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Merge pull request #4150 from mysterywolf/setwin

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[ioctl] add TIOCSWINSZ
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Bernard Xiong 2020-12-14 15:05:47 +08:00 committed by GitHub
commit 57ddea482f
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1 changed files with 12 additions and 4 deletions
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16
components/drivers/serial/serial.c
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@ -24,6 +24,7 @@
* 2018-12-08 Ernest Chen add DMA choice * 2018-12-08 Ernest Chen add DMA choice
* 2020-09-14 WillianChan add a line feed to the carriage return character * 2020-09-14 WillianChan add a line feed to the carriage return character
* when using interrupt tx * when using interrupt tx
* 2020-12-14 Meco Man add function of setting window's size(TIOCSWINSZ)
*/ */
#include <rthw.h> #include <rthw.h>
@ -1012,7 +1013,7 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
} }
break; break;
#ifdef RT_USING_POSIX
#ifdef RT_USING_POSIX_TERMIOS #ifdef RT_USING_POSIX_TERMIOS
case TCGETA: case TCGETA:
{ {
@ -1104,8 +1105,7 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
break; break;
case TCXONC: case TCXONC:
break; break;
#endif #endif /*RT_USING_POSIX_TERMIOS*/
#ifdef RT_USING_POSIX
case FIONREAD: case FIONREAD:
{ {
rt_size_t recved = 0; rt_size_t recved = 0;
@ -1118,7 +1118,15 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
*(rt_size_t *)args = recved; *(rt_size_t *)args = recved;
} }
break; break;
#endif case TIOCSWINSZ:
{
struct winsize* p_winsize;
p_winsize = (struct winsize*)args;
rt_kprintf("\x1b[8;%d;%dt", p_winsize->ws_col, p_winsize->ws_row);
}
break;
#endif /*RT_USING_POSIX*/
default : default :
/* control device */ /* control device */
ret = serial->ops->control(serial, cmd, args); ret = serial->ops->control(serial, cmd, args);