Yet Another Arduino Wiegand Library

 

 

#define PIN_D0 D1
#define PIN_D1 D2

// The object that handles the wiegand protocol
Wiegand wiegand;

// Initialize Wiegand reader
void setup() {
Serial.begin(9600);
delay(1);
Serial.println("Start...");

//Install listeners and initialize Wiegand reader
wiegand.onReceive(receivedData, "Card readed: ");
wiegand.onStateChange(stateChanged, "State changed: ");
wiegand.begin(WIEGAND_LENGTH_AUTO);

//initialize pins as INPUT
pinMode(PIN_D0, INPUT);
pinMode(PIN_D1, INPUT);
}

// Continuously checks for pending messages and polls updates from the wiegand inputs
void loop() {
// Checks for pending messages 
//Serial.println("Start2 ..");
wiegand.flush();

// Check for changes on the the wiegand input pins
wiegand.setPin0State(digitalRead(PIN_D0));
wiegand.setPin1State(digitalRead(PIN_D1));
}

// Notifies when a reader has been connected or disconnected.
// Instead of a message, the seconds parameter can be anything you want -- Whatever you specify on `wiegand.onStateChange()`
void stateChanged(bool plugged, const char* message) {
Serial.print(message);
Serial.println(plugged ? "CONNECTED" : "DISCONNECTED");
}

// Notifies when a card was read.
// Instead of a message, the seconds parameter can be anything you want -- Whatever you specify on `wiegand.onReceive()`
void receivedData(uint8_t* data, uint8_t bits, const char* message) {
Serial.print(message);

//Print value in HEX
uint8_t bytes = (bits+7)/8;
for (int i=0; i<bytes; i++) {
Serial.print(data[i] >> 4, 16);
Serial.print(data[i] & 0xF, 16);
}
Serial.println();
}