Intermec Janus 2020 Reference Manual - Im_Cancel_Rx_Buffer

im_cancel_rx_buffer

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im_cancel_rx_buffer

Purpose:

This function clears the receive buffer of the designated communications

port.

Syntax:

With Intrmecd_IO, Intrmecp_IO;

Use Intrmecd_IO, Intrmecp_IO;

function im_cancel_rx_buffer (

port : IN IM_COM_PORT

) return System.Word;

IN Parameter:

The port_id parameter identifies the communications port as follows:

IM_COM1

COM1

IM_COM2

COM2, scanner port (2010 and 2050)

IM_COM4

COM4 (RF only)

OUT Parameter:

None.

Return Value:

This function returns one of the standard status codes listed in Appendix A,

“Status Codes.”

If there is no pending input to receive, this function returns 4602H (no

client).

Notes:

You must install a protocol handler to use this function.

See Also:

im_receive_buffer_no_wait, im_receive_buffer_noprot

Example

See example for im_receive_buffer.