diff options
Diffstat (limited to 'ace/TTY_IO.cpp')
| -rw-r--r-- | ace/TTY_IO.cpp | 155 |
1 files changed, 139 insertions, 16 deletions
diff --git a/ace/TTY_IO.cpp b/ace/TTY_IO.cpp index 7ab0036890e..44f937d646e 100644 --- a/ace/TTY_IO.cpp +++ b/ace/TTY_IO.cpp @@ -399,17 +399,24 @@ int ACE_TTY_IO::control (Control_Mode cmd, Serial_Params *arg) const return -1; // Wrong cmd. } #elif defined (ACE_WIN32) + DCB dcb; + dcb.DCBlength = sizeof dcb; + if (!::GetCommState (this->get_handle (), &dcb)) + { + ACE_OS::set_errno_to_last_error (); + return -1; + } + + COMMTIMEOUTS timeouts; + if (!::GetCommTimeouts (this->get_handle(), &timeouts)) + { + ACE_OS::set_errno_to_last_error (); + return -1; + } + switch (cmd) { case SETPARAMS: - DCB dcb; - dcb.DCBlength = sizeof dcb; - if (!::GetCommState (this->get_handle (), &dcb)) - { - ACE_OS::set_errno_to_last_error (); - return -1; - } - dcb.BaudRate = arg->baudrate; switch (arg->databits) @@ -522,13 +529,6 @@ int ACE_TTY_IO::control (Control_Mode cmd, Serial_Params *arg) const return -1; } - COMMTIMEOUTS timeouts; - if (!::GetCommTimeouts (this->get_handle(), &timeouts)) - { - ACE_OS::set_errno_to_last_error (); - return -1; - } - if (arg->readtimeoutmsec < 0) { // Settings for infinite timeout. @@ -560,7 +560,130 @@ int ACE_TTY_IO::control (Control_Mode cmd, Serial_Params *arg) const return 0; case GETPARAMS: - ACE_NOTSUP_RETURN (-1); // Not yet implemented. + arg->baudrate = dcb.BaudRate; + + switch (dcb.ByteSize) + { + case 4: + case 5: + case 6: + case 7: + case 8: + arg->databits = dcb.ByteSize; + break; + default: + return -1; + } + + switch (dcb.StopBits) + { + case ONESTOPBIT: + arg->stopbits = 1; + break; + case TWOSTOPBITS: + arg->stopbits = 2; + break; + default: + return -1; + } + + if (!dcb.fParity) + { + arg->paritymode = ACE_TTY_IO_NONE; + } + else + { + switch (dcb.Parity) + { + case ODDPARITY: + arg->paritymode = ACE_TTY_IO_ODD; + break; + case EVENPARITY: + arg->paritymode = ACE_TTY_IO_EVEN; + break; + case NOPARITY: + arg->paritymode = ACE_TTY_IO_NONE; + break; + case MARKPARITY: + arg->paritymode = ACE_TTY_IO_MARK; + break; + case SPACEPARITY: + arg->paritymode = ACE_TTY_IO_SPACE; + break; + default: + return -1; + } + } + + // Enable/disable RTS protocol. + switch (dcb.fRtsControl) + { + case RTS_CONTROL_ENABLE: + arg->rtsenb = 1; + break; + case RTS_CONTROL_HANDSHAKE: + arg->rtsenb = 2; + break; + case RTS_CONTROL_TOGGLE: + arg->rtsenb = 3; + break; + case RTS_CONTROL_DISABLE: + arg->rtsenb = 0; + break; + default: + return -1; + } + + // Enable/disable CTS protocol. + if (dcb.fOutxCtsFlow) + arg->ctsenb = true; + else + arg->ctsenb = false; + + // Enable/disable DSR protocol. + if (dcb.fOutxDsrFlow) + arg->dsrenb = true; + else + arg->dsrenb = false; + + // Disable/enable DTR protocol + // Attention: DTR_CONTROL_HANDSHAKE is not supported. + switch (dcb.fDtrControl) + { + case DTR_CONTROL_DISABLE: + arg->dtrdisable = true; + break; + case DTR_CONTROL_ENABLE: + arg->dtrdisable = false; + break; + default: + return -1; + } + + // Enable/disable software flow control on input + if (dcb.fInX) + arg->xinenb = true; + else + arg->xinenb = false; + + // Enable/disable software flow control on output + if (dcb.fOutX) + arg->xoutenb = true; + else + arg->xoutenb = false; + + arg->xonlim = static_cast<int>(dcb.XonLim); + arg->xofflim = static_cast<int>(dcb.XoffLim); + + if (timeouts.ReadIntervalTimeout == 0 && + timeouts.ReadTotalTimeoutMultiplier == 0 && + timeouts.ReadTotalTimeoutConstant == 0) + arg->readtimeoutmsec = -1; + else + arg->readtimeoutmsec = timeouts.ReadTotalTimeoutConstant; + + return 0; + default: return -1; // Wrong cmd. |