diff options
Diffstat (limited to 'src/serialport/qserialport_win.cpp')
| -rw-r--r-- | src/serialport/qserialport_win.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/serialport/qserialport_win.cpp b/src/serialport/qserialport_win.cpp index 9ab44487..84bf5b90 100644 --- a/src/serialport/qserialport_win.cpp +++ b/src/serialport/qserialport_win.cpp @@ -90,6 +90,9 @@ static inline void qt_set_common_props(DCB *dcb) if (dcb->fDtrControl == DTR_CONTROL_HANDSHAKE) dcb->fDtrControl = DTR_CONTROL_DISABLE; + + if (dcb->fRtsControl != RTS_CONTROL_HANDSHAKE) + dcb->fRtsControl = RTS_CONTROL_DISABLE; } static inline void qt_set_baudrate(DCB *dcb, qint32 baudrate) @@ -152,7 +155,8 @@ static inline void qt_set_flowcontrol(DCB *dcb, QSerialPort::FlowControl flowcon dcb->fInX = FALSE; dcb->fOutX = FALSE; dcb->fOutxCtsFlow = FALSE; - dcb->fRtsControl = RTS_CONTROL_DISABLE; + if (dcb->fRtsControl == RTS_CONTROL_HANDSHAKE) + dcb->fRtsControl = RTS_CONTROL_DISABLE; switch (flowcontrol) { case QSerialPort::NoFlowControl: break; @@ -278,7 +282,12 @@ bool QSerialPortPrivate::setRequestToSend(bool set) return false; } - return true; + DCB dcb; + if (!getDcb(&dcb)) + return false; + + dcb.fRtsControl = set ? RTS_CONTROL_ENABLE : RTS_CONTROL_DISABLE; + return setDcb(&dcb); } bool QSerialPortPrivate::flush() |