rt-thread-official/bsp/nrf51822/applications/startup.c

89 lines
1.7 KiB
C

/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
* 2015-03-01 Yangfs the first version
* 2015-03-27 Bernard code cleanup.
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
/**
* @addtogroup NRF51822
*/
/*@{*/
extern int rt_application_init(void);
#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define NRF_HEAP_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define NRF_HEAP_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define NRF_HEAP_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();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)NRF_HEAP_BEGIN, (void*)NRF_SRAM_END);
#endif
/* 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;
}
/*@}*/