rt-thread-official/bsp/lpc2478/applications/startup.c

98 lines
1.8 KiB
C

/*
* 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 <rthw.h>
#include <rtthread.h>
#include <LPC24xx.h>
/**
* @addtogroup LPC2478
*/
/*@{*/
extern int rt_application_init(void);
#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();
/* init application */
rt_application_init();
/* 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)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
/* invoke rtthread_startup */
rtthread_startup();
return 0;
}
#endif
/*@}*/