/*!
\fn void Win_QextSerialPort::setParity(ParityType parity)
Sets the parity associated with the serial port. The possible values of parity are:
\verbatim
PAR_SPACE Space Parity
PAR_MARK Mark Parity
PAR_NONE No Parity
PAR_EVEN Even Parity
PAR_ODD Odd Parity
\endverbatim
*/
void Win_QextSerialPort::setParity(ParityType parity) {
LOCK_MUTEX();
if (Settings.Parity!=parity) {
Settings.Parity=parity;
}
if (isOpen()) {
Win_CommConfig.dcb.Parity=(unsigned char)parity;
switch (parity) {
/*space parity*/
case PAR_SPACE:
if (Settings.DataBits==DATA_8) {
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: Space parity with 8 data bits is not supported by POSIX systems.");
}
Win_CommConfig.dcb.fParity=TRUE;
break;
/*mark parity - WINDOWS ONLY*/
case PAR_MARK:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: Mark parity is not supported by POSIX systems");
Win_CommConfig.dcb.fParity=TRUE;
break;
/*no parity*/
case PAR_NONE:
Win_CommConfig.dcb.fParity=FALSE;
break;
/*even parity*/
case PAR_EVEN:
Win_CommConfig.dcb.fParity=TRUE;
break;
/*odd parity*/
case PAR_ODD:
Win_CommConfig.dcb.fParity=TRUE;
break;
}
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
}
UNLOCK_MUTEX();
}
/*!
\fn void Win_QextSerialPort::setStopBits(StopBitsType stopBits)
Sets the number of stop bits used by the serial port. Possible values of stopBits are:
\verbatim
STOP_1 1 stop bit
STOP_1_5 1.5 stop bits
STOP_2 2 stop bits
\endverbatim
\note
This function is subject to the following restrictions:
\par
2 stop bits cannot be used with 5 data bits.
\par
1.5 stop bits cannot be used with 6 or more data bits.
\par
POSIX does not support 1.5 stop bits.
*/
void Win_QextSerialPort::setStopBits(StopBitsType stopBits) {
LOCK_MUTEX();
if (Settings.StopBits!=stopBits) {
if ((Settings.DataBits==DATA_5 && stopBits==STOP_2) ||
(stopBits==STOP_1_5 && Settings.DataBits!=DATA_5)) {
}
else {
Settings.StopBits=stopBits;
}
}
if (isOpen()) {
switch (stopBits) {
/*one stop bit*/
case STOP_1:
Win_CommConfig.dcb.StopBits=ONESTOPBIT;
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
break;
/*1.5 stop bits*/
case STOP_1_5:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: 1.5 stop bit operation is not supported by POSIX.");
if (Settings.DataBits!=DATA_5) {
TTY_WARNING("Win_QextSerialPort: 1.5 stop bits can only be used with 5 data bits");
}
else {
Win_CommConfig.dcb.StopBits=ONE5STOPBITS;
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
}
break;
/*two stop bits*/
case STOP_2:
if (Settings.DataBits==DATA_5) {
TTY_WARNING("Win_QextSerialPort: 2 stop bits cannot be used with 5 data bits");
}
else {
Win_CommConfig.dcb.StopBits=TWOSTOPBITS;
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
}
break;
}
}
UNLOCK_MUTEX();
}
/*!
Sets the baud rate of the serial port. Note that not all rates are applicable on
all platforms. The following table shows translations of the various baud rate
constants on Windows(including NT/2000) and POSIX platforms. Speeds marked with an *
are speeds that are usable on both Windows and POSIX.
\note
BAUD76800 may not be supported on all POSIX systems. SGI/IRIX systems do not support
BAUD1800.
\verbatim
RATE Windows Speed POSIX Speed
----------- ------------- -----------
BAUD50 110 50
BAUD75 110 75
*BAUD110 110 110
BAUD134 110 134.5
BAUD150 110 150
BAUD200 110 200
*BAUD300 300 300
*BAUD600 600 600
*BAUD1200 1200 1200
BAUD1800 1200 1800
*BAUD2400 2400 2400
*BAUD4800 4800 4800
*BAUD9600 9600 9600
BAUD14400 14400 9600
*BAUD19200 19200 19200
*BAUD38400 38400 38400
BAUD56000 56000 38400
*BAUD57600 57600 57600
BAUD76800 57600 76800
*BAUD115200 115200 115200
BAUD128000 128000 115200
BAUD256000 256000 115200
\endverbatim
*/
void QextSerialPort::setBaudRate(BaudRateType baudRate)
{
QMutexLocker lock(mutex);
if (Settings.BaudRate!=baudRate) {
switch (baudRate) {
case BAUD14400:
Settings.BaudRate=BAUD9600;
break;
case BAUD56000:
Settings.BaudRate=BAUD38400;
break;
case BAUD76800:
#ifndef B76800
Settings.BaudRate=BAUD57600;
#else
Settings.BaudRate=baudRate;
#endif
break;
case BAUD128000:
case BAUD256000:
Settings.BaudRate=BAUD115200;
break;
default:
Settings.BaudRate=baudRate;
break;
}
}
if (isOpen()) {
switch (baudRate) {
/*50 baud*/
case BAUD50:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows does not support 50 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B50;
#else
cfsetispeed(&Posix_CommConfig, B50);
cfsetospeed(&Posix_CommConfig, B50);
#endif
break;
/*75 baud*/
case BAUD75:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows does not support 75 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B75;
#else
cfsetispeed(&Posix_CommConfig, B75);
cfsetospeed(&Posix_CommConfig, B75);
#endif
break;
/*110 baud*/
case BAUD110:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B110;
#else
cfsetispeed(&Posix_CommConfig, B110);
cfsetospeed(&Posix_CommConfig, B110);
#endif
break;
/*134.5 baud*/
case BAUD134:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows does not support 134.5 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B134;
#else
cfsetispeed(&Posix_CommConfig, B134);
cfsetospeed(&Posix_CommConfig, B134);
#endif
break;
/*150 baud*/
case BAUD150:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows does not support 150 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B150;
#else
cfsetispeed(&Posix_CommConfig, B150);
cfsetospeed(&Posix_CommConfig, B150);
#endif
break;
/*200 baud*/
case BAUD200:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows does not support 200 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B200;
#else
cfsetispeed(&Posix_CommConfig, B200);
cfsetospeed(&Posix_CommConfig, B200);
#endif
break;
/*300 baud*/
case BAUD300:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B300;
#else
cfsetispeed(&Posix_CommConfig, B300);
cfsetospeed(&Posix_CommConfig, B300);
#endif
break;
/*600 baud*/
case BAUD600:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B600;
#else
cfsetispeed(&Posix_CommConfig, B600);
cfsetospeed(&Posix_CommConfig, B600);
#endif
break;
/*1200 baud*/
case BAUD1200:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B1200;
#else
cfsetispeed(&Posix_CommConfig, B1200);
cfsetospeed(&Posix_CommConfig, B1200);
#endif
break;
/*1800 baud*/
case BAUD1800:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows and IRIX do not support 1800 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B1800;
#else
cfsetispeed(&Posix_CommConfig, B1800);
cfsetospeed(&Posix_CommConfig, B1800);
#endif
break;
/*2400 baud*/
case BAUD2400:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B2400;
#else
cfsetispeed(&Posix_CommConfig, B2400);
cfsetospeed(&Posix_CommConfig, B2400);
#endif
break;
/*4800 baud*/
case BAUD4800:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B4800;
#else
cfsetispeed(&Posix_CommConfig, B4800);
cfsetospeed(&Posix_CommConfig, B4800);
#endif
break;
/*9600 baud*/
case BAUD9600:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B9600;
#else
cfsetispeed(&Posix_CommConfig, B9600);
cfsetospeed(&Posix_CommConfig, B9600);
#endif
break;
/*14400 baud*/
case BAUD14400:
TTY_WARNING("QextSerialPort: POSIX does not support 14400 baud operation. Switching to 9600 baud.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B9600;
#else
cfsetispeed(&Posix_CommConfig, B9600);
cfsetospeed(&Posix_CommConfig, B9600);
#endif
break;
/*19200 baud*/
case BAUD19200:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B19200;
#else
cfsetispeed(&Posix_CommConfig, B19200);
cfsetospeed(&Posix_CommConfig, B19200);
#endif
break;
/*38400 baud*/
case BAUD38400:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B38400;
#else
cfsetispeed(&Posix_CommConfig, B38400);
cfsetospeed(&Posix_CommConfig, B38400);
#endif
break;
/*56000 baud*/
case BAUD56000:
TTY_WARNING("QextSerialPort: POSIX does not support 56000 baud operation. Switching to 38400 baud.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B38400;
#else
cfsetispeed(&Posix_CommConfig, B38400);
cfsetospeed(&Posix_CommConfig, B38400);
#endif
break;
/*57600 baud*/
case BAUD57600:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B57600;
#else
cfsetispeed(&Posix_CommConfig, B57600);
cfsetospeed(&Posix_CommConfig, B57600);
#endif
break;
/*76800 baud*/
case BAUD76800:
TTY_PORTABILITY_WARNING("QextSerialPort Portability Warning: Windows and some POSIX systems do not support 76800 baud operation.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
#ifdef B76800
Posix_CommConfig.c_cflag|=B76800;
#else
TTY_WARNING("QextSerialPort: QextSerialPort was compiled without 76800 baud support. Switching to 57600 baud.");
Posix_CommConfig.c_cflag|=B57600;
#endif //B76800
#else //CBAUD
#ifdef B76800
cfsetispeed(&Posix_CommConfig, B76800);
cfsetospeed(&Posix_CommConfig, B76800);
#else
TTY_WARNING("QextSerialPort: QextSerialPort was compiled without 76800 baud support. Switching to 57600 baud.");
cfsetispeed(&Posix_CommConfig, B57600);
cfsetospeed(&Posix_CommConfig, B57600);
#endif //B76800
#endif //CBAUD
break;
/*115200 baud*/
case BAUD115200:
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B115200;
#else
cfsetispeed(&Posix_CommConfig, B115200);
cfsetospeed(&Posix_CommConfig, B115200);
#endif
break;
/*128000 baud*/
case BAUD128000:
TTY_WARNING("QextSerialPort: POSIX does not support 128000 baud operation. Switching to 115200 baud.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B115200;
#else
cfsetispeed(&Posix_CommConfig, B115200);
cfsetospeed(&Posix_CommConfig, B115200);
#endif
break;
/*256000 baud*/
case BAUD256000:
TTY_WARNING("QextSerialPort: POSIX does not support 256000 baud operation. Switching to 115200 baud.");
#ifdef CBAUD
Posix_CommConfig.c_cflag&=(~CBAUD);
Posix_CommConfig.c_cflag|=B115200;
#else
cfsetispeed(&Posix_CommConfig, B115200);
cfsetospeed(&Posix_CommConfig, B115200);
#endif
break;
}
tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig);
}
}
/*!
Sets the parity associated with the serial port. The possible values of parity are:
\verbatim
PAR_SPACE Space Parity
PAR_MARK Mark Parity
PAR_NONE No Parity
PAR_EVEN Even Parity
PAR_ODD Odd Parity
\endverbatim
\note
This function is subject to the following limitations:
\par
POSIX systems do not support mark parity.
\par
POSIX systems support space parity only if tricked into doing so, and only with
fewer than 8 data bits. Use space parity very carefully with POSIX systems.
*/
void QextSerialPort::setParity(ParityType parity)
{
QMutexLocker lock(mutex);
if (Settings.Parity!=parity) {
if (parity==PAR_MARK || (parity==PAR_SPACE && Settings.DataBits==DATA_8)) {
}
else {
Settings.Parity=parity;
}
}
if (isOpen()) {
switch (parity) {
/*space parity*/
case PAR_SPACE:
if (Settings.DataBits==DATA_8) {
TTY_PORTABILITY_WARNING("QextSerialPort: Space parity is only supported in POSIX with 7 or fewer data bits");
}
else {
/*space parity not directly supported - add an extra data bit to simulate it*/
Posix_CommConfig.c_cflag&=~(PARENB|CSIZE);
switch(Settings.DataBits) {
case DATA_5:
Settings.DataBits=DATA_6;
Posix_CommConfig.c_cflag|=CS6;
break;
case DATA_6:
Settings.DataBits=DATA_7;
Posix_CommConfig.c_cflag|=CS7;
break;
case DATA_7:
Settings.DataBits=DATA_8;
Posix_CommConfig.c_cflag|=CS8;
break;
case DATA_8:
break;
}
tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig);
}
break;
/*mark parity - WINDOWS ONLY*/
case PAR_MARK:
TTY_WARNING("QextSerialPort: Mark parity is not supported by POSIX.");
break;
/*no parity*/
case PAR_NONE:
Posix_CommConfig.c_cflag&=(~PARENB);
tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig);
break;
/*even parity*/
case PAR_EVEN:
Posix_CommConfig.c_cflag&=(~PARODD);
Posix_CommConfig.c_cflag|=PARENB;
tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig);
break;
/*odd parity*/
case PAR_ODD:
Posix_CommConfig.c_cflag|=(PARENB|PARODD);
tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig);
break;
}
}
}
/*!
\fn void Win_QextSerialPort::setBaudRate(BaudRateType baudRate)
Sets the baud rate of the serial port. Note that not all rates are applicable on
all platforms. The following table shows translations of the various baud rate
constants on Windows(including NT/2000) and POSIX platforms. Speeds marked with an *
are speeds that are usable on both Windows and POSIX.
\verbatim
RATE Windows Speed POSIX Speed
----------- ------------- -----------
BAUD50 110 50
BAUD75 110 75
*BAUD110 110 110
BAUD134 110 134.5
BAUD150 110 150
BAUD200 110 200
*BAUD300 300 300
*BAUD600 600 600
*BAUD1200 1200 1200
BAUD1800 1200 1800
*BAUD2400 2400 2400
*BAUD4800 4800 4800
*BAUD9600 9600 9600
BAUD14400 14400 9600
*BAUD19200 19200 19200
*BAUD38400 38400 38400
BAUD56000 56000 38400
*BAUD57600 57600 57600
BAUD76800 57600 76800
*BAUD115200 115200 115200
BAUD128000 128000 115200
BAUD256000 256000 115200
\endverbatim
*/
void Win_QextSerialPort::setBaudRate(BaudRateType baudRate) {
LOCK_MUTEX();
if (Settings.BaudRate!=baudRate) {
switch (baudRate) {
case BAUD50:
case BAUD75:
case BAUD134:
case BAUD150:
case BAUD200:
Settings.BaudRate=BAUD110;
break;
case BAUD1800:
Settings.BaudRate=BAUD1200;
break;
case BAUD76800:
Settings.BaudRate=BAUD57600;
break;
default:
Settings.BaudRate=baudRate;
break;
}
}
if (isOpen()) {
switch (baudRate) {
/*50 baud*/
case BAUD50:
TTY_WARNING("Win_QextSerialPort: Windows does not support 50 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*75 baud*/
case BAUD75:
TTY_WARNING("Win_QextSerialPort: Windows does not support 75 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*110 baud*/
case BAUD110:
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*134.5 baud*/
case BAUD134:
TTY_WARNING("Win_QextSerialPort: Windows does not support 134.5 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*150 baud*/
case BAUD150:
TTY_WARNING("Win_QextSerialPort: Windows does not support 150 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*200 baud*/
case BAUD200:
TTY_WARNING("Win_QextSerialPort: Windows does not support 200 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
/*300 baud*/
case BAUD300:
Win_CommConfig.dcb.BaudRate=CBR_300;
break;
/*600 baud*/
case BAUD600:
Win_CommConfig.dcb.BaudRate=CBR_600;
break;
/*1200 baud*/
case BAUD1200:
Win_CommConfig.dcb.BaudRate=CBR_1200;
break;
/*1800 baud*/
case BAUD1800:
TTY_WARNING("Win_QextSerialPort: Windows does not support 1800 baud operation. Switching to 1200 baud.");
Win_CommConfig.dcb.BaudRate=CBR_1200;
break;
/*2400 baud*/
case BAUD2400:
Win_CommConfig.dcb.BaudRate=CBR_2400;
break;
/*4800 baud*/
case BAUD4800:
Win_CommConfig.dcb.BaudRate=CBR_4800;
break;
/*9600 baud*/
case BAUD9600:
Win_CommConfig.dcb.BaudRate=CBR_9600;
break;
/*14400 baud*/
case BAUD14400:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 14400 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_14400;
break;
/*19200 baud*/
case BAUD19200:
Win_CommConfig.dcb.BaudRate=CBR_19200;
break;
/*38400 baud*/
case BAUD38400:
Win_CommConfig.dcb.BaudRate=CBR_38400;
break;
/*56000 baud*/
case BAUD56000:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 56000 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_56000;
break;
/*57600 baud*/
case BAUD57600:
Win_CommConfig.dcb.BaudRate=CBR_57600;
break;
/*76800 baud*/
case BAUD76800:
TTY_WARNING("Win_QextSerialPort: Windows does not support 76800 baud operation. Switching to 57600 baud.");
Win_CommConfig.dcb.BaudRate=CBR_57600;
break;
/*115200 baud*/
case BAUD115200:
Win_CommConfig.dcb.BaudRate=CBR_115200;
break;
/*128000 baud*/
case BAUD128000:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 128000 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_128000;
break;
/*256000 baud*/
case BAUD256000:
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 256000 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_256000;
break;
}
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
}
UNLOCK_MUTEX();
}
// This function reads the current Win_CommConfig settings and updates this
// structure with saved settings
bool Win_QextSerialPort::UpdateComConfig(void)
{
// Question: Is it possible to change the win_commConfig settings while the port is open? - yes, but not all settings!!! Baud rate can only be changed on closed ports.
// BUG replace global win_commConfig
COMMCONFIG Win_CommConfig;
COMMCONFIG readCommConfig;
Q_ASSERT(Win_Handle!=INVALID_HANDLE_VALUE);
LOCK_MUTEX();
unsigned long confSize = sizeof(COMMCONFIG);
Win_CommConfig.dwSize = confSize; // TODO: what is this?
// read current settings
GetCommConfig(Win_Handle, &Win_CommConfig, &confSize);
GetCommState(Win_Handle, &(Win_CommConfig.dcb));
/*set up default parameters*/
Win_CommConfig.dcb.fBinary = TRUE;
Win_CommConfig.dcb.fAbortOnError = FALSE;
Win_CommConfig.dcb.fNull = FALSE;
Win_CommConfig.dcb.Parity = NOPARITY;
Win_CommConfig.dcb.StopBits = ONESTOPBIT;
Win_CommConfig.dcb.fParity = TRUE;
// data bit settings
switch (Settings.DataBits)
{
case DATA_5:/*5 data bits*/
if (Settings.StopBits==STOP_2) { //BUG think about warnings
TTY_WARNING("Win_QextSerialPort: 5 Data bits cannot be used with 2 stop bits.");
} else {
Win_CommConfig.dcb.ByteSize=5;
}
break;
case DATA_6:/*6 data bits*/
if (Settings.StopBits==STOP_1_5) {
TTY_WARNING("Win_QextSerialPort: 6 Data bits cannot be used with 1.5 stop bits.");
} else {
Win_CommConfig.dcb.ByteSize=6;
}
break;
case DATA_7:/*7 data bits*/
if (Settings.StopBits==STOP_1_5) {
TTY_WARNING("Win_QextSerialPort: 7 Data bits cannot be used with 1.5 stop bits.");
} else {
Win_CommConfig.dcb.ByteSize=7;
}
break;
case DATA_8:/*8 data bits*/
if (Settings.StopBits==STOP_1_5) {
TTY_WARNING("Win_QextSerialPort: 8 Data bits cannot be used with 1.5 stop bits.");
} else {
Win_CommConfig.dcb.ByteSize=8;
}
break;
default:
Q_ASSERT(0); // This should never happen BUG replace by a error message
}
// parity settings
switch (Settings.Parity) {
case PAR_SPACE: /*space parity*/
if (Settings.DataBits==DATA_8) { // BUG this assumes that data was set first
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: Space parity with 8 data bits is not supported by POSIX systems.");
}
Win_CommConfig.dcb.fParity=TRUE; // enable parity checking
Win_CommConfig.dcb.Parity=SPACEPARITY;
break;
case PAR_MARK: /* mark parity - WINDOWS ONLY */
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: Mark parity is not supported by POSIX systems");
Win_CommConfig.dcb.fParity=TRUE; // enable parity checking
Win_CommConfig.dcb.Parity=MARKPARITY;
break;
case PAR_NONE: /* no parity */
Win_CommConfig.dcb.fParity=FALSE; // disable parity checking
Win_CommConfig.dcb.Parity=NOPARITY;
break;
case PAR_EVEN:/* even parity */
Win_CommConfig.dcb.fParity=TRUE; // enable parity checking
Win_CommConfig.dcb.Parity=EVENPARITY;
break;
case PAR_ODD:/* odd parity */
Win_CommConfig.dcb.fParity=TRUE; // enable parity checking
Win_CommConfig.dcb.Parity=ODDPARITY;
break;
default:
Q_ASSERT(0); // This should never happen BUG replace by a error message
}
// baud settings
switch (Settings.BaudRate) {
case BAUD50:/*50 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 50 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD75:/*75 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 75 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD110:/*110 baud*/
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD134: /*134.5 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 134.5 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD150:/*150 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 150 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD200:/*200 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 200 baud operation. Switching to 110 baud.");
Win_CommConfig.dcb.BaudRate=CBR_110;
break;
case BAUD300:/*300 baud*/
Win_CommConfig.dcb.BaudRate=CBR_300;
break;
case BAUD600:/*600 baud*/
Win_CommConfig.dcb.BaudRate=CBR_600;
break;
case BAUD1200:/*1200 baud*/
Win_CommConfig.dcb.BaudRate=CBR_1200;
break;
case BAUD1800:/*1800 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 1800 baud operation. Switching to 1200 baud.");
Win_CommConfig.dcb.BaudRate=CBR_1200;
break;
case BAUD2400:/*2400 baud*/
Win_CommConfig.dcb.BaudRate=CBR_2400;
break;
case BAUD4800:/*4800 baud*/
Win_CommConfig.dcb.BaudRate=CBR_4800;
break;
case BAUD9600:/*9600 baud*/
Win_CommConfig.dcb.BaudRate=CBR_9600;
break;
case BAUD14400:/*14400 baud*/
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 14400 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_14400;
break;
case BAUD19200:/*19200 baud*/
Win_CommConfig.dcb.BaudRate=CBR_19200;
break;
case BAUD38400:/*38400 baud*/
Win_CommConfig.dcb.BaudRate=CBR_38400;
break;
case BAUD56000:/*56000 baud*/
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: POSIX does not support 56000 baud operation.");
Win_CommConfig.dcb.BaudRate=CBR_56000;
break;
case BAUD57600:/*57600 baud*/
Win_CommConfig.dcb.BaudRate=CBR_57600;
break;
case BAUD76800:/*76800 baud*/
TTY_WARNING("Win_QextSerialPort: Windows does not support 76800 baud operation. Switching to 57600 baud.");
Win_CommConfig.dcb.BaudRate=CBR_57600;
break;
case BAUD115200:/*115200 baud*/
Win_CommConfig.dcb.BaudRate=CBR_115200;
break;
case BAUD128000:
Win_CommConfig.dcb.BaudRate=CBR_128000;
break;
case BAUD230400:
Win_CommConfig.dcb.BaudRate=230400;
break;
case BAUD250000:
Win_CommConfig.dcb.BaudRate=250000;
break;
case BAUD460800:
Win_CommConfig.dcb.BaudRate = 460800;
break;
case BAUD500000:
Win_CommConfig.dcb.BaudRate = 500000;
break;
case BAUD614400:
Win_CommConfig.dcb.BaudRate = 614400;
break;
case BAUD750000:
Win_CommConfig.dcb.BaudRate = 750000;
break;
case BAUD921600:
Win_CommConfig.dcb.BaudRate = 921600;
break;
case BAUD1000000:
Win_CommConfig.dcb.BaudRate = 1000000;
break;
case BAUD1228800:
Win_CommConfig.dcb.BaudRate = 1228800;
break;
case BAUD2457600:
Win_CommConfig.dcb.BaudRate = 2457600;
break;
case BAUD3000000:
Win_CommConfig.dcb.BaudRate = 3000000;
break;
case BAUD6000000:
Win_CommConfig.dcb.BaudRate = 6000000;
break;
default:
Win_CommConfig.dcb.BaudRate = (unsigned int)Settings.BaudRate;
break;
}
// STOP bits
switch (Settings.StopBits) {
case STOP_1:/*one stop bit*/
Win_CommConfig.dcb.StopBits=ONESTOPBIT;
break;
case STOP_1_5:/*1.5 stop bits*/
TTY_PORTABILITY_WARNING("Win_QextSerialPort Portability Warning: 1.5 stop bit operation is not supported by POSIX.");
if (Settings.DataBits!=DATA_5) {
TTY_WARNING("Win_QextSerialPort: 1.5 stop bits can only be used with 5 data bits");
} else {
Win_CommConfig.dcb.StopBits=ONE5STOPBITS;
}
break;
case STOP_2:/*two stop bits*/
if (Settings.DataBits==DATA_5) {// BUG this assumes, that DATA was set first
TTY_WARNING("Win_QextSerialPort: 2 stop bits cannot be used with 5 data bits");
} else {
Win_CommConfig.dcb.StopBits=TWOSTOPBITS;
}
break;
default:
Q_ASSERT(0); // This should never happen BUG replace by a error message
}
switch (Settings.FlowControl) {
case FLOW_OFF:/*no flow control*/
Win_CommConfig.dcb.fOutxCtsFlow = FALSE;
Win_CommConfig.dcb.fOutxDsrFlow = FALSE;
Win_CommConfig.dcb.fRtsControl=RTS_CONTROL_DISABLE;
Win_CommConfig.dcb.fInX=FALSE;
Win_CommConfig.dcb.fOutX=FALSE;
break;
case FLOW_XONXOFF:/*software (XON/XOFF) flow control*/
Win_CommConfig.dcb.fOutxCtsFlow = FALSE;
Win_CommConfig.dcb.fOutxDsrFlow = FALSE;
Win_CommConfig.dcb.fRtsControl=RTS_CONTROL_DISABLE;
Win_CommConfig.dcb.fInX=TRUE;
Win_CommConfig.dcb.fOutX=TRUE;
break;
case FLOW_HARDWARE:
Win_CommConfig.dcb.fOutxCtsFlow=TRUE;
Win_CommConfig.dcb.fOutxDsrFlow = FALSE; // guess?
Win_CommConfig.dcb.fRtsControl=RTS_CONTROL_HANDSHAKE;
Win_CommConfig.dcb.fInX=FALSE;
Win_CommConfig.dcb.fOutX=FALSE;
break;
default:
Q_ASSERT(0); // This should never happen BUG replace by a error message
}
// write configuration back
SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG));
// read current settings
GetCommConfig(Win_Handle, &readCommConfig, &confSize);
UNLOCK_MUTEX();
if(Win_CommConfig.dcb.BaudRate != readCommConfig.dcb.BaudRate)
{
Settings.BaudRate = readCommConfig.dcb.BaudRate;
}
return true;
}
/*!
\fn void Posix_QextSerialPort::setParity(ParityType parity)
Sets the parity associated with the serial port. The possible values of parity are:
\verbatim
PAR_SPACE Space Parity
PAR_MARK Mark Parity
PAR_NONE No Parity
PAR_EVEN Even Parity
PAR_ODD Odd Parity
\endverbatim
\note
This function is subject to the following limitations:
\par
POSIX systems do not support mark parity.
\par
POSIX systems support space parity only if tricked into doing so, and only with
fewer than 8 data bits. Use space parity very carefully with POSIX systems.
*/
void Posix_QextSerialPort::setParity(ParityType parity) {
LOCK_MUTEX();
if (Settings.Parity!=parity) {
if (parity==PAR_MARK || (parity==PAR_SPACE && Settings.DataBits==DATA_8)) {
}
else {
Settings.Parity=parity;
}
}
#ifdef NOQFILE
int fdFile=m_fdFile;
#else
int fdFile=Posix_File->handle();
#endif
if (portOpen) {
tcgetattr(fdFile, &Posix_CommConfig);
switch (parity) {
/*space parity*/
case PAR_SPACE:
#ifdef Q_OS_LINUX
Posix_CommConfig.c_cflag |= PARENB | CMSPAR;
Posix_CommConfig.c_cflag &= ~PARODD;
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
#else
if (Settings.DataBits==DATA_8) {
TTY_PORTABILITY_WARNING("Posix_QextSerialPort: Space parity is only supported in POSIX with 7 or fewer data bits");
}
else {
/*space parity not directly supported - add an extra data bit to simulate it*/
Posix_CommConfig.c_cflag&=~(PARENB|CSIZE);
switch(Settings.DataBits) {
case DATA_5:
Settings.DataBits=DATA_6;
Posix_CommConfig.c_cflag|=CS6;
break;
case DATA_6:
Settings.DataBits=DATA_7;
Posix_CommConfig.c_cflag|=CS7;
break;
case DATA_7:
Settings.DataBits=DATA_8;
Posix_CommConfig.c_cflag|=CS8;
break;
case DATA_8:
break;
}
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
}
#endif
break;
/*mark parity - WINDOWS ONLY*/
case PAR_MARK:
#ifdef Q_OS_LINUX
Posix_CommConfig.c_cflag |= PARENB | CMSPAR | PARODD;
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
#else
TTY_WARNING("Posix_QextSerialPort: Mark parity is not supported by POSIX.");
#endif
break;
/*no parity*/
case PAR_NONE:
Posix_CommConfig.c_cflag&=(~PARENB);
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
break;
/*even parity*/
case PAR_EVEN:
Posix_CommConfig.c_cflag&=(~PARODD);
Posix_CommConfig.c_cflag|=PARENB;
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
break;
/*odd parity*/
case PAR_ODD:
Posix_CommConfig.c_cflag|=(PARENB|PARODD);
tcsetattr(fdFile, TCSANOW, &Posix_CommConfig);
break;
default:
break;
}
}
UNLOCK_MUTEX();
}
