User Manual

VMA211
V. 01 – 09/05/2019 7 ©Velleman nv
9. Code
//This example reads a NFC/RFID memory block. It is tested with a new NFC/RFID 1K cards. Uses default keys.
//Contributed by Seeed Technology Inc (www.seeedstudio.com)
#include <PN532.h>
#include <SPI.h>
/*Chip select pin can be connected to D10 or D9 which is hareware optional*/
/*if you the version of NFC Shield from SeeedStudio is v2.0.*/
#define PN532_CS 10
PN532 nfc(PN532_CS);
#define NFC_DEMO_DEBUG 1
void setup(void) {
#ifdef NFC_DEMO_DEBUG
Serial.begin(9600);
Serial.println("Hello!");
#endif
nfc.begin();
uint32_t versiondata = nfc.getFirmwareVersion();
if (! versiondata) {
#ifdef NFC_DEMO_DEBUG
Serial.print("Didn't find PN53x board");
#endif
while (1); // halt
}
#ifdef NFC_DEMO_DEBUG
// Got ok data, print it out!
Serial.print("Found chip PN5");
Serial.println((versiondata>>24) & 0xFF, HEX);
Serial.print("Firmware ver. ");
Serial.print((versiondata>>16) & 0xFF, DEC);
Serial.print('.');
Serial.println((versiondata>>8) & 0xFF, DEC);
Serial.print("Supports ");
Serial.println(versiondata & 0xFF, HEX);
#endif
// configure board to read RFID tags and cards
nfc.SAMConfig();
}
void loop(void) {
uint32_t id;
// look for MiFare type cards
id = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A);