RT-Thread移植笔记

void SysTick_Handler(void)
{
    rt_interrupt_enter();
    rt_tick_increase();
    rt_interrupt_leave();
}

void HAL_Delay(__IO uint32_t Delay)
{
    rt_thread_delay(1000/RT_TICK_PER_SECOND);
  return ;
}

void HAL_Delay(__IO uint32_t Delay)
{
    if(rt_thread_self()==RT_NULL)
    {
        Delay = Delay * (SysTick->LOAD/(1000/RT_TICK_PER_SECOND));
        rt_uint32_t delta = SysTick->VAL;
        while (delta - SysTick->VAL< Delay);
    }    
    else rt_thread_delay(1000/RT_TICK_PER_SECOND);
  return ;
}

void rt_kprintf(const char *fmt, ...)
{
    va_list args;
    rt_size_t length;
    static char rt_log_buf[RT_CONSOLEBUF_SIZE];
    va_start(args, fmt);
    length = rt_vsnprintf(rt_log_buf, sizeof(rt_log_buf) - 1, fmt, args);
    if (length > RT_CONSOLEBUF_SIZE - 1)
        length = RT_CONSOLEBUF_SIZE - 1;
#ifdef RT_USING_DEVICE
    if (_console_device == RT_NULL)
    {
        rt_hw_console_output(rt_log_buf);
    }
    else
    {
        rt_uint16_t old_flag = _console_device->open_flag;
        _console_device->open_flag |= RT_DEVICE_FLAG_STREAM;
        rt_device_write(_console_device, 0, rt_log_buf, length);
        _console_device->open_flag = old_flag;
    }
#else
    rt_hw_console_output(rt_log_buf);
#endif
    va_end(args);
}
RTM_EXPORT(rt_kprintf);

RT_WEAK void rt_hw_console_output(const char *str)
{
    /* empty console output */
}
RTM_EXPORT(rt_hw_console_output);

void rt_hw_console_output(const char *str)
{
    RT_ASSERT(str != RT_NULL);
    while(*str != '\0')
    {
        if(*str == '<br>')
        {
            if(*(str-1) != ' ')
                bsp_uart_send(' ');
        }
        bsp_uart_send(*str++);
    }
}

#define RT_USING_DEVICE
#define RT_USING_DEVICE_IPC
#define RT_PIPE_BUFSZ 512
#define RT_USING_SERIAL
#define BSP_USING_UART3
#define RT_USING_FINSH
#define FINSH_THREAD_NAME "tshell"
#define FINSH_USING_HISTORY
#define FINSH_HISTORY_LINES 5
#define FINSH_USING_SYMTAB
#define FINSH_USING_DESCRIPTION
#define FINSH_THREAD_PRIORITY 20
#define FINSH_THREAD_STACK_SIZE 4096
#define FINSH_CMD_SIZE 80
#define FINSH_USING_MSH
#define FINSH_USING_MSH_DEFAULT
#define FINSH_ARG_MAX 10