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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2006-08-31 Bernard first implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#ifdef RT_USING_DFS
#include "sd.h"
#endif
#ifdef RT_USING_LWIP
#include "sam7x_emac.h"
extern rt_err_t eth_system_device_init(void);
#endif
#ifdef RT_USING_FINSH
#include <finsh.h>
extern int finsh_system_init(void);
#endif
/**
* @addtogroup sam7x256
*/
/*@{*/
#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#endif
#ifdef __GNUC__
extern unsigned char __bss_start;
extern unsigned char __bss_end;
#endif
extern void rt_hw_interrupt_init(void);
extern int rt_application_init(void);
#ifdef RT_USING_DEVICE
extern rt_err_t rt_hw_serial_init(void);
#endif
#ifdef RT_USING_FINSH
extern int finsh_system_init(void);
#endif
void led_flash()
{
int i;
static int j = 0;
rt_hw_board_led_off(j);
for (i = 0; i < 2000000; i ++);
j ++;
if (j >= 4) j = 0;
rt_hw_board_led_on(j);
for (i = 0; i < 2000000; i ++);
}
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init board */
rt_hw_board_init();
rt_show_version();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x00210000);
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void*)0x00210000);
#else
rt_system_heap_init(&__bss_end, (void*)0x00210000);
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_HOOK /* if the hook is used */
/* set idle thread hook */
rt_thread_idle_sethook(led_flash);
#endif
#ifdef RT_USING_DEVICE
/* init hardware serial device */
rt_hw_serial_init();
#ifdef RT_USING_DFS
rt_hw_sdcard_init();
#endif
#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 ;
}
#ifdef __CC_ARM
int main (void)
{
/* invoke rtthread_startup */
rtthread_startup();
return 0;
}
#endif
/*@}*/
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