rt-thread/bsp/lpc178x/applications/startup.c

106 lines
2.4 KiB
C

/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, 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
* 2010-03-04 Magicoe for LPC17xx
*/
#include <rthw.h>
#include <rtthread.h>
#include "LPC177x_8x.h"
#include "board.h"
extern int rt_application_init(void);
#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#elif __ICCARM__
#pragma section="HEAP"
#else
extern int __bss_end;
#endif
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
while (1) ;
}
#endif
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* initialize board */
rt_hw_board_init();
/* show version */
rt_show_version();
#ifdef RT_USING_HEAP
/* initialize memory system */
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)(0x10000000 + 1024*64));
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void*)(0x10000000 + 1024*64));
#else
rt_system_heap_init((void*)&__bss_end, (void*)(0x10000000 + 1024*64));
#endif
#endif
/* initialize scheduler system */
rt_system_scheduler_init();
/* initialize application */
rt_application_init();
/* initialize timer */
rt_system_timer_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;
}