//
// included from /usr/include/linux/serial.h
//
// struct serial_icounter_struct {
// int cts, dsr, rng, dcd;
// int rx, tx;
// int frame, overrun, parity, brk;
// int buf_overrun;
// int reserved[9];
// };
//
int SerialPort::Ioctl(int cmd, void* args)
{
int count = 0;
int err = 0;
struct serial_icounter_struct info;
SerialPort_EINFO einfo;
switch(cmd) {
case CTB_RESET:
return SendBreak(0);
case CTB_SER_GETEINFO:
err = ioctl(fd,TIOCGICOUNT,&info);
if(err) return err;
einfo.brk = info.brk - save_info.brk;
einfo.frame = info.frame - save_info.frame;
einfo.overrun = info.overrun - save_info.overrun;
einfo.parity = info.parity - save_info.parity;
*(SerialPort_EINFO*)args = einfo;
break;
case CTB_SER_GETBRK:
err = ioctl(fd,TIOCGICOUNT,&info);
if(err) return err;
if(last_info.brk != info.brk) count = 1;
break;
case CTB_SER_GETFRM:
err = ioctl(fd,TIOCGICOUNT,&info);
if(err) return err;
if(last_info.frame != info.frame) count = 1;
break;
case CTB_SER_GETOVR:
err = ioctl(fd,TIOCGICOUNT,&info);
if(err) return err;
if(last_info.overrun != info.overrun) count = 1;
break;
case CTB_SER_GETPAR:
err = ioctl(fd,TIOCGICOUNT,&info);
if(err) return err;
if(last_info.parity != info.parity) count = 1;
break;
case CTB_SER_GETINQUE:
err = ioctl(fd,TIOCINQ,&count);
if(err) return err;
*(int*)args = count;
return 0;
case CTB_SER_SETPAR:
return SetParityBit( *(int*)args == 1 );
default:
return -1;
}
last_info = info;
return 0;
};
int SerialPort::Ioctl(int cmd,void* args)
{
COMSTAT comstat;
DWORD errors;
int result = 0;
//bool brk;
switch(cmd) {
case CTB_RESET:
return SendBreak(0);
case CTB_SER_GETEINFO:
if(ClearCommError(fd,&errors,&comstat)) {
// actualize the last events
if(errors & CE_BREAK) einfo.brk++;
if(errors & CE_FRAME) einfo.frame++;
if(errors & CE_OVERRUN) einfo.overrun++;
if(errors & CE_RXPARITY) einfo.parity++;
*(SerialPort_EINFO*)args = einfo;
return 0;
}
case CTB_SER_GETBRK:
if(ClearCommError(fd,&errors,&comstat)) {
if(errors & CE_BREAK) result = 1;
einfo.brk += result;
*(int*)args = result;
return 0;
}
break;
case CTB_SER_GETFRM:
if(ClearCommError(fd,&errors,&comstat)) {
if(errors & CE_FRAME) result = 1;
einfo.frame += result;
*(int*)args = result;
return 0;
}
case CTB_SER_GETOVR:
if(ClearCommError(fd,&errors,&comstat)) {
if(errors & CE_OVERRUN) result = 1;
einfo.overrun += result;
*(int*)args = result;
return 0;
}
break;
case CTB_SER_GETPAR:
if(ClearCommError(fd,&errors,&comstat)) {
if(errors & CE_RXPARITY) result = 1;
einfo.parity += result;
*(int*)args = result;
return 0;
}
break;
case CTB_SER_GETINQUE:
if(ClearCommError(fd,&errors,&comstat)) {
*(int*)args = (int)comstat.cbInQue;
return 0;
}
break;
case CTB_SER_SETPAR:
return SetParityBit( *(int*)args == 1 );
}
// error or unknown command
return -1;
};
