diff options
| author | 陈迎春 <[email protected]> | 2019-01-16 13:21:20 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2019-01-16 13:21:20 +0800 |
| commit | e45d7da503c04e6a8b83079b474c222eadfa6818 (patch) | |
| tree | 8fdd4bdee9c523b2bd75f1ea53be74bde62ab4c4 /components | |
| parent | e9c80c3bfcad14d55bce5f78dfcb034b72761fec (diff) | |
Update serial.c
"remove #ifdef RT_SERIAL_USING_DMA in rt_serial_open， always check device open dma flag"
Diffstat (limited to 'components')
| -rw-r--r-- | components/drivers/serial/serial.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c index c5932df7d9..77f2a645a1 100644 --- a/components/drivers/serial/serial.c +++ b/components/drivers/serial/serial.c @@ -566,13 +566,11 @@ static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag) LOG_D("open serial device: 0x%08x with open flag: 0x%04x", dev, oflag); -#ifdef RT_SERIAL_USING_DMA /* check device flag with the open flag */ if ((oflag & RT_DEVICE_FLAG_DMA_RX) && !(dev->flag & RT_DEVICE_FLAG_DMA_RX)) return -RT_EIO; if ((oflag & RT_DEVICE_FLAG_DMA_TX) && !(dev->flag & RT_DEVICE_FLAG_DMA_TX)) return -RT_EIO; -#endif /* RT_SERIAL_USING_DMA */ if ((oflag & RT_DEVICE_FLAG_INT_RX) && !(dev->flag & RT_DEVICE_FLAG_INT_RX)) return -RT_EIO; if ((oflag & RT_DEVICE_FLAG_INT_TX) && !(dev->flag & RT_DEVICE_FLAG_INT_TX)) |