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add lpc18 family

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This commit is contained in:
hathach
2021-03-03 16:03:21 +07:00
parent 7b162ec93f
commit 0dc1a3d3af
5 changed files with 63 additions and 20 deletions
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52
hw/bsp/lpc18/boards/mcb1800/board.h Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2021, Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#ifndef BOARD_H_
#define BOARD_H_
#ifdef __cplusplus
extern "C" {
#endif
// PD_10
#define LED_PORT 6
#define LED_PIN 24
// P4_0
#define BUTTON_PORT 2
#define BUTTON_PIN 0
#define UART_DEV LPC_USART3
#define UART_PORT 0x02
#define UART_PIN_TX 3
#define UART_PIN_RX 4
#ifdef __cplusplus
}
#endif
#endif

4
hw/bsp/lpc18/boards/mcb1800/board.mk Normal file
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LD_FILE = $(BOARD_PATH)/lpc1857.ld
# For flash-jlink target
JLINK_DEVICE = LPC1857

323
hw/bsp/lpc18/boards/mcb1800/lpc1857.ld Normal file
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/*
* GENERATED FILE - DO NOT EDIT
* (c) Code Red Technologies Ltd, 2008-2013
* (c) NXP Semiconductors 2013-2019
* Generated linker script file for LPC1857
* Created from linkscript.ldt by FMCreateLinkLibraries
* Using Freemarker v2.3.23
* MCUXpresso IDE v10.2.1 [Build 795] [2018-07-25] on May 15, 2019 1:01:52 PM
*/
MEMORY
{
/* Define each memory region */
MFlashA512 (rx) : ORIGIN = 0x1a000000, LENGTH = 0x80000 /* 512K bytes (alias Flash) */
MFlashB512 (rx) : ORIGIN = 0x1b000000, LENGTH = 0x80000 /* 512K bytes (alias Flash2) */
RamLoc32 (rwx) : ORIGIN = 0x10000000, LENGTH = 0x8000 /* 32K bytes (alias RAM) */
RamLoc40 (rwx) : ORIGIN = 0x10080000, LENGTH = 0xa000 /* 40K bytes (alias RAM2) */
RamAHB32 (rwx) : ORIGIN = 0x20000000, LENGTH = 0x8000 /* 32K bytes (alias RAM3) */
RamAHB16 (rwx) : ORIGIN = 0x20008000, LENGTH = 0x4000 /* 16K bytes (alias RAM4) */
RamAHB_ETB16 (rwx) : ORIGIN = 0x2000c000, LENGTH = 0x4000 /* 16K bytes (alias RAM5) */
}
/* Define a symbol for the top of each memory region */
__base_MFlashA512 = 0x1a000000 ; /* MFlashA512 */
__base_Flash = 0x1a000000 ; /* Flash */
__top_MFlashA512 = 0x1a000000 + 0x80000 ; /* 512K bytes */
__top_Flash = 0x1a000000 + 0x80000 ; /* 512K bytes */
__base_MFlashB512 = 0x1b000000 ; /* MFlashB512 */
__base_Flash2 = 0x1b000000 ; /* Flash2 */
__top_MFlashB512 = 0x1b000000 + 0x80000 ; /* 512K bytes */
__top_Flash2 = 0x1b000000 + 0x80000 ; /* 512K bytes */
__base_RamLoc32 = 0x10000000 ; /* RamLoc32 */
__base_RAM = 0x10000000 ; /* RAM */
__top_RamLoc32 = 0x10000000 + 0x8000 ; /* 32K bytes */
__top_RAM = 0x10000000 + 0x8000 ; /* 32K bytes */
__base_RamLoc40 = 0x10080000 ; /* RamLoc40 */
__base_RAM2 = 0x10080000 ; /* RAM2 */
__top_RamLoc40 = 0x10080000 + 0xa000 ; /* 40K bytes */
__top_RAM2 = 0x10080000 + 0xa000 ; /* 40K bytes */
__base_RamAHB32 = 0x20000000 ; /* RamAHB32 */
__base_RAM3 = 0x20000000 ; /* RAM3 */
__top_RamAHB32 = 0x20000000 + 0x8000 ; /* 32K bytes */
__top_RAM3 = 0x20000000 + 0x8000 ; /* 32K bytes */
__base_RamAHB16 = 0x20008000 ; /* RamAHB16 */
__base_RAM4 = 0x20008000 ; /* RAM4 */
__top_RamAHB16 = 0x20008000 + 0x4000 ; /* 16K bytes */
__top_RAM4 = 0x20008000 + 0x4000 ; /* 16K bytes */
__base_RamAHB_ETB16 = 0x2000c000 ; /* RamAHB_ETB16 */
__base_RAM5 = 0x2000c000 ; /* RAM5 */
__top_RamAHB_ETB16 = 0x2000c000 + 0x4000 ; /* 16K bytes */
__top_RAM5 = 0x2000c000 + 0x4000 ; /* 16K bytes */
ENTRY(ResetISR)
SECTIONS
{
.text_Flash2 : ALIGN(4)
{
FILL(0xff)
*(.text_Flash2*) /* for compatibility with previous releases */
*(.text_MFlashB512*) /* for compatibility with previous releases */
*(.text.$Flash2*)
*(.text.$MFlashB512*)
*(.rodata.$Flash2*)
*(.rodata.$MFlashB512*)
} > MFlashB512
/* MAIN TEXT SECTION */
.text : ALIGN(4)
{
FILL(0xff)
__vectors_start__ = ABSOLUTE(.) ;
KEEP(*(.isr_vector))
/* Global Section Table */
. = ALIGN(4) ;
__section_table_start = .;
__data_section_table = .;
LONG(LOADADDR(.data));
LONG( ADDR(.data));
LONG( SIZEOF(.data));
LONG(LOADADDR(.data_RAM2));
LONG( ADDR(.data_RAM2));
LONG( SIZEOF(.data_RAM2));
LONG(LOADADDR(.data_RAM3));
LONG( ADDR(.data_RAM3));
LONG( SIZEOF(.data_RAM3));
LONG(LOADADDR(.data_RAM4));
LONG( ADDR(.data_RAM4));
LONG( SIZEOF(.data_RAM4));
LONG(LOADADDR(.data_RAM5));
LONG( ADDR(.data_RAM5));
LONG( SIZEOF(.data_RAM5));
__data_section_table_end = .;
__bss_section_table = .;
LONG( ADDR(.bss));
LONG( SIZEOF(.bss));
LONG( ADDR(.bss_RAM2));
LONG( SIZEOF(.bss_RAM2));
LONG( ADDR(.bss_RAM3));
LONG( SIZEOF(.bss_RAM3));
LONG( ADDR(.bss_RAM4));
LONG( SIZEOF(.bss_RAM4));
LONG( ADDR(.bss_RAM5));
LONG( SIZEOF(.bss_RAM5));
__bss_section_table_end = .;
__section_table_end = . ;
/* End of Global Section Table */
*(.after_vectors*)
} > MFlashA512
.text : ALIGN(4)
{
*(.text*)
*(.rodata .rodata.* .constdata .constdata.*)
. = ALIGN(4);
} > MFlashA512
/*
* for exception handling/unwind - some Newlib functions (in common
* with C++ and STDC++) use this.
*/
.ARM.extab : ALIGN(4)
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > MFlashA512
__exidx_start = .;
.ARM.exidx : ALIGN(4)
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > MFlashA512
__exidx_end = .;
_etext = .;
/* DATA section for RamLoc40 */
.data_RAM2 : ALIGN(4)
{
FILL(0xff)
PROVIDE(__start_data_RAM2 = .) ;
*(.ramfunc.$RAM2)
*(.ramfunc.$RamLoc40)
*(.data.$RAM2*)
*(.data.$RamLoc40*)
. = ALIGN(4) ;
PROVIDE(__end_data_RAM2 = .) ;
} > RamLoc40 AT>MFlashA512
/* DATA section for RamAHB32 */
.data_RAM3 : ALIGN(4)
{
FILL(0xff)
PROVIDE(__start_data_RAM3 = .) ;
*(.ramfunc.$RAM3)
*(.ramfunc.$RamAHB32)
*(.data.$RAM3*)
*(.data.$RamAHB32*)
. = ALIGN(4) ;
PROVIDE(__end_data_RAM3 = .) ;
} > RamAHB32 AT>MFlashA512
/* DATA section for RamAHB16 */
.data_RAM4 : ALIGN(4)
{
FILL(0xff)
PROVIDE(__start_data_RAM4 = .) ;
*(.ramfunc.$RAM4)
*(.ramfunc.$RamAHB16)
*(.data.$RAM4*)
*(.data.$RamAHB16*)
. = ALIGN(4) ;
PROVIDE(__end_data_RAM4 = .) ;
} > RamAHB16 AT>MFlashA512
/* DATA section for RamAHB_ETB16 */
.data_RAM5 : ALIGN(4)
{
FILL(0xff)
PROVIDE(__start_data_RAM5 = .) ;
*(.ramfunc.$RAM5)
*(.ramfunc.$RamAHB_ETB16)
*(.data.$RAM5*)
*(.data.$RamAHB_ETB16*)
. = ALIGN(4) ;
PROVIDE(__end_data_RAM5 = .) ;
} > RamAHB_ETB16 AT>MFlashA512
/* MAIN DATA SECTION */
.uninit_RESERVED : ALIGN(4)
{
KEEP(*(.bss.$RESERVED*))
. = ALIGN(4) ;
_end_uninit_RESERVED = .;
} > RamLoc32
/* Main DATA section (RamLoc32) */
.data : ALIGN(4)
{
FILL(0xff)
_data = . ;
*(vtable)
*(.ramfunc*)
*(.data*)
. = ALIGN(4) ;
_edata = . ;
} > RamLoc32 AT>MFlashA512
/* BSS section for RamLoc40 */
.bss_RAM2 : ALIGN(4)
{
PROVIDE(__start_bss_RAM2 = .) ;
*(.bss.$RAM2*)
*(.bss.$RamLoc40*)
. = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
PROVIDE(__end_bss_RAM2 = .) ;
} > RamLoc40
/* BSS section for RamAHB32 */
.bss_RAM3 : ALIGN(4)
{
PROVIDE(__start_bss_RAM3 = .) ;
*(.bss.$RAM3*)
*(.bss.$RamAHB32*)
. = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
PROVIDE(__end_bss_RAM3 = .) ;
} > RamAHB32
/* BSS section for RamAHB16 */
.bss_RAM4 : ALIGN(4)
{
PROVIDE(__start_bss_RAM4 = .) ;
*(.bss.$RAM4*)
*(.bss.$RamAHB16*)
. = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
PROVIDE(__end_bss_RAM4 = .) ;
} > RamAHB16
/* BSS section for RamAHB_ETB16 */
.bss_RAM5 : ALIGN(4)
{
PROVIDE(__start_bss_RAM5 = .) ;
*(.bss.$RAM5*)
*(.bss.$RamAHB_ETB16*)
. = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
PROVIDE(__end_bss_RAM5 = .) ;
} > RamAHB_ETB16
/* MAIN BSS SECTION */
.bss : ALIGN(4)
{
_bss = .;
*(.bss*)
*(COMMON)
. = ALIGN(4) ;
_ebss = .;
PROVIDE(end = .);
} > RamLoc32
/* NOINIT section for RamLoc40 */
.noinit_RAM2 (NOLOAD) : ALIGN(4)
{
*(.noinit.$RAM2*)
*(.noinit.$RamLoc40*)
. = ALIGN(4) ;
} > RamLoc40
/* NOINIT section for RamAHB32 */
.noinit_RAM3 (NOLOAD) : ALIGN(4)
{
*(.noinit.$RAM3*)
*(.noinit.$RamAHB32*)
. = ALIGN(4) ;
} > RamAHB32
/* NOINIT section for RamAHB16 */
.noinit_RAM4 (NOLOAD) : ALIGN(4)
{
*(.noinit.$RAM4*)
*(.noinit.$RamAHB16*)
. = ALIGN(4) ;
} > RamAHB16
/* NOINIT section for RamAHB_ETB16 */
.noinit_RAM5 (NOLOAD) : ALIGN(4)
{
*(.noinit.$RAM5*)
*(.noinit.$RamAHB_ETB16*)
. = ALIGN(4) ;
} > RamAHB_ETB16
/* DEFAULT NOINIT SECTION */
.noinit (NOLOAD): ALIGN(4)
{
_noinit = .;
*(.noinit*)
. = ALIGN(4) ;
_end_noinit = .;
} > RamLoc32
PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);
/* ## Create checksum value (used in startup) ## */
PROVIDE(__valid_user_code_checksum = 0 -
(_vStackTop
+ (ResetISR + 1)
+ (NMI_Handler + 1)
+ (HardFault_Handler + 1)
+ (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1) /* MemManage_Handler may not be defined */
+ (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1) /* BusFault_Handler may not be defined */
+ (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
) );
/* Provide basic symbols giving location and size of main text
* block, including initial values of RW data sections. Note that
* these will need extending to give a complete picture with
* complex images (e.g multiple Flash banks).
*/
_image_start = LOADADDR(.text);
_image_end = LOADADDR(.data) + SIZEOF(.data);
_image_size = _image_end - _image_start;
}

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hw/bsp/lpc18/family.c Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#include "chip.h"
#include "bsp/board.h"
#include "board.h"
//--------------------------------------------------------------------+
// USB Interrupt Handler
//--------------------------------------------------------------------+
void USB0_IRQHandler(void)
{
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST
tuh_int_handler(0);
#endif
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
tud_int_handler(0);
#endif
}
void USB1_IRQHandler(void)
{
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST
tuh_int_handler(1);
#endif
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE
tud_int_handler(1);
#endif
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
/* System configuration variables used by chip driver */
const uint32_t OscRateIn = 12000000;
const uint32_t ExtRateIn = 0;
static const PINMUX_GRP_T pinmuxing[] =
{
// LEDs
{ 0xD, 10, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC4) },
{ 0xD, 11, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC4 | SCU_MODE_PULLDOWN) },
{ 0xD, 12, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC4 | SCU_MODE_PULLDOWN) },
{ 0xD, 13, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC4 | SCU_MODE_PULLDOWN) },
{ 0xD, 14, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC4 | SCU_MODE_PULLDOWN) },
{ 0x9, 0, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLDOWN) },
{ 0x9, 1, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLDOWN) },
{ 0x9, 2, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLDOWN) },
// Button
{ 0x4, 0, (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLUP) },
// UART
{ UART_PORT, UART_PIN_TX, SCU_MODE_PULLDOWN | SCU_MODE_FUNC2 },
{ UART_PORT, UART_PIN_RX, SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_FUNC2 },
// USB0
{ 0x6, 3, SCU_MODE_PULLUP | SCU_MODE_INBUFF_EN | SCU_MODE_FUNC1 }, // P6_3 USB0_PWR_EN, USB0 VBus function
{ 0x9, 5, SCU_MODE_PULLUP | SCU_MODE_INBUFF_EN | SCU_MODE_FUNC2 }, // P9_5 USB1_VBUS_EN, USB1 VBus function
{ 0x2, 5, SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_FUNC2 }, // P2_5 USB1_VBUS, MUST CONFIGURE THIS SIGNAL FOR USB1 NORMAL OPERATION
};
/* Pin clock mux values, re-used structure, value in first index is meaningless */
static const PINMUX_GRP_T pinclockmuxing[] =
{
{ 0, 0, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
{ 0, 1, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
{ 0, 2, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
{ 0, 3, (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
};
// Invoked by startup code
void SystemInit(void)
{
#ifdef __USE_LPCOPEN
extern void (* const g_pfnVectors[])(void);
unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
*pSCB_VTOR = (unsigned int) g_pfnVectors;
#endif
/* Setup system level pin muxing */
Chip_SCU_SetPinMuxing(pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
/* Clock pins only, group field not used */
for (uint32_t i = 0; i < (sizeof(pinclockmuxing) / sizeof(pinclockmuxing[0])); i++)
{
Chip_SCU_ClockPinMuxSet(pinclockmuxing[i].pinnum, pinclockmuxing[i].modefunc);
}
Chip_SetupXtalClocking();
}
void board_init(void)
{
SystemCoreClockUpdate();
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
//NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
Chip_GPIO_Init(LPC_GPIO_PORT);
// LED
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, LED_PORT, LED_PIN);
// Button
Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
//------------- UART -------------//
Chip_UART_Init(UART_DEV);
Chip_UART_SetBaud(UART_DEV, CFG_BOARD_UART_BAUDRATE);
Chip_UART_ConfigData(UART_DEV, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS);
Chip_UART_TXEnable(UART_DEV);
//------------- USB -------------//
#if CFG_TUSB_RHPORT0_MODE
Chip_USB0_Init();
#endif
#if CFG_TUSB_RHPORT1_MODE
Chip_USB1_Init();
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
Chip_GPIO_SetPinState(LPC_GPIO_PORT, LED_PORT, LED_PIN, state);
}
uint32_t board_button_read(void)
{
// active low
return Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN) ? 0 : 1;
}
int board_uart_read(uint8_t* buf, int len)
{
//return UART_ReceiveByte(BOARD_UART_PORT);
(void) buf; (void) len;
return 0;
}
int board_uart_write(void const * buf, int len)
{
uint8_t const* buf8 = (uint8_t const*) buf;
for(int i=0; i<len; i++)
{
while ((Chip_UART_ReadLineStatus(UART_DEV) & UART_LSR_THRE) == 0) {}
Chip_UART_SendByte(UART_DEV, buf8[i]);
}
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler (void)
{
system_ticks++;
}
uint32_t board_millis(void)
{
return system_ticks;
}
#endif

41
hw/bsp/lpc18/family.mk Normal file
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FAMILY_SUBMODULES = hw/mcu/nxp
include $(TOP)/$(BOARD_PATH)/board.mk
CFLAGS += \
-flto \
-mthumb \
-mabi=aapcs \
-mcpu=cortex-m3 \
-nostdlib \
-DCORE_M3 \
-D__USE_LPCOPEN \
-DCFG_TUSB_MCU=OPT_MCU_LPC18XX
# mcu driver cause following warnings
CFLAGS += -Wno-error=unused-parameter -Wno-error=strict-prototypes
MCU_DIR = hw/mcu/nxp/lpcopen/lpc18xx/lpc_chip_18xx
SRC_C += \
$(MCU_DIR)/../gcc/cr_startup_lpc18xx.c \
$(MCU_DIR)/src/chip_18xx_43xx.c \
$(MCU_DIR)/src/clock_18xx_43xx.c \
$(MCU_DIR)/src/gpio_18xx_43xx.c \
$(MCU_DIR)/src/sysinit_18xx_43xx.c \
$(MCU_DIR)/src/uart_18xx_43xx.c
INC += \
$(TOP)/$(BOARD_PATH) \
$(TOP)/$(MCU_DIR)/inc \
$(TOP)/$(MCU_DIR)/inc/config_18xx
# For TinyUSB port source
VENDOR = nxp
CHIP_FAMILY = transdimension
# For freeRTOS port source
FREERTOS_PORT = ARM_CM3
# flash using jlink
flash: flash-jlink