libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[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
This commit is contained in:
wdfk-prog 2023-01-05 14:25:16 +08:00 committed by GitHub
parent 24575c4486
commit 8f0cef3a87
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
components/drivers/serial/serial_v2.c
View File

@ -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;