esmp3/src/controller.cpp

#include "controller.h"
#include "spi_master.h"

Controller::Controller(Player* p) {
	_player = p;
	_rfid = new MFRC522(PIN_RC522_CS, MFRC522::UNUSED_PIN);

	SPIMaster::enable(PIN_RC522_CS);
	Serial.println("Initializing MFRC522...");
	_rfid->PCD_Init();
	_rfid->PCD_DumpVersionToSerial();
	SPIMaster::disable();
}

void Controller::loop() {
	_check_rfid();
	_check_serial();
}

void Controller::_check_rfid() {
	SPIMaster::enable(PIN_RC522_CS);
	if (!_rfid->PICC_IsNewCardPresent()) {
		return;
	}
	if (!_rfid->PICC_ReadCardSerial()) {
		return;
	}
	_rfid->PICC_DumpToSerial(&(_rfid->uid));
	SPIMaster::disable();
}

void Controller::_check_serial() {
	if (Serial.available() > 0) {
		char c = Serial.read();
		if (c == 'n') {
			_player->track_next();
		} else if (c=='p') {
			_player->track_prev();
		} else if (c=='s') {
			_player->stop();
		} else if (c=='+') {
			_player->vol_up();
		} else if (c=='-') {
			_player->vol_down();
		} else if (c==' ') {
			_player->play_album("12345678");
		}
	}
}