Function uart_input_dma

bsp/hc32/tests/test_uart_v2.c:103–117

DMA接收数据回调函数 */

/* DMA接收数据回调函数 */
static rt_err_t uart_input_dma(rt_device_t dev, rt_size_t size)
{
    struct rx_msg msg;
    rt_err_t result;
    msg.dev = dev;
    msg.size = size;

    result = rt_mq_send(&rx_mq, &msg, sizeof(msg));
    if (result == -RT_EFULL)
    {
        /* 消息队列满 */
        rt_kprintf("message queue full!\n");
    }
    return result;
}

/* INT接收数据回调函数 */
static rt_err_t uart_input_int(rt_device_t dev, rt_size_t size)