rt-thread/bsp/xplorer4330/applications/startup.c

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/*
* 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
* 2009-01-05 Bernard first implementation
* 2012-12-11 lgnq modified for LPC4330
*/
#include <rthw.h>
#include <rtthread.h>
#include "platform.h"
/**
* @addtogroup LPC4330
*/
/*@{*/
extern int rt_application_init(void);
#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define LPC4300_SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define LPC4300_SRAM_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define LPC4300_SRAM_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();
#ifdef RT_USING_HEAP
/* initialize memory system */
rt_system_heap_init((void *)LPC4300_SRAM_BEGIN, (void *)(0x10000000 + 1024*128));
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_DEVICE
/* init all device */
rt_device_init_all();
#endif
/* 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;
}
/*@}*/