IRremote usage arduino

irremote_test.ino

#include <IRremote.h>
#define RECV_PIN 2;
#define B_1 0x92DF9279
#define B_2 0x87CDD0EF
#define B_3 0x37788763
IRrecv irrecv(RECV_PIN);
void setup() {
	Serial.begin(9600);
	Serial.println("Ready to decode IR!");
	irrecv.enableIRIn();
}

void loop() {
	if (irrecv.decode(&results)) {
		Serial.println(results.value, HEX);
		switch (results.value) {
			case B_1:
				Serial.println("Button 1 pressed!");
				break;
			// ...
			default:
				break;
		}
		irrecv.resume();
	}
}