st25r3911b_nfca_transfer()

int st25r3911b_nfca_transfer	(	const struct st25r3911b_nfca_buf *	tx,
		const struct st25r3911b_nfca_buf *	rx,
		uint32_t	fdt,
		bool	auto_crc
	)

#include <include/st25r3911b_nfca.h>

Exchange the specified amount of data.

This is a generic function for NFC-A data exchange.

Parameters

[in]	tx	TX data buffer.
[in,out]	rx	RX data buffer.
[in]	fdt	Maximum frame delay time (according to NFC Forum Digital 2.0 6.10.1).
[in]	auto_crc	If set, the CRC is generated automatically by the NFC Reader. Otherwise, the CRC must be added manually to the TX buffer.

Return values

0	If the operation was successful. Otherwise, a (negative) error code is returned.