[serial_v2] fixed bug (#6213)

HubertXie · web-flow · commit 223bc17df962 · 2022-08-03T22:42:20.000-04:00
* [kernel][timer] fixed bug serial_v2 驱动问题，导致所有写入都使用阻塞方式写入
diff --git a/components/drivers/serial/serial_v2.c b/components/drivers/serial/serial_v2.c
@@ -1389,7 +1389,7 @@ static rt_size_t rt_serial_write(struct rt_device *dev,
         return _serial_poll_tx(dev, pos, buffer, size);
     }
 
-    if (dev->open_flag | RT_SERIAL_TX_BLOCKING)
+    if (dev->open_flag & RT_SERIAL_TX_BLOCKING)
     {
         if ((tx_fifo->rb.buffer_ptr) == RT_NULL)
         {

Original file line number	Diff line number	Diff line change
`@@ -1389,7 +1389,7 @@ static rt_size_t rt_serial_write(struct rt_device *dev,`
`1389`	`1389`	`return _serial_poll_tx(dev, pos, buffer, size);`
`1390`	`1390`	`}`
`1391`	`1391`
`1392`		`- if (dev->open_flag \| RT_SERIAL_TX_BLOCKING)`
	`1392`	`+ if (dev->open_flag & RT_SERIAL_TX_BLOCKING)`
`1393`	`1393`	`{`
`1394`	`1394`	`if ((tx_fifo->rb.buffer_ptr) == RT_NULL)`
`1395`	`1395`	`{`