100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
/*
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* File : startup.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2012, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-02-13 mojingxian first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "application.h"
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#include "board.h"
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#include "serial.h"
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#include "finsh.h"
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extern "asm" int rtt_heap_start;
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extern "asm" int rtt_heap_end;
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extern struct serial_device uart0;
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extern struct rt_device uart0_device;
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void rtthread_startup(void)
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{
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/* init hardware interrupt */
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rt_hw_interrupt_init();
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/* init board */
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rt_hw_board_init();
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/* show version */
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rt_show_version();
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/* init tick */
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rt_system_tick_init();
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/* init kernel object */
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rt_system_object_init();
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/* init timer system */
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rt_system_timer_init();
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#ifdef RT_USING_HEAP
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rt_system_heap_init((void*)&rtt_heap_start, (void*)&rtt_heap_end);
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#endif
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#ifdef RT_USING_MODULE
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/* init module system*/
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rt_system_module_init();
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#endif
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/* init scheduler system */
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rt_system_scheduler_init();
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#ifdef RT_USING_DEVICE
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/* register uart0 */
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rt_hw_serial_register(&uart0_device, "uart0",
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RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
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&uart0);
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rt_console_set_device("uart0");
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#endif
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/* init application */
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rt_application_init();
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#ifdef RT_USING_FINSH
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/* init finsh */
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extern void finsh_system_init(void);
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finsh_system_init();
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finsh_set_device("uart0");
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#endif
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rt_system_timer_thread_init();
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/* init idle thread */
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rt_thread_idle_init();
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return ;
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}
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int main(void)
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{
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/* disable interrupt first */
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rt_hw_interrupt_disable();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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return 0;
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}
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