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/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, 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
* 2006-08-31 Bernard first implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#ifdef RT_USING_LWIP
#include <lwip/sys.h>
#include <netif/ethernetif.h>
#endif
/**
* @addtogroup LM3S
*/
extern void rt_hw_serial_init(void);
/*@{*/
#ifdef RT_USING_FINSH
extern int finsh_system_init(void);
extern void finsh_set_device(const char *device);
#endif
extern int rt_application_init(void);
extern void rt_hw_sdcard_init(void);
extern int rt_hw_luminaryif_init(void);
#ifdef __CC_ARM
extern int Image$$ER_ZI$$ZI$$Limit;
#elif __ICCARM__
#pragma section="HEAP"
#else
extern int __bss_end;
#endif
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void __error__(char *file, unsigned long line)
{
rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
while (1) ;
}
#endif
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
#if LM3S_EXT_SRAM == 1
/* init sdram */
rt_system_heap_init((void *)LM3S_EXT_SRAM_BEGIN, (void *)LM3S_EXT_SRAM_END);
#else
#ifdef __CC_ARM
rt_system_heap_init((void *)&Image$$ER_ZI$$ZI$$Limit, (void *)LM3S_SRAM_END);
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void *)LM3S_SRAM_END);
#else
/* init memory system */
rt_system_heap_init((void *)&__bss_end, (void *)LM3S_SRAM_END);
#endif
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_LWIP
eth_system_device_init();
/* register ethernetif device */
rt_hw_luminaryif_init();
#endif
/* init hardware serial device */
rt_hw_serial_init();
#ifdef RT_USING_DFS
/* init sd card device */
rt_hw_sdcard_init();
#endif
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init finsh */
finsh_system_init();
#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
finsh_set_device("uart1");
#endif
#endif
/* 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();
rtthread_startup();
return 0;
}
/*@}*/
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