main.c
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/*
* Copyright (C) 2016 TriaGnoSys GmbH
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the PN532 NFC reader
*
* @author Víctor Ariño <victor.arino@triagnosys.com>
*
* @}
*/
#include "board.h"
#include "pn532.h"
#include "pn532_params.h"
#include "xtimer.h"
#define LOG_LEVEL LOG_INFO
#include "log.h"
#define MIN(a, b) ((a) < (b) ? (a) : (b))
static void printbuff(char *buff, unsigned len)
{
while (len) {
len--;
printf("%02x ", *buff++);
}
puts("");
}
int main(void)
{
static char data[16];
static nfc_iso14443a_t card;
static pn532_t pn532;
unsigned len;
int ret;
#if defined(PN532_SUPPORT_I2C)
ret = pn532_init_i2c(&pn532, &pn532_conf[0]);
#elif defined(PN532_SUPPORT_SPI)
ret = pn532_init_spi(&pn532, &pn532_conf[0]);
#else
#error None of PN532_SUPPORT_I2C and PN532_SUPPORT_SPI set!
#endif
if (ret != 0) {
LOG_INFO("init error %d\n", ret);
}
xtimer_usleep(200000);
LOG_INFO("awake\n");
uint32_t fwver;
pn532_fw_version(&pn532, &fwver);
LOG_INFO("ver %d.%d\n", (unsigned)PN532_FW_VERSION(fwver), (unsigned)PN532_FW_REVISION(fwver));
ret = pn532_sam_configuration(&pn532, PN532_SAM_NORMAL, 1000);
LOG_INFO("set sam %d\n", ret);
while (1) {
/* Delay not to be always polling the interface */
xtimer_usleep(250000UL);
ret = pn532_get_passive_iso14443a(&pn532, &card, 0x50);
if (ret < 0) {
LOG_DEBUG("no card\n");
continue;
}
if (card.type == ISO14443A_TYPE4) {
if (pn532_iso14443a_4_activate(&pn532, &card) != 0) {
LOG_ERROR("act\n");
continue;
}
else if (pn532_iso14443a_4_read(&pn532, data, &card, 0x00, 2) != 0) {
LOG_ERROR("len\n");
continue;
}
len = PN532_ISO14443A_4_LEN_FROM_BUFFER(data);
len = MIN(len, sizeof(data));
if (pn532_iso14443a_4_read(&pn532, data, &card, 0x02, len) != 0) {
LOG_ERROR("read\n");
continue;
}
LOG_INFO("dumping card contents (%d bytes)\n", len);
printbuff(data, len);
pn532_release_passive(&pn532, card.target);
}
else if (card.type == ISO14443A_MIFARE) {
char key[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
char data[32];
for (int i = 0; i < 64; i++) {
LOG_INFO("sector %02d, block %02d | ", i / 4, i);
if ((i & 0x03) == 0) {
ret = pn532_mifareclassic_authenticate(&pn532, &card,
PN532_MIFARE_KEY_A, key, i);
if (ret != 0) {
LOG_ERROR("auth\n");
break;
}
}
ret = pn532_mifareclassic_read(&pn532, data, &card, i);
if (ret == 0) {
printbuff(data, 16);
}
else {
LOG_ERROR("read\n");
break;
}
}
}
else {
LOG_ERROR("unknown\n");
}
}
return 0;
}