/* * File : startup.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2012, 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 * 2012-02-13 mojingxian first version */ #include #include #include "application.h" #include "board.h" #include "serial.h" #include "finsh.h" extern "asm" int rtt_heap_start; extern "asm" int rtt_heap_end; extern struct serial_device uart0; extern struct rt_device uart0_device; void rtthread_startup(void) { /* init hardware interrupt */ rt_hw_interrupt_init(); /* init board */ rt_hw_board_init(); /* show version */ rt_show_version(); /* init tick */ rt_system_tick_init(); /* init kernel object */ rt_system_object_init(); /* init timer system */ rt_system_timer_init(); #ifdef RT_USING_HEAP rt_system_heap_init((void*)&rtt_heap_start, (void*)&rtt_heap_end); #endif #ifdef RT_USING_MODULE /* init module system*/ rt_system_module_init(); #endif /* init scheduler system */ rt_system_scheduler_init(); #ifdef RT_USING_DEVICE /* register uart0 */ rt_hw_serial_register(&uart0_device, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, &uart0); rt_console_set_device("uart0"); #endif /* init application */ rt_application_init(); #ifdef RT_USING_FINSH /* init finsh */ extern void finsh_system_init(void); finsh_system_init(); finsh_set_device("uart0"); #endif 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; }