rt-thread-official/bsp/stm32l476-nucleo/applications/startup.c

/*
 * File      : startup.c
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Change Logs:
 * Date           Author       Notes
 * 2006-08-31     Bernard      first implementation
 * 2011-06-05     Bernard      modify for STM32F107 version
 */

#include <rthw.h>
#include <rtthread.h>

#include <stm32l4xx.h>
#include "board.h"

/**
 * @addtogroup STM32
 */

/*@{*/

extern int  rt_application_init(void);

#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define STM32_SRAM_BEGIN    (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define STM32_SRAM_BEGIN    (__segment_end("HEAP"))
#else
extern int __bss_end;
#define STM32_SRAM_BEGIN    (&__bss_end)
#endif

/*******************************************************************************
* 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(uint8_t* file, uint32_t 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) ;
}

/**
 * This function will startup RT-Thread RTOS.
 */
void rtthread_startup(void)
{
    /* init board */
    rt_hw_board_init();

    /* show version */
    rt_show_version();

    /* init tick */
    rt_system_tick_init();

    /* init kernel object */
    rt_system_object_init();

    /* init timer system */
    rt_system_timer_init();

#ifdef RT_USING_EXT_SDRAM
    rt_system_heap_init((void*)EXT_SDRAM_BEGIN, (void*)EXT_SDRAM_END);
#else
    rt_system_heap_init((void*)HEAP_BEGIN, (void*)HEAP_END);
#endif

    /* init scheduler system */
    rt_system_scheduler_init();

    /* init application */
    rt_application_init();

    /* init timer thread */
    rt_system_timer_thread_init();

    /* 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();

    /* startup RT-Thread RTOS */
    rtthread_startup();
    return 0;
}

/*@}*/