diff options
| author | Bernard Xiong <[email protected]> | 2019-05-13 18:25:54 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2019-05-13 18:25:54 +0800 |
| commit | 0dae909f66d72323f031c4c14162f32723f3effe (patch) | |
| tree | 3a4ae03be57371e047d0bd7e11491ecfa4adee8e | |
| parent | 3d04e4628909651b5d9d86070a84ed43e5e90ef8 (diff) | |
| parent | f58e947da6c451fd730bff9ac47130f85dd4a39c (diff) | |
Merge pull request #2682 from misonyo/rttdev
[components/drivers/serial]add low level DMA TX config support.
| -rw-r--r-- | components/drivers/serial/serial.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c index d4cf35414c..c3e96fc77b 100644 --- a/components/drivers/serial/serial.c +++ b/components/drivers/serial/serial.c @@ -675,6 +675,8 @@ static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag) serial->serial_tx = tx_dma; dev->open_flag |= RT_DEVICE_FLAG_DMA_TX; + /* configure low level device */ + serial->ops->control(serial, RT_DEVICE_CTRL_CONFIG, (void *)RT_DEVICE_FLAG_DMA_TX); } #endif /* RT_SERIAL_USING_DMA */ else |