uzix/picocom
1
0
Fork 0
mirror of https://github.com/UzixLS/picocom.git synced 2025-07-19 07:21:18 +03:00
Code Issues Projects Releases Wiki Activity

Add command to toggle RTS

Browse Source
This commit is contained in:
Cody Planteen
2016-10-14 19:06:26 -06:00
parent 68c2c7041c
commit a30867c366
4 changed files with 160 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
term.c
View File

@ -100,7 +100,9 @@ static const char * const term_err_str[] = {
[TERM_EDTRUP] = "Cannot raise DTR",
[TERM_EMCTL] = "Cannot get mctl status",
[TERM_EDRAIN] = "Cannot drain the device",
[TERM_EBREAK] = "Cannot send break sequence"
[TERM_EBREAK] = "Cannot send break sequence",
[TERM_ERTSDOWN] = "Cannot lower RTS",
[TERM_ERTSUP] = "Cannot raise RTS"
};
static char term_err_buff[1024];
@ -137,6 +139,8 @@ term_strerror (int terrnum, int errnum)
case TERM_EDTRDOWN:
case TERM_EDTRUP:
case TERM_EMCTL:
case TERM_ERTSDOWN:
case TERM_ERTSUP:
snprintf(term_err_buff, sizeof(term_err_buff),
"%s", term_err_str[terrnum]);
rval = term_err_buff;
@ -1437,6 +1441,105 @@ term_lower_dtr(int fd)
return rval;
}
/***************************************************************************/
int
term_raise_rts(int fd)
{
int rval, r, i;
rval = 0;
do { /* dummy */
i = term_find(fd);
if ( i < 0 ) {
rval = -1;
break;
}
#ifdef __linux__
{
int opins = TIOCM_RTS;
r = ioctl(fd, TIOCMBIS, &opins);
if ( r < 0 ) {
term_errno = TERM_ERTSUP;
rval = -1;
break;
}
}
#else
r = tcsetattr(fd, TCSANOW, &term.currtermios[i]);
if ( r < 0 ) {
/* FIXME: perhaps try to update currtermios */
term_errno = TERM_ESETATTR;
rval = -1;
break;
}
#endif /* of __linux__ */
} while (0);
return rval;
}
/***************************************************************************/
int
term_lower_rts(int fd)
{
int rval, r, i;
rval = 0;
do { /* dummy */
i = term_find(fd);
if ( i < 0 ) {
rval = -1;
break;
}
#ifdef __linux__
{
int opins = TIOCM_RTS;
r = ioctl(fd, TIOCMBIC, &opins);
if ( r < 0 ) {
term_errno = TERM_ERTSDOWN;
rval = -1;
break;
}
}
#else
{
struct termios tio;
r = tcgetattr(fd, &tio);
if ( r < 0 ) {
term_errno = TERM_EGETATTR;
rval = -1;
break;
}
term.currtermios[i] = tio;
cfsetospeed(&tio, B0);
cfsetispeed(&tio, B0);
r = tcsetattr(fd, TCSANOW, &tio);
if ( r < 0 ) {
term_errno = TERM_ESETATTR;
rval = -1;
break;
}
}
#endif /* of __linux__ */
} while (0);
return rval;
}
/***************************************************************************/
int