SPORT_SPECIAL_FUNC (W*32, W*64)

Serial Port I/O Function: Executes the Windows* API communications function EscapeCommFunction on the specified port.

Module: USE IFPORT

Syntax

result = SPORT_SPECIAL_FUNC (port, function)

port
(Input) Integer. The port number.

function
(Input) INTEGER(4). The function to perform.

Results

The result type is INTEGER(4). The result is zero if successful; otherwise, a Windows error value.

Compatibility

CONSOLE STANDARD GRAPHICS QUICKWIN GRAPHICS WINDOWS DLL LIB

See Also

Communications and Communications Functions in the Microsoft* Platform SDK, Building Applications: Using the Serial I/O Port Routines

Example

USE IFPORT
INTEGER(4) iresult
iresult =  SPORT_SPECIAL_FUNC( 2, ? )
END