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

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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
* SPDX-License-Identifier: Apache-2.0
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*
* 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$$Limit;
#elif __ICCARM__
#pragma section="HEAP"
#else
extern int __bss_end;
#endif
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
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rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
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while (1) ;
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}
#endif
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
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/* initialize board */
rt_hw_board_init();
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/* show version */
rt_show_version();
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#ifdef RT_USING_HEAP
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/* initialize memory system */
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$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
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#endif
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/* initialize scheduler system */
rt_system_scheduler_init();
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/* initialize application */
rt_application_init();
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/* initialize timer */
rt_system_timer_init();
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/* initialize timer thread */
rt_system_timer_thread_init();
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/* initialize idle thread */
rt_thread_idle_init();
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/* start scheduler */
rt_system_scheduler_start();
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/* never reach here */
return ;
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}
int main(void)
{
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/* disable interrupt first */
rt_hw_interrupt_disable();
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/* startup RT-Thread RTOS */
rtthread_startup();
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return 0;
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}