fix(serial): only apply CRLF translation in STREAM mode for poll tx

wdfk-prog · Rbb666 · commit 71fd98e56de7 · 2026-02-27T09:54:28.000+08:00
diff --git a/components/drivers/serial/dev_serial_v2.c b/components/drivers/serial/dev_serial_v2.c
@@ -441,7 +441,7 @@ rt_ssize_t _serial_poll_tx(struct rt_device *dev,
 
     while (size)
     {
-        if (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM || (dev == rt_console_get_device()))
+        if (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM)
         {
             /* If open_flag satisfies RT_DEVICE_FLAG_STREAM and the received character is '\n',
              * inserts '\r' character before '\n' character for the effect of carriage return newline */

Original file line number	Diff line number	Diff line change
`@@ -441,7 +441,7 @@ rt_ssize_t _serial_poll_tx(struct rt_device *dev,`
`441`	`441`
`442`	`442`	`while (size)`
`443`	`443`	`{`
`444`		`- if (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM \|\| (dev == rt_console_get_device()))`
	`444`	`+ if (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM)`
`445`	`445`	`{`
`446`	`446`	`/* If open_flag satisfies RT_DEVICE_FLAG_STREAM and the received character is '\n',`
`447`	`447`	`* inserts '\r' character before '\n' character for the effect of carriage return newline */`