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| author | Laszlo Papp <lpapp@kde.org> | 2013-11-30 12:34:35 +0000 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-12-01 07:33:53 +0100 |
| commit | 8bb0677e83dc7aa49eb46bf24837be7ef82427a1 (patch) | |
| tree | 6dcbfa9097ae96a341c4658f2d1bb9beb1760eb1 | |
| parent | c070632fc73be89889f8297263d86b32390acd4c (diff) | |
| download | qtserialport-8bb0677e83dc7aa49eb46bf24837be7ef82427a1.tar.gz | |
Document the real meaning of the data bits enumeration values
Change-Id: I7e12e26e6676ecb064eb06599234d2844041335d
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com>
| -rw-r--r-- | src/serialport/qserialport.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/serialport/qserialport.cpp b/src/serialport/qserialport.cpp index 0a6f276..97ed0cd 100644 --- a/src/serialport/qserialport.cpp +++ b/src/serialport/qserialport.cpp @@ -208,10 +208,18 @@ int QSerialPortPrivateData::timeoutValue(int msecs, int elapsed) This enum describes the number of data bits used. - \value Data5 Five bits. - \value Data6 Six bits. - \value Data7 Seven bits - \value Data8 Eight bits. + \value Data5 The number of data bits in each character is 5. It + is used for Baudot code. It generally only makes + sense with older equipments such as teleprinters. + \value Data6 The number of data bits in each character is 6. It + is rarely used. + \value Data7 The number of data bits in each character is 7. It + is used for true ASCII. It generally only makes + sense with older equipments such as teleprinters. + \value Data8 The number of data bits in each character is 8. It + is used for most kinds of data, as this size matches + the size of a byte. It is almost universally used in + newer applications. \value UnknownDataBits Unknown number of bits. \sa QSerialPort::dataBits |