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Allow for setting DTR on a serial port

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This commit is contained in:
Armin Wolf 2023-09-01 21:18:25 +02:00 • committed by Adam Honse
parent 1996d34650
commit 0279aafb97
2 changed files with 48 additions and 0 deletions
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47
serial_port/serial_port.cpp
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@ -660,6 +660,53 @@ void serial_port::serial_break()
#endif
}
void serial_port::serial_set_dtr(bool dtr)
{
/*-----------------------------------------------------*\
| Windows-specific code path for serial set DTR |
\*-----------------------------------------------------*/
#ifdef _WIN32
if(dtr)
{
EscapeCommFunction(file_descriptor, SETDTR);
}
else
{
EscapeCommFunction(file_descriptor, CLRDTR);
}
#endif
/*-----------------------------------------------------*\
| Linux-specific code path for serial set DTR |
\*-----------------------------------------------------*/
#ifdef __linux__
const int DTRFLAG = TIOCM_DTR;
if(dtr)
{
ioctl(file_descriptor, TIOCMBIS, &DTRFLAG);
}
else
{
ioctl(file_descriptor, TIOCMBIC, &DTRFLAG);
}
#endif
/*-----------------------------------------------------*\
| MacOS-specific code path for serial set DTR |
\*-----------------------------------------------------*/
#ifdef __APPLE__
const int DTRFLAG = TIOCM_DTR;
if(dtr)
{
ioctl(file_descriptor, TIOCMBIS, &DTRFLAG);
}
else
{
ioctl(file_descriptor, TIOCMBIC, &DTRFLAG);
}
#endif
}
void serial_port::serial_set_rts(bool rts)
{
/*-----------------------------------------------------*\