Azalea
105 lines
2.6 KiB
Arduino
105 lines
2.6 KiB
Arduino
#include <Arduino.h>
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#include <Wire.h>
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#include <PN532_I2C.h>
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#include <PN532.h>
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PN532_I2C pn532i2c(Wire);
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PN532 nfc(pn532i2c);
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#define Serial USBSerial
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#include <PN532_debug.h>
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uint8_t _prevIDm[8];
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unsigned long _prevTime;
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void setup(void)
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{
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delay(1000);
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Serial.begin(115200);
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Serial.println("Hello!");
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Wire.setPins(4, 5);
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nfc.begin();
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uint32_t versiondata = nfc.getFirmwareVersion();
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if (!versiondata)
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{
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Serial.print("Didn't find PN53x board");
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while (1) {delay(10);}; // halt
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}
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// Got ok data, print it out!
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Serial.print("Found chip PN5"); Serial.println((versiondata >> 24) & 0xFF, HEX);
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Serial.print("Firmware ver. "); Serial.print((versiondata >> 16) & 0xFF, DEC);
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Serial.print('.'); Serial.println((versiondata >> 8) & 0xFF, DEC);
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// Set the max number of retry attempts to read from a card
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// This prevents us from waiting forever for a card, which is
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// the default behaviour of the PN532.
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nfc.setPassiveActivationRetries(0xFF);
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nfc.SAMConfig();
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memset(_prevIDm, 0, 8);
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}
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void loop(void)
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{
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uint8_t ret;
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uint16_t systemCode = 0xFFFF;
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uint8_t requestCode = 0x00; // System Code request
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uint8_t idm[8];
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uint8_t pmm[8];
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uint16_t systemCodeResponse;
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// Wait for an FeliCa type cards.
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// When one is found, some basic information such as IDm, PMm, and System Code are retrieved.
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Serial.print("F");
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ret = nfc.felica_Polling(systemCode, requestCode, idm, pmm, &systemCodeResponse, 5);
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if (ret == 1) {
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if ( memcmp(idm, _prevIDm, 8) == 0 ) {
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if ( (millis() - _prevTime) < 3000 ) {
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delay(5);
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return;
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}
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}
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Serial.println("\nFound a Felica card!");
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printUid(idm, 8);
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memcpy(_prevIDm, idm, 8);
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_prevTime = millis();
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return;
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}
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Serial.print("M");
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uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 }; // Buffer to store the returned UID
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uint8_t uidLength; // Length of the UID (4 or 7 bytes depending on ISO14443A card type)
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if (nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLength, 5)) {
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// Check if the same card is present
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if (memcmp(uid, _prevIDm, uidLength) == 0 && (millis() - _prevTime) < 3000) {
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delay(5);
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return;
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}
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Serial.println("\nFound a MIFARE card!");
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printUid(uid, uidLength);
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memcpy(_prevIDm, uid, uidLength);
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_prevTime = millis();
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return;
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}
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}
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void printUid(uint8_t* uid, uint8_t uidLength) {
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Serial.print("UID Length: ");Serial.print(uidLength, DEC);Serial.println(" bytes");
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Serial.print("UID Value: ");
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for (uint8_t i = 0; i < uidLength; i++) {
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Serial.print(uid[i], HEX);
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}
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Serial.println("");
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}
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