/* * 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 */ #include #include #include "board.h" #ifdef RT_USING_LWIP #include #include #endif /** * @addtogroup LM3S */ extern void rt_hw_serial_init(void); /*@{*/ #ifdef RT_USING_FINSH extern int finsh_system_init(void); extern void finsh_set_device(const char *device); #endif extern int rt_application_init(void); extern void rt_hw_sdcard_init(void); extern int rt_hw_luminaryif_init(void); #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #elif __ICCARM__ #pragma section="HEAP" #else extern int __bss_end; #endif #ifdef DEBUG /******************************************************************************* * Function Name : assert_failed * Description : Reports the name of the source file and the source line number * where the assert error has occurred. * Input : - file: pointer to the source file name * - line: assert error line source number * Output : None * Return : None *******************************************************************************/ void __error__(char *file, unsigned long line) { rt_kprintf("\n\r Wrong parameter value detected on\r\n"); rt_kprintf(" file %s\r\n", file); rt_kprintf(" line %d\r\n", line); while (1) ; } #endif /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* init board */ rt_hw_board_init(); /* show version */ rt_show_version(); /* init timer system */ rt_system_timer_init(); #ifdef RT_USING_HEAP #if LM3S_EXT_SRAM == 1 /* init sdram */ rt_system_heap_init((void *)LM3S_EXT_SRAM_BEGIN, (void *)LM3S_EXT_SRAM_END); #else #ifdef __CC_ARM rt_system_heap_init((void *)&Image$$RW_IRAM1$$ZI$$Limit, (void *)LM3S_SRAM_END); #elif __ICCARM__ rt_system_heap_init(__segment_end("HEAP"), (void *)LM3S_SRAM_END); #else /* init memory system */ rt_system_heap_init((void *)&__bss_end, (void *)LM3S_SRAM_END); #endif #endif #endif /* init scheduler system */ rt_system_scheduler_init(); #ifdef RT_USING_LWIP eth_system_device_init(); /* register ethernetif device */ rt_hw_luminaryif_init(); #endif /* init hardware serial device */ rt_hw_serial_init(); #ifdef RT_USING_DFS /* init sd card device */ rt_hw_sdcard_init(); #endif /* init application */ rt_application_init(); #ifdef RT_USING_FINSH /* init finsh */ finsh_system_init(); #ifdef RT_USING_DEVICE finsh_set_device("uart1"); #endif #endif /* 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(); rtthread_startup(); return 0; } /*@}*/