/* * File : startup.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2009, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2009-01-05 Bernard first implementation * 2010-03-04 Magicoe for LPC17xx */ #include #include #include "LPC177x_8x.h" #include "board.h" 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$$Limit; #elif __ICCARM__ #pragma section="HEAP" #else extern int __bss_end; #endif #ifdef DEBUG /******************************************************************************* * Function Name : assert_failed * Description : Reports the name of the source file and the source line number * where the assert error has occurred. * Input : - file: pointer to the source file name * - line: assert error line source number * Output : None * Return : None *******************************************************************************/ void assert_failed(u8* file, u32 line) { rt_kprintf("\n\r Wrong parameter value detected on\r\n"); rt_kprintf(" file %s\r\n", file); rt_kprintf(" line %d\r\n", line); while (1) ; } #endif /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* initialize board */ rt_hw_board_init(); /* show version */ rt_show_version(); #ifdef RT_USING_HEAP /* initialize memory system */ #ifdef __CC_ARM rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)(0x10000000 + 1024*64)); #elif __ICCARM__ rt_system_heap_init(__segment_end("HEAP"), (void*)(0x10000000 + 1024*64)); #else rt_system_heap_init((void*)&__bss_end, (void*)(0x10000000 + 1024*64)); #endif #endif /* initialize scheduler system */ rt_system_scheduler_init(); /* initialize application */ rt_application_init(); #ifdef RT_USING_FINSH /* initialize finsh */ finsh_system_init(); finsh_set_device( FINSH_DEVICE_NAME ); #endif /* initialize timer thread */ rt_system_timer_thread_init(); /* initialize 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; }