startup.c

/*
 * 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://www.rt-thread.org/license/LICENSE
 *
 * Change Logs:
 * Date           Author       Notes
 * 2009-02-16     Bernard      first implementation
 */

#include <rthw.h>
#include <rtthread.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
#endif

#include "board.h"
#ifdef RT_USING_LWIP
#include <netif/ethernetif.h>
#include "dm9000.h"
#endif
#ifdef RT_USING_DFS
#include "sd.h"
#endif

/**
 * @addtogroup lpc2148
 */

/*@{*/

#ifdef RT_USING_FINSH
extern void finsh_system_init(void);
#endif

extern int  rt_application_init(void);
extern void rt_show_version(void);
#ifdef RT_USING_DEVICE
extern rt_err_t rt_hw_serial_init(void);
#endif
#ifdef RT_USING_FINSH
extern void finsh_system_init(void);
#endif

#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#else
extern int __bss_end;
#endif

/**
 * This function will startup RT-Thread RTOS.
 */
void rtthread_startup(void)
{
    /* init hardware interrupt */
    rt_hw_interrupt_init();

    /* init board */
    rt_hw_board_init();

    /* init tick */
    rt_system_tick_init();

    /* init kernel object */
    rt_system_object_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*)0x40008000);
#else
    /* init memory system */
    rt_system_heap_init((void*)&__bss_end, (void*)0x40008000);
#endif
#endif

    /* init scheduler system */
    rt_system_scheduler_init();

#ifdef RT_USING_DEVICE
#ifdef RT_USING_DFS
    /* init sd card */
    rt_hw_sdcard_init();
#endif

#ifdef RT_USING_LWIP
    eth_system_device_init();
    /* init ethernetif device */
    rt_hw_dm9000_init();
#endif

    /* init hardware serial device */
    rt_hw_serial_init();

    /*init all registed devices*/
    rt_device_init_all();
#endif

    /* init application */
    rt_application_init();

#ifdef RT_USING_FINSH
    /* init finsh */
    finsh_system_init();
    finsh_set_device("uart1");
#endif

    /* init idle thread */
    rt_thread_idle_init();

    /* start scheduler */
    rt_system_scheduler_start();

    /* never reach here */
    return ;
}

int main (void)
{
    /* invoke rtthread_startup */
    rtthread_startup();

    return 0;
}

/*@}*/