/*! \fn void Win_QextSerialPort::setDataBits(DataBitsType dataBits) Sets the number of data bits used by the serial port. Possible values of dataBits are: \verbatim DATA_5 5 data bits DATA_6 6 data bits DATA_7 7 data bits DATA_8 8 data bits \endverbatim \note This function is subject to the following restrictions: \par 5 data bits cannot be used with 2 stop bits. \par 1.5 stop bits can only be used with 5 data bits. \par 8 data bits cannot be used with space parity on POSIX systems. */ void Win_QextSerialPort::setDataBits(DataBitsType dataBits) { LOCK_MUTEX(); if (Settings.DataBits!=dataBits) { if ((Settings.StopBits==STOP_2 && dataBits==DATA_5) || (Settings.StopBits==STOP_1_5 && dataBits!=DATA_5)) { } else { Settings.DataBits=dataBits; } } if (isOpen()) { switch(dataBits) { /*5 data bits*/ case DATA_5: if (Settings.StopBits==STOP_2) { TTY_WARNING("Win_QextSerialPort: 5 Data bits cannot be used with 2 stop bits."); } else { Win_CommConfig.dcb.ByteSize=5; SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG)); } break; /*6 data bits*/ case DATA_6: 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; SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG)); } break; /*7 data bits*/ case DATA_7: 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; SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG)); } break; /*8 data bits*/ case DATA_8: 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; SetCommConfig(Win_Handle, &Win_CommConfig, sizeof(COMMCONFIG)); } break; } } UNLOCK_MUTEX(); }
/*! \fn void Posix_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 POSIX does not support 1.5 stop bits. */ void Posix_QextSerialPort::setStopBits(StopBitsType stopBits) { LOCK_MUTEX(); if (Settings.StopBits!=stopBits) { if ((Settings.DataBits==DATA_5 && stopBits==STOP_2) || stopBits==STOP_1_5) {} else { Settings.StopBits=stopBits; } } #ifdef NOQFILE int fdFile=m_fdFile; #else int fdFile=Posix_File->handle(); #endif if (portOpen) { tcgetattr(fdFile, &Posix_CommConfig); switch (stopBits) { /*one stop bit*/ case STOP_1: Settings.StopBits=stopBits; Posix_CommConfig.c_cflag&=(~CSTOPB); tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); break; /*1.5 stop bits*/ case STOP_1_5: TTY_WARNING("Posix_QextSerialPort: 1.5 stop bit operation is not supported by POSIX."); break; /*two stop bits*/ case STOP_2: if (Settings.DataBits==DATA_5) { TTY_WARNING("Posix_QextSerialPort: 2 stop bits cannot be used with 5 data bits"); } else { Settings.StopBits=stopBits; Posix_CommConfig.c_cflag|=CSTOPB; tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); } break; default: break; } } 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(); }
/*! \fn void Posix_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 POSIX does not support 1.5 stop bits. */ void Posix_QextSerialPort::setStopBits(StopBitsType stopBits) { LOCK_MUTEX(); if (Settings.StopBits!=stopBits) { if ((Settings.DataBits==DATA_5 && stopBits==STOP_2) || stopBits==STOP_1_5) {} else { Settings.StopBits=stopBits; } } if (isOpen()) { switch (stopBits) { /*one stop bit*/ case STOP_1: Settings.StopBits=stopBits; Posix_CommConfig.c_cflag&=(~CSTOPB); tcsetattr(Posix_File->handle(), TCSAFLUSH, &Posix_CommConfig); break; /*1.5 stop bits*/ case STOP_1_5: TTY_WARNING("Posix_QextSerialPort: 1.5 stop bit operation is not supported by POSIX."); break; /*two stop bits*/ case STOP_2: if (Settings.DataBits==DATA_5) { TTY_WARNING("Posix_QextSerialPort: 2 stop bits cannot be used with 5 data bits"); } else { Settings.StopBits=stopBits; Posix_CommConfig.c_cflag|=CSTOPB; tcsetattr(Posix_File->handle(), TCSAFLUSH, &Posix_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; } } }
/*! Sets the number of data bits used by the serial port. Possible values of dataBits are: \verbatim DATA_5 5 data bits DATA_6 6 data bits DATA_7 7 data bits DATA_8 8 data bits \endverbatim \note This function is subject to the following restrictions: \par 5 data bits cannot be used with 2 stop bits. \par 8 data bits cannot be used with space parity on POSIX systems. */ void QextSerialPort::setDataBits(DataBitsType dataBits) { QMutexLocker lock(mutex); if (Settings.DataBits!=dataBits) { if ((Settings.StopBits==STOP_2 && dataBits==DATA_5) || (Settings.StopBits==STOP_1_5 && dataBits!=DATA_5) || (Settings.Parity==PAR_SPACE && dataBits==DATA_8)) { } else { Settings.DataBits=dataBits; } } if (isOpen()) { switch(dataBits) { /*5 data bits*/ case DATA_5: if (Settings.StopBits==STOP_2) { TTY_WARNING("QextSerialPort: 5 Data bits cannot be used with 2 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS5; tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig); } break; /*6 data bits*/ case DATA_6: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("QextSerialPort: 6 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS6; tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig); } break; /*7 data bits*/ case DATA_7: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("QextSerialPort: 7 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS7; tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig); } break; /*8 data bits*/ case DATA_8: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("QextSerialPort: 8 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS8; tcsetattr(fd, TCSAFLUSH, &Posix_CommConfig); } break; } } }
/*! \fn void Posix_QextSerialPort::ungetChar(char) This function is included to implement the full QIODevice interface, and currently has no purpose within this class. This function is meaningless on an unbuffered device and currently only prints a warning message to that effect. */ void Posix_QextSerialPort::ungetChar(char) { /*meaningless on unbuffered sequential device - return error and print a warning*/ TTY_WARNING("Posix_QextSerialPort: ungetChar() called on an unbuffered sequential device - operation is meaningless"); }
/*! \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::setDataBits(DataBitsType dataBits) Sets the number of data bits used by the serial port. Possible values of dataBits are: \verbatim DATA_5 5 data bits DATA_6 6 data bits DATA_7 7 data bits DATA_8 8 data bits \endverbatim \note This function is subject to the following restrictions: \par 5 data bits cannot be used with 2 stop bits. \par 8 data bits cannot be used with space parity on POSIX systems. */ void Posix_QextSerialPort::setDataBits(DataBitsType dataBits) { LOCK_MUTEX(); if (Settings.DataBits!=dataBits) { if ((Settings.StopBits==STOP_2 && dataBits==DATA_5) || (Settings.StopBits==STOP_1_5 && dataBits!=DATA_5) || (Settings.Parity==PAR_SPACE && dataBits==DATA_8)) { } else { Settings.DataBits=dataBits; } } #ifdef NOQFILE int fdFile=m_fdFile; #else int fdFile=Posix_File->handle(); #endif if (portOpen) { tcgetattr(fdFile, &Posix_CommConfig); switch(dataBits) { /*5 data bits*/ case DATA_5: if (Settings.StopBits==STOP_2) { TTY_WARNING("Posix_QextSerialPort: 5 Data bits cannot be used with 2 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS5; tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); } break; /*6 data bits*/ case DATA_6: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("Posix_QextSerialPort: 6 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS6; tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); } break; /*7 data bits*/ case DATA_7: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("Posix_QextSerialPort: 7 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS7; tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); } break; /*8 data bits*/ case DATA_8: if (Settings.StopBits==STOP_1_5) { TTY_WARNING("Posix_QextSerialPort: 8 Data bits cannot be used with 1.5 stop bits."); } else { Settings.DataBits=dataBits; Posix_CommConfig.c_cflag&=(~CSIZE); Posix_CommConfig.c_cflag|=CS8; tcsetattr(fdFile, TCSANOW, &Posix_CommConfig); } break; default: break; } } UNLOCK_MUTEX(); }
/*! \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(); }