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[drivers]serial.c

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解决STM32串口使用DMA接收方式时，清空缓存bug
This commit is contained in:
HubretXie 2021-02-08 18:26:03 +08:00 committed by guo
parent 247d1a50d7
commit 0fc7158ffb
1 changed files with 1 additions and 3 deletions
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4
components/drivers/serial/serial.c
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@ -955,9 +955,7 @@ static void _tc_flush(struct rt_serial_device *serial, int queue)
{
RT_ASSERT(RT_NULL != rx_fifo);
level = rt_hw_interrupt_disable();
rt_memset(rx_fifo->buffer, 0, serial->config.bufsz);
rx_fifo->put_index = 0;
rx_fifo->get_index = 0;
rx_fifo->get_index = rx_fifo->put_index;
rx_fifo->is_full = RT_FALSE;
rt_hw_interrupt_enable(level);
}