Platform | Win32 |
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Purpose |
To set the "wait for line feed" state for READCOMMDEVICE@. |
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Syntax |
INTEGER (KIND=3) SETCOMMWAITFORLINEFEED@(PORTNUM,STATE) |
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Description |
Use this function to configure a serial port that has been opened by a call to OPENCOMMDEVICE@. PORTNUM must be a valid port number in the range 1 to 4. STATE is zero by default. Call this function with STATE=1 in order to cause READCOMMDEVICE@ to to wait for a linefeed character before returning. |
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Return value |
SETCOMMWAITFORLINEFEED@ returns a positive value when successful otherwise it returns -1. |