diff options
| author | wdfk-prog <[email protected]> | 2023-01-05 14:25:16 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-01-05 01:25:16 -0500 |
| commit | 8f0cef3a87efa3306fc24dcc0758cbf555a60acb (patch) | |
| tree | d81e08ea43bc9d11c1d82045010d296a6e44af8a /components/drivers | |
| parent | 24575c44861eae1646d44bea2663cad7391d4659 (diff) | |
[drivers][serial_v2]修复DMA+TX阻塞模式异常 (#6781)
* [drivers][serial_v2]修复DMA+TX阻塞模式异常
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/serial/serial_v2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/components/drivers/serial/serial_v2.c b/components/drivers/serial/serial_v2.c index fc03605c1d..5784f1fee7 100644 --- a/components/drivers/serial/serial_v2.c +++ b/components/drivers/serial/serial_v2.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -694,6 +694,7 @@ static rt_err_t rt_serial_tx_enable(struct rt_device *dev, tx_fifo->activated = RT_FALSE; tx_fifo->put_size = 0; + rt_memset(&tx_fifo->rb, RT_NULL, sizeof(tx_fifo->rb)); rt_completion_init(&(tx_fifo->tx_cpt)); dev->open_flag |= RT_SERIAL_TX_BLOCKING; |