77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
#include "controller.h"
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#include "spi_master.h"
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Controller::Controller(Player* p) {
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_player = p;
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_rfid = new MFRC522(PIN_RC522_CS, MFRC522::UNUSED_PIN);
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SPIMaster::enable(PIN_RC522_CS);
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Serial.println("Initializing MFRC522...");
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_rfid->PCD_Init();
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_rfid->PCD_DumpVersionToSerial();
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SPIMaster::disable();
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}
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void Controller::loop() {
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unsigned long now = millis();
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if ((_last_rfid_scan_at < now - RFID_SCAN_INTERVAL) || (now < _last_rfid_scan_at)) {
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_check_rfid();
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_last_rfid_scan_at = now;
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}
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_check_serial();
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}
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uint32_t Controller::_get_rfid_card_uid() {
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SPIMaster::enable(PIN_RC522_CS);
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if (!_rfid->PICC_ReadCardSerial()) {
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if (!_rfid->PICC_IsNewCardPresent()) {
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return 0;
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}
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if (!_rfid->PICC_ReadCardSerial()) {
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return 0;
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}
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}
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uint32_t uid = _rfid->uid.uidByte[0]<<24 | _rfid->uid.uidByte[1]<<16 | _rfid->uid.uidByte[2]<<8 | _rfid->uid.uidByte[3];
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SPIMaster::disable();
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return uid;
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}
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void Controller::_check_rfid() {
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uint32_t uid = _get_rfid_card_uid();
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//Serial.printf("Found card: %08x\n", uid);
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if (uid != _last_rfid_card_uid) {
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if (uid > 0) {
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Serial.printf("New RFID card uid: %08x\n", uid);
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// Play
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String s_uid = String(uid, HEX);
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_player->play_album(s_uid);
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} else {
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Serial.println("No more RFID card.");
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// Stop
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_player->stop();
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}
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_last_rfid_card_uid = uid;
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}
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}
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void Controller::_check_serial() {
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if (Serial.available() > 0) {
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char c = Serial.read();
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if (c == 'n') {
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_player->track_next();
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} else if (c=='p') {
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_player->track_prev();
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} else if (c=='s') {
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_player->stop();
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} else if (c=='+') {
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_player->vol_up();
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} else if (c=='-') {
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_player->vol_down();
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} else if (c==' ') {
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_player->play_album("12345678");
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} else if (c=='q') {
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_player->play_system_sound("12345678/Biene Maja.mp3");
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}
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}
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}
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