Files
Momentum-Firmware/lib/nfc/protocols/nfca.h
g3gg0 eb98c7b246 rework NfcA and simplify a bit
digital_sequence_bake added for testing purpose
2022-11-22 00:34:09 +01:00

30 lines
829 B
C

#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <lib/digital_signal/digital_signal.h>
typedef struct {
DigitalSignal* seq_d; /* sequence D, modulation with subcarrier during first half */
DigitalSignal* seq_e; /* sequence E, modulation with subcarrier during second half */
DigitalSignal* seq_f; /* sequence F, no modulation at all */
DigitalSequence* tx_signal;
} NfcaSignal;
uint16_t nfca_get_crc16(uint8_t* buff, uint16_t len);
void nfca_append_crc16(uint8_t* buff, uint16_t len);
bool nfca_emulation_handler(
uint8_t* buff_rx,
uint16_t buff_rx_len,
uint8_t* buff_tx,
uint16_t* buff_tx_len);
NfcaSignal* nfca_signal_alloc();
void nfca_signal_free(NfcaSignal* nfca_signal);
void nfca_signal_encode(NfcaSignal* nfca_signal, uint8_t* data, uint16_t bits, uint8_t* parity);