diff options
| -rw-r--r-- | src/serialport/qserialport_win.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/serialport/qserialport_win.cpp b/src/serialport/qserialport_win.cpp index ae32fcf..46fc9d9 100644 --- a/src/serialport/qserialport_win.cpp +++ b/src/serialport/qserialport_win.cpp @@ -627,7 +627,8 @@ qint64 QSerialPortPrivate::writeData(const char *data, qint64 maxSize) QObjectPrivate::connect(startAsyncWriteTimer, &QTimer::timeout, this, &QSerialPortPrivate::_q_startAsyncWrite); startAsyncWriteTimer->setSingleShot(true); } - startAsyncWriteTimer->start(0); + if (!startAsyncWriteTimer->isActive()) + startAsyncWriteTimer->start(); } return maxSize; } |