rt-thread-official/bsp/stm32f20x/applications/startup.c

113 lines
2.3 KiB
C

/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2006-08-31 Bernard first implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include <stm32f2xx.h>
#include "board.h"
/**
* @addtogroup STM32
*/
/*@{*/
extern int rt_application_init(void);
#if defined(__CC_ARM) || defined(__CLANG_ARM)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#elif __ICCARM__
#pragma section="HEAP"
#else
extern int __bss_end;
#endif
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
while (1) ;
}
#endif
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
#if STM32_EXT_SRAM
rt_system_heap_init((void*)STM32_EXT_SRAM_BEGIN, (void*)STM32_EXT_SRAM_END);
#else
#if defined(__CC_ARM) || defined(__CLANG_ARM)
rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)STM32_SRAM_END);
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void*)STM32_SRAM_END);
#else
/* init memory system */
rt_system_heap_init((void*)&__bss_end, (void*)STM32_SRAM_END);
#endif
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
/* init application */
rt_application_init();
/* init timer thread */
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
int main(void)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
/* startup RT-Thread RTOS */
rtthread_startup();
return 0;
}
/*@}*/