Important: The information in this document is obsolete and should not be used for new development.
SerSetBrk
You can use theSerSetBrk
function to assert a break signal.
FUNCTION SerSetBrk (refNum: Integer): OSErr;
refNum
- The driver reference number of the serial output driver.
DESCRIPTION
TheSerSetBrk
function forces the output data line into the space state. To form a break signal, the line must be left in this state longer than a character frame.ASSEMBLY-LANGUAGE INFORMATION
TheSerSetBrk
function is equivalent to a Device Manager control request with acsCode
value of 12.RESULT CODES
noErr 0 No error