diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/MTS_IO_SerialConnection.cpp | 85 |
1 files changed, 79 insertions, 6 deletions
diff --git a/src/MTS_IO_SerialConnection.cpp b/src/MTS_IO_SerialConnection.cpp index a9f3d6e..936d28d 100644 --- a/src/MTS_IO_SerialConnection.cpp +++ b/src/MTS_IO_SerialConnection.cpp @@ -50,6 +50,7 @@ SerialConnection::Builder::Builder(const std::string& sPortName) , m_eParity(OFF) , m_eDataBits(B8) , m_eStopBits(B1) +, m_eFlowControl(NONE) , m_bBuilt(false) { @@ -254,6 +255,77 @@ int SerialConnection::getFileDescriptor() { return h; } +const char* SerialConnection::humanSpeed(speed_t speed) { + const char *hspeed; + switch (speed) { + case B0: hspeed = "B0"; + break; + case B50: hspeed = "B50"; + break; + case B75: hspeed = "B75"; + break; + case B110: hspeed = "B110"; + break; + case B134: hspeed = "B134"; + break; + case B150: hspeed = "B150"; + break; + case B200: hspeed = "B200"; + break; + case B300: hspeed = "B300"; + break; + case B600: hspeed = "B600"; + break; + case B1200: hspeed = "B1200"; + break; + case B1800: hspeed = "B1800"; + break; + case B2400: hspeed = "B2400"; + break; + case B4800: hspeed = "B4800"; + break; + case B9600: hspeed = "B9600"; + break; + case B19200: hspeed = "B19200"; + break; + case B57600: hspeed = "B57600"; + break; + case B115200: hspeed = "B115200"; + break; + default: hspeed = "unknown"; + } + return hspeed; +} + +void SerialConnection::printPortSetting(const termios *options){ + printDebug("SERIAL| port settings:"); + printDebug("SERIAL| in speed:%s out speed:%s", + humanSpeed(cfgetispeed(options)), + humanSpeed(cfgetospeed(options))); + int data_length=0; + if ((options->c_cflag&CSIZE) == CS5) { + data_length = 5; + } + if ((options->c_cflag&CSIZE) == CS6) { + data_length = 6; + } + if ((options->c_cflag&CSIZE) == CS7) { + data_length = 7; + } + if ((options->c_cflag&CSIZE) == CS8) { + data_length = 8; + } + printDebug("SERIAL| data:%d stop bits:%d", data_length,options->c_cflag&CSTOPB?2:1); + if (!(options->c_cflag&PARENB)) { + printDebug("SERIAL| parity: NONE"); + } else if (options->c_cflag&PARODD) { + printDebug("SERIAL| parity: ODD"); + } else { + printDebug("SERIAL| parity: EVEN"); + } + printDebug("SERIAL| CRTSCTS:%d", options->c_cflag&CRTSCTS?1:0); +} + bool SerialConnection::doOpen(const int32_t& timeoutMillis) { m_apHandleLock->lock(); @@ -353,6 +425,7 @@ bool SerialConnection::doOpen(const int32_t& timeoutMillis) { } //Set Parity, Stop Bits, and Data Length + options.c_cflag &= ~(PARODD | PARENB); switch(m_eParity) { case ODD: options.c_cflag |= ( PARODD | PARENB ); @@ -364,7 +437,6 @@ bool SerialConnection::doOpen(const int32_t& timeoutMillis) { case OFF: default: - options.c_cflag &= ~PARENB; break; } @@ -390,7 +462,7 @@ bool SerialConnection::doOpen(const int32_t& timeoutMillis) { switch(m_eStopBits) { case B2: - options.c_cflag &= CSTOPB; + options.c_cflag |= CSTOPB; break; case B1: @@ -401,19 +473,20 @@ bool SerialConnection::doOpen(const int32_t& timeoutMillis) { switch (m_eFlowControl) { case RTS_CTS: - options.c_cflag &= CRTSCTS; + options.c_cflag |= CRTSCTS; break; case NONE: default: - options.c_cflag &= ~(IXON | IXOFF | IXANY); - break; + options.c_cflag &= ~CRTSCTS; + break; } //Set Control Modes options.c_cc[VMIN] = 0; options.c_cc[VTIME] = 2; // tenths of seconds - + printPortSetting(&options); result = tcsetattr(m_iHandle, TCSANOW, &options); + if (result == -1) { printWarning("SERIAL| Failed to set configurations on port [%s] [%d]%s", m_sPortName.c_str(), errno, errno == 13 ? " (Permission Denied)" : ""); |