rt-thread-official/bsp/lpc43xx/M4/applications/startup.c

71 lines
1.3 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first implementation
* 2014-07-13 xiaonong for LPC43xx
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
extern int rt_application_init(void);
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* initialize board */
rt_hw_board_init();
/* show version */
rt_show_version();
#ifdef RT_USING_HEAP
#if LPC_EXT_SDRAM
rt_system_heap_init((void *)LPC_EXT_SDRAM_BEGIN, (void *)LPC_EXT_SDRAM_END);
sram_init();
#else
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
#endif
/* initialize scheduler system */
rt_system_scheduler_init();
/* initialize system timer*/
rt_system_timer_init();
/* initialize application */
rt_application_init();
/* initialize timer thread */
rt_system_timer_thread_init();
/* initialize 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;
}