/* * 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://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2008-12-11 xuxinming first version * 2010-4-3 LiJin add init soft timer thread */ #include #include #ifdef RT_USING_FINSH #include extern void finsh_system_init(void); #endif #include #include /** * @addtogroup LPC2478 */ /*@{*/ extern int rt_application_init(void); #ifdef RT_USING_DEVICE extern rt_err_t rt_hw_serial_init(void); #endif #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #else extern int __bss_end; #endif /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* init hardware interrupt */ rt_hw_interrupt_init(); /* init board */ rt_hw_board_init(); /* init tick */ rt_system_tick_init(); /* init kernel object */ rt_system_object_init(); rt_show_version(); /* init timer system */ rt_system_timer_init(); /* init memory system */ #ifdef RT_USING_HEAP #ifdef __CC_ARM rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x40010000); #else rt_system_heap_init((void*)&__bss_end, (void*)0x40010000); #endif #endif /* init scheduler system */ rt_system_scheduler_init(); #ifdef RT_USING_DEVICE /* init hardware serial device */ rt_hw_serial_init(); /*init all registed devices*/ rt_device_init_all(); #endif /* init application */ rt_application_init(); #ifdef RT_USING_FINSH /* init finsh */ finsh_system_init(); finsh_set_device("uart1"); #endif /* init soft timer thread */ rt_system_timer_thread_init(); /* init idle thread */ rt_thread_idle_init(); /* start scheduler */ rt_system_scheduler_start(); /* never reach here */ return ; } #ifdef __CC_ARM int main(void) { /* invoke rtthread_startup */ rtthread_startup(); return 0; } #endif /*@}*/