/* * File : startup.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2009 - 2011, 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 * 2011-02-24 Bernard first implementation */ #include #include #include "board.h" /** * @addtogroup FM3 */ /*@{*/ extern int rt_application_init(void); #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #elif __ICCARM__ #pragma section="HEAP" #else extern int __bss_end; #endif /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* init board */ rt_hw_board_init(); /* show version */ rt_show_version(); /* init timer system */ rt_system_timer_init(); #ifdef RT_USING_HEAP #ifdef __CC_ARM rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)FM3_SRAM_END); #elif __ICCARM__ rt_system_heap_init(__segment_end("HEAP"), (void*)FM3_SRAM_END); #else /* init memory system */ rt_system_heap_init((void*)&__bss_end, (void*)FM3_SRAM_END); #endif #endif /* init scheduler system */ rt_system_scheduler_init(); /* init timer thread */ rt_system_timer_thread_init(); /* init application */ rt_application_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; } /*@}*/