Rfcrreceiveackframe() - VeriFone MX800 series Programmer's Manual

C RF C R
ONTACTLESS ARD

RFCRReceiveACKFrame()

RFCRReceiveACKFrame()
248
M X 800 S P
ERIES ROGRAMMERS
M
EADER ODULE
Receives an ACK frame from the RFCR module. The contents of the ACK frame
specify whether the reader accepted the command. Depending upon the
command, the ACK frame may provide additional information.
Prototype
int RFCRReceiveACKFrame (char* buff);
Parameters
Pointer to store the ACK frame. It should have space for 16 bytes.
buff
Length of the data including the CRC
len
Pointer to store the calculated CRC
calcCRC
Return Values
> 0 Success, with the number of bytes read
< 0 Error
G
UIDE