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HDLCreceiveX

int HDLCreceiveX(char *rx_buffer, int length); /* Where X is E or F */

Description

Copies a received packet into rx_buffer if there is one. Packets are received in the order they arrive, even if multiple packets are currently stored in buffers.

This function is intended for use with the Rabbit 3000 and Rabbit 4000.

Parameters

rx_buffer

Pointer to the buffer to copy a received packet into.

length

Size of the buffer pointed to by rx_buffer.

Return Value

≥0: Size of received packet.
-1: No packets are available to receive.

-2: The buffer is not large enough for the received packet. In this case, the packet remains in the receive buffer)

Library

HDLC_PACKET.LIB