN = 0xFFFF;
|
|||
|
|
EVRTx->CLR_STAT = 0xFFFF;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*********************************************************************//**
|
|||
|
|
* @brief Setting up the type of interrupt sources to EVRT
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT
|
|||
|
|
* @param[in] EVRT_Src EVRT source, should be:
|
|||
|
|
* - EVRT_SRC_WAKEUP0 :WAKEUP0 event
|
|||
|
|
* - EVRT_SRC_WAKEUP1 :WAKEUP1 event
|
|||
|
|
* - EVRT_SRC_WAKEUP2 :WAKEUP2 event
|
|||
|
|
* - EVRT_SRC_WAKEUP3 :WAKEUP3 event
|
|||
|
|
* - EVRT_SRC_ATIMER :Alarm timer eveny
|
|||
|
|
* - EVRT_SRC_RTC :RTC event
|
|||
|
|
* - EVRT_SRC_BOD :BOD event
|
|||
|
|
* - EVRT_SRC_WWDT :WWDT event
|
|||
|
|
* - EVRT_SRC_ETHERNET :ETHERNET event
|
|||
|
|
* - EVRT_SRC_USB0 :USB0 event
|
|||
|
|
* - EVRT_SRC_USB1 :USB1 event
|
|||
|
|
* - EVRT_SRC_CCAN :CCAN event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event
|
|||
|
|
* - EVRT_SRC_QEI :QEI event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event
|
|||
|
|
* - EVRT_SRC_RESET :RESET event
|
|||
|
|
* type Active type, should be:
|
|||
|
|
* - EVRT_SRC_ACTIVE_LOW_LEVEL :Active low level
|
|||
|
|
* - EVRT_SRC_ACTIVE_HIGH_LEVEL :Active high level
|
|||
|
|
* - EVRT_SRC_ACTIVE_FALLING_EDGE :Active falling edge
|
|||
|
|
* - EVRT_SRC_ACTIVE_RISING_EDGE :Active rising edge
|
|||
|
|
* @param[in] type EVRT source active type, should be:
|
|||
|
|
* - EVRT_SRC_ACTIVE_LOW_LEVEL :Active low level
|
|||
|
|
* - EVRT_SRC_ACTIVE_HIGH_LEVEL :Active high level
|
|||
|
|
* - EVRT_SRC_ACTIVE_FALLING_EDGE :Active falling edge
|
|||
|
|
* - EVRT_SRC_ACTIVE_RISING_EDGE :Active rising edge
|
|||
|
|
* @return None
|
|||
|
|
**********************************************************************/
|
|||
|
|
void EVRT_ConfigIntSrcActiveType(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src, EVRT_SRC_ACTIVE_TYPE type)
|
|||
|
|
{
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src));
|
|||
|
|
CHECK_PARAM(PARAM_EVRT_SOURCE_ACTIVE_TYPE(type));
|
|||
|
|
|
|||
|
|
switch (type)
|
|||
|
|
{
|
|||
|
|
case EVRT_SRC_ACTIVE_LOW_LEVEL:
|
|||
|
|
EVRTx->HILO &= ~(1<<(uint8_t)EVRT_Src);
|
|||
|
|
EVRTx->EDGE &= ~(1<<(uint8_t)EVRT_Src);
|
|||
|
|
break;
|
|||
|
|
case EVRT_SRC_ACTIVE_HIGH_LEVEL:
|
|||
|
|
EVRTx->HILO |= (1<<(uint8_t)EVRT_Src);
|
|||
|
|
EVRTx->EDGE &= ~(1<<(uint8_t)EVRT_Src);
|
|||
|
|
break;
|
|||
|
|
case EVRT_SRC_ACTIVE_FALLING_EDGE:
|
|||
|
|
EVRTx->HILO &= ~(1<<(uint8_t)EVRT_Src);
|
|||
|
|
EVRTx->EDGE |= (1<<(uint8_t)EVRT_Src);
|
|||
|
|
break;
|
|||
|
|
case EVRT_SRC_ACTIVE_RISING_EDGE:
|
|||
|
|
EVRTx->HILO |= (1<<(uint8_t)EVRT_Src);
|
|||
|
|
EVRTx->EDGE |= (1<<(uint8_t)EVRT_Src);
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*********************************************************************//**
|
|||
|
|
* @brief Enable or disable interrupt sources to EVRT
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT
|
|||
|
|
* @param[in] EVRT_Src EVRT source, should be:
|
|||
|
|
* - EVRT_SRC_WAKEUP0 :WAKEUP0 event
|
|||
|
|
* - EVRT_SRC_WAKEUP1 :WAKEUP1 event
|
|||
|
|
* - EVRT_SRC_WAKEUP2 :WAKEUP2 event
|
|||
|
|
* - EVRT_SRC_WAKEUP3 :WAKEUP3 event
|
|||
|
|
* - EVRT_SRC_ATIMER :Alarm timer eveny
|
|||
|
|
* - EVRT_SRC_RTC :RTC event
|
|||
|
|
* - EVRT_SRC_BOD :BOD event
|
|||
|
|
* - EVRT_SRC_WWDT :WWDT event
|
|||
|
|
* - EVRT_SRC_ETHERNET :ETHERNET event
|
|||
|
|
* - EVRT_SRC_USB0 :USB0 event
|
|||
|
|
* - EVRT_SRC_USB1 :USB1 event
|
|||
|
|
* - EVRT_SRC_CCAN :CCAN event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event
|
|||
|
|
* - EVRT_SRC_QEI :QEI event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event
|
|||
|
|
* - EVRT_SRC_RESET :RESET event
|
|||
|
|
* @param[in] state ENABLE or DISABLE
|
|||
|
|
* @return None
|
|||
|
|
**********************************************************************/
|
|||
|
|
void EVRT_SetUpIntSrc(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src, FunctionalState state)
|
|||
|
|
{
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src));
|
|||
|
|
|
|||
|
|
if(state == ENABLE)
|
|||
|
|
EVRTx->SET_EN = (1<<(uint8_t)EVRT_Src);
|
|||
|
|
else
|
|||
|
|
EVRTx->CLR_EN = (1<<(uint8_t)EVRT_Src);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*********************************************************************//**
|
|||
|
|
* @brief Check if a source is sending interrupt to EVRT
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT
|
|||
|
|
* @param[in] EVRT_Src EVRT source, should be:
|
|||
|
|
* - EVRT_SRC_WAKEUP0 :WAKEUP0 event
|
|||
|
|
* - EVRT_SRC_WAKEUP1 :WAKEUP1 event
|
|||
|
|
* - EVRT_SRC_WAKEUP2 :WAKEUP2 event
|
|||
|
|
* - EVRT_SRC_WAKEUP3 :WAKEUP3 event
|
|||
|
|
* - EVRT_SRC_ATIMER :Alarm timer eveny
|
|||
|
|
* - EVRT_SRC_RTC :RTC event
|
|||
|
|
* - EVRT_SRC_BOD :BOD event
|
|||
|
|
* - EVRT_SRC_WWDT :WWDT event
|
|||
|
|
* - EVRT_SRC_ETHERNET :ETHERNET event
|
|||
|
|
* - EVRT_SRC_USB0 :USB0 event
|
|||
|
|
* - EVRT_SRC_USB1 :USB1 event
|
|||
|
|
* - EVRT_SRC_CCAN :CCAN event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event
|
|||
|
|
* - EVRT_SRC_QEI :QEI event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event
|
|||
|
|
* - EVRT_SRC_RESET :RESET event
|
|||
|
|
* @return TRUE or FALSE
|
|||
|
|
**********************************************************************/
|
|||
|
|
Bool EVRT_IsSourceInterrupting(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src)
|
|||
|
|
{
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src));
|
|||
|
|
|
|||
|
|
if(EVRTx->STATUS & (1<<(uint8_t)EVRT_Src))
|
|||
|
|
return TRUE;
|
|||
|
|
else return FALSE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*********************************************************************//**
|
|||
|
|
* @brief Clear pending interrupt EVRT source
|
|||
|
|
* @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT
|
|||
|
|
* @param[in] EVRT_Src EVRT source, should be:
|
|||
|
|
* - EVRT_SRC_WAKEUP0 :WAKEUP0 event
|
|||
|
|
* - EVRT_SRC_WAKEUP1 :WAKEUP1 event
|
|||
|
|
* - EVRT_SRC_WAKEUP2 :WAKEUP2 event
|
|||
|
|
* - EVRT_SRC_WAKEUP3 :WAKEUP3 event
|
|||
|
|
* - EVRT_SRC_ATIMER :Alarm timer eveny
|
|||
|
|
* - EVRT_SRC_RTC :RTC event
|
|||
|
|
* - EVRT_SRC_BOD :BOD event
|
|||
|
|
* - EVRT_SRC_WWDT :WWDT event
|
|||
|
|
* - EVRT_SRC_ETHERNET :ETHERNET event
|
|||
|
|
* - EVRT_SRC_USB0 :USB0 event
|
|||
|
|
* - EVRT_SRC_USB1 :USB1 event
|
|||
|
|
* - EVRT_SRC_CCAN :CCAN event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event
|
|||
|
|
* - EVRT_SRC_QEI :QEI event
|
|||
|
|
* - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event
|
|||
|
|
* - EVRT_SRC_RESET :RESET event
|
|||
|
|
* @return none
|
|||
|
|
**********************************************************************/
|
|||
|
|
void EVRT_ClrPendIntSrc(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src)
|
|||
|
|
{
|
|||
|
|
CHECK_PARAM(PARAM_EVRTx(EVRTx));
|
|||
|
|
CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src));
|
|||
|
|
|
|||
|
|
EVRTx->CLR_STAT = (1<<(uint8_t)EVRT_Src);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/* --------------------------------- End Of File ------------------------------ */
|