diff options
-rw-r--r-- | src/serialport/qserialport_unix.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/serialport/qserialport_unix.cpp b/src/serialport/qserialport_unix.cpp index d555805..e80c0e8 100644 --- a/src/serialport/qserialport_unix.cpp +++ b/src/serialport/qserialport_unix.cpp @@ -504,9 +504,6 @@ QSerialPortPrivate::setCustomBaudRate(qint32 baudRate, QSerialPort::Directions d if (::ioctl(descriptor, TIOCGSERIAL, ¤tSerialInfo) == -1) return decodeSystemError(); - if (currentSerialInfo.baud_base % baudRate != 0) - return QSerialPort::UnsupportedOperationError; - currentSerialInfo.flags &= ~ASYNC_SPD_MASK; currentSerialInfo.flags |= (ASYNC_SPD_CUST /* | ASYNC_LOW_LATENCY*/); currentSerialInfo.custom_divisor = currentSerialInfo.baud_base / baudRate; @@ -514,6 +511,13 @@ QSerialPortPrivate::setCustomBaudRate(qint32 baudRate, QSerialPort::Directions d if (currentSerialInfo.custom_divisor == 0) return QSerialPort::UnsupportedOperationError; + if (currentSerialInfo.custom_divisor * baudRate != currentSerialInfo.baud_base) { + qWarning("Baud rate of serial port %s is set to %d instead of %d: divisor %f unsupported", + qPrintable(systemLocation), + currentSerialInfo.baud_base / currentSerialInfo.custom_divisor, + baudRate, (float)currentSerialInfo.baud_base / baudRate); + } + if (::ioctl(descriptor, TIOCSSERIAL, ¤tSerialInfo) == -1) return decodeSystemError(); |