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driver/serial: Convert CR to LF in driver

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Enable the behavior by default for console,
but configurable by termios.

Binary size:

Before:
   text    data     bss     dec     hex filename
 326460     409    8164  335033   51cb9 nuttx/nuttx

 After:
    text    data     bss     dec     hex filename
 326478     409    8164  335051   51ccb nuttx/nuttx

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi 2023-02-07 18:12:08 +08:00 committed by Xiang Xiao
parent 63a847ebca
commit 3e41bd8b35
1 changed files with 9 additions and 1 deletions
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10
drivers/serial/serial.c
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@ -790,6 +790,11 @@ static ssize_t uart_read(FAR struct file *filep,
* IUCLC - Not Posix * IUCLC - Not Posix
* IXON/OXOFF - no xon/xoff flow control. * IXON/OXOFF - no xon/xoff flow control.
*/ */
#else
if (dev->isconsole && ch == '\r')
{
ch = '\n';
}
#endif #endif
/* Store the received character */ /* Store the received character */
@ -1423,7 +1428,6 @@ static int uart_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
dev->tc_iflag = termiosp->c_iflag; dev->tc_iflag = termiosp->c_iflag;
dev->tc_oflag = termiosp->c_oflag; dev->tc_oflag = termiosp->c_oflag;
dev->tc_lflag = termiosp->c_lflag; dev->tc_lflag = termiosp->c_lflag;
ret = 0; ret = 0;
} }
break; break;
@ -1659,6 +1663,10 @@ int uart_register(FAR const char *path, FAR uart_dev_t *dev)
/* Enable \n -> \r\n translation for the console */ /* Enable \n -> \r\n translation for the console */
dev->tc_oflag = OPOST | ONLCR; dev->tc_oflag = OPOST | ONLCR;
/* Convert CR to LF by default for console */
dev->tc_iflag |= ICRNL;
} }
#endif #endif