/* * File : startup.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006-2014, 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 * 2014-08-03 aozima first implementation */ #include <rthw.h> #include <rtthread.h> #include "board.h" /** * @addtogroup CME_M7 */ /*@{*/ extern int rt_application_init(void); #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #define SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit) #elif __ICCARM__ #pragma section="HEAP" #define SRAM_BEGIN (__segment_end("HEAP")) #else extern int __bss_end; #define SRAM_BEGIN (&__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(); rt_system_heap_init((void*)SRAM_BEGIN, (void*)SRAM_END); /* 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; } /*@}*/