/* * File : startup.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006, RT-Thread Develop Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://openlab.rt-thread.com/license/LICENSE * * Change Logs: * Date Author Notes * 2006-08-31 Bernard first implementation * 2011-06-05 Bernard modify for STM32F107 version */ #include #include #include "stm32f4xx.h" #include "board.h" /** * @addtogroup STM32 */ /*@{*/ extern int rt_application_init(void); #ifdef RT_USING_FINSH extern void finsh_system_init(void); extern void finsh_set_device(const char* device); #endif #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #define STM32_SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit) #elif __ICCARM__ #pragma section="HEAP" #define STM32_SRAM_BEGIN (__segment_end("HEAP")) #else extern int __bss_end; #define STM32_SRAM_BEGIN (&__bss_end) #endif /******************************************************************************* * 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(uint8_t* file, uint32_t 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) ; } /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* init board */ rt_hw_board_init(); /* show version */ rt_show_version(); /* init tick */ rt_system_tick_init(); /* init kernel object */ rt_system_object_init(); /* init timer system */ rt_system_timer_init(); #ifdef RT_USING_EXT_SDRAM rt_system_heap_init((void*)EXT_SDRAM_BEGIN, (void*)EXT_SDRAM_END); #else rt_system_heap_init((void*)HEAP_BEGIN, (void*)HEAP_END); #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; } /*@}*/