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Merge pull request #3916 from willianchanlovegithub/Willianchan 

[drivers/serial]add a line feed to the carriage return character when…
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Bernard Xiong 2020-09-17 07:54:45 +08:00 committed by GitHub
parent a5ab12c964 ee3d05f583
commit 13c27246c8
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1 changed files with 15 additions and 0 deletions
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15
components/drivers/serial/serial.c
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@ -22,6 +22,8 @@
* 2017-11-15 JasonJia fix poll rx issue when data is full.
* add TCFLSH and FIONREAD support.
* 2018-12-08 Ernest Chen add DMA choice
* 2020-09-14 WillianChan add a line feed to the carriage return character
* when using interrupt tx
*/
#include <rthw.h>
@ -315,6 +317,19 @@ rt_inline int _serial_int_tx(struct rt_serial_device *serial, const rt_uint8_t *
while (length)
{
/*
* to be polite with serial console add a line feed
* to the carriage return character
*/
if (*data == '\n' && (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM))
{
if (serial->ops->putc(serial, '\r') == -1)
{
rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);
continue;
}
}
if (serial->ops->putc(serial, *(char*)data) == -1)
{
rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);