rfClose (Function)

Architecture:	X32 / NX32 / NX32L
Firmware version:	2.20 / 1.51.00

This function will close the RF interface. After the RF interface is closed, it cannot be used until opened again.

See rfOpen on how to open the RF interface.

When rfClose is called, any threads blocked in rfReceive will resume operation with error code -1.

Input:

None.

Returns: INT

0		- Success.
- 1		- RF not open. Use rfOpen to open interface.
- 4		- RF not supported on device.

Declaration:

FUNCTION rfClose : INT;

Example:

INCLUDE rtcu.inc

PROGRAM example;
BEGIN
  rfOpen(id := 1);
  ...
  rfClose();
END;
END_PROGRAM;