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Sets data bit size.

Component Version macOS Windows Linux Server iOS SDK
SerialPort 3.1 ✅ Yes ✅ Yes ❌ No ✅ Yes, on macOS and Windows ❌ No
MBS( "SerialPort.SetDataBits"; PortReference; size )   More


Parameter Description Example
PortReference The reference number of the port. You get this number from SerialPort.Open when you open the port. $port
size The new setting. 8


Returns OK or error message.


Sets data bit size.
Value can only be 5, 6, 7 or 8.


Set the data bits to 8:

$r = MBS( "SerialPort.SetDataBits"; $DeviceRef; 8 )

See also

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This function is free to use.

Created 18th August 2014, last changed 18th August 2014

SerialPort.SetDataAvailableHandler - SerialPort.SetParity