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tonuino.ino
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/*
basic button actions:
=====================
Button B0 (by default pin A0, middle button on the original TonUINO): play/pause
Button B1 (by default pin A1, right button on the original TonUINO): volume up
Button B2 (by default pin A2, left button on the original TonUINO): volume down
Button B3 (by default pin A3, optional): previous track
Button B4 (by default pin A4, optional): next track
additional button actions:
==========================
During idle:
------------
Hold B0 for 5 seconds - Enter parents menu
During playback:
----------------
Hold B0 for 5 seconds - Reset progress to track 1 (story book mode)
Hold B0 for 5 seconds - Single track repeat (all modes, except story book mode)
Hold B1 for 2 seconds - Skip to the next track ((v)album, (v)party and story book mode)
Hold B2 for 2 seconds - Skip to the previous track ((v)album, (v)party and story book mode)
During parents menu:
--------------------
Click B0 - Confirm selection
Click B1 - Next option
Click B2 - Previous option
Click B3 - Jump 10 options backwards
Click B4 - Jump 10 options forward
Double click B0 - Announce current option
Hold B0 for 2 seconds - Cancel parents menu or any submenu
Hold B1 for 2 seconds - Jump 10 options forward
Hold B2 for 2 seconds - Jump 10 options backwards
During nfc tag setup mode:
--------------------------
Click B0 - Confirm selection
Click B1 - Next folder, mode or track
Click B2 - Previous folder, mode or track
Click B3 - Jump 10 folders or tracks backwards
Click B4 - Jump 10 folders or tracks forward
Double click B0 - Announce current folder, mode or track number
Hold B0 for 2 seconds - Cancel nfc tag setup mode
Hold B1 for 2 seconds - Jump 10 folders or tracks forward
Hold B2 for 2 seconds - Jump 10 folders or tracks backwards
During power up:
----------------
Hold B0 + B1 + B2 - Erase all eeprom contents (resets stored progress and preferences)
ir remote:
==========
If an ir receiver (like TSOP38238 or similar) is connected to pin 5, you can also use
an ir remote to remote control TonUINO. The remote needs at least seven buttons to be
able to support all functions. This feature can be enabled by uncommenting the
'#define IRREMOTE' below.
Down below you can hard code (multiple sets of) code mappings for remotes which will
always be recognized. In addition to these hard coded remotes, you can learn in one
additional remote using the parents menu, which is then stored in EEPROM.
There is one function, currently only available with the ir remote: Box lock.
When TonUINO is locked, the buttons on TonUINO as well as the nfc reader are disabled
until TonUINO is unlocked again. Playback continues while TonUINO is locked and
you are still able to control TonUINO using the ir remote (great for parents).
During idle:
------------
center - toggle box lock
menu - enter parents menu
During playback:
----------------
center - toggle box lock
play/pause - toggle playback
up / down - volume up / down
left / right - previous / next track ((v)album, (v)party and story book mode)
menu - reset progress to track 1 (story book mode)
menu - single track repeat (all modes, except story book mode)
During parents menu:
--------------------
center - announce current option
play/pause - confirm selection
up / down - next / previous option
left / right - jump 10 options backwards / forward
menu - cancel
During nfc tag setup mode:
--------------------------
center - announce current folder, mode or track number
play/pause - confirm selection
up / down - next / previous folder, mode or track
left / right - jump 10 folders or tracks backwards / forward
menu - cancel
pin code:
=========
The complete erase of the eeprom contents (hold vol-, play/pause, vol+ during startup)
as well as the parents menu can be secured with a pin code of variable length. It is
defined (and can be changed) in the configuration section below, the default pin code is:
===> play/pause, vol-, vol+, play/pause <===
Once the pin code entry is triggered, you have (by default) 10s to enter the pin code
before it times out. It repeats when entered incorrectly. See status led section
for information about visual feedback. This feature can be enabled by uncommenting
the '#define PINCODE' below.
status led(s):
==============
There are two options for a status led (which are mutually exclusive!):
1) Connect a vanilla led to pin 6 and uncomment the '#define STATUSLED' below.
TonUINO will signal various status information, for example:
- Pulse slowly when TonUINO is idle.
- Solid when TonUINO is playing a title.
- Blink every 500ms when interactive in menus etc.
- Blink every 100ms if the LOWVOLTAGE feature is active and the battery is low.
- Burst 4 times when TonUINO is locked and 8 times when unlocked.
- Burst 4 times when repeat is activated and 8 times when deactivated.
There are some more signals, they try to be intuitive. You'll see.
2) Connect one (or even several) ws281x rgb led(s) to pin 6 and uncomment
the '#define STATUSLEDRGB' below. TonUINO will signal various status information
in different patterns and colors, for example:
- Pulse slowly green when TonUINO is idle.
- Solid green when TonUINO is playing a title.
- Blink yellow every 500ms when interactive in menus etc.
- Blink red every 100ms if the LOWVOLTAGE feature is active and the battery is low.
- Burst 4 times red when TonUINO is locked and 8 times green when unlocked.
- Burst 4 times white when repeat is activated and 8 times white when deactivated.
- Burst 8 times magenta when the track in story book mode is reset to 1.
There are some more signals, they try to be intuitive. You'll see.
For the vanilla led basically any 5V led will do, just don't forget to put an appropriate
resistor in series. For the ws281x led(s) you have several options. Stripes, single
neo pixels etc. The author did test the fuctionality with an 'addressable Through-Hole 5mm RGB LED'
from Pololu [1]. Please make sure you put a capacitor of at least 10 uF between the ground
and power lines of the led and consider adding a 100 to 1k ohm resistor between pin 6
and the led's data in. In general make sure you have enough current available (especially if
you plan more than one led - each takes up to 60mA!) and don't source the current for the led(s)
from the arduino power rail! Consult your ws281x led vendors documentation for guidance!
The ammount of ws281x led(s) as well as the max brightness can be set in the configuration
section below. The defaults are: One led and 20% brightness.
[1] https://www.pololu.com/product/2535
cubiekid:
=========
If you happen to have a CubieKid case and the CubieKid circuit board, this firmware
supports both shutdown methods. The inactivity shutdown timer is enabled by default,
the shutdown due to low battery voltage (which can be configured in the shutdown
section below) can be enabled by uncommenting the '#define LOWVOLTAGE' below.
The CubieKid case as well as the CubieKid circuit board, have been designed and developed
by Jens Hackel aka DB3JHF and can be found here: https://www.thingiverse.com/thing:3148200
pololu switch:
==============
If you want to use a pololu switch with this firmware the shutdown pin logic needs
to be flipped from HIGH (on) -> LOW (off) to LOW (on) -> HIGH (off). This can be done
by uncommenting the '#define POLOLUSWITCH' below.
data stored on the nfc tags:
============================
On MIFARE Classic (Mini, 1K & 4K) tags:
---------------------------------------
Up to 16 bytes of data are stored in sector 1 / block 4, of which the first 9 bytes
are currently in use:
13 37 B3 47 01 02 04 10 19 00 00 00 00 00 00 00
----------- -- -- -- -- --
| | | | | |
| | | | | +- end track (0x01-0xFF - in vstory (0x06), valbum (0x07) and vparty (0x08) modes)
| | | | +- single/start track (0x01-0xFF - in single (0x04), vstory (0x06), valbum (0x07) and vparty (0x08) modes)
| | | +- playback mode (0x01-0x08)
| | +- folder (0x01-0x63)
| +- version (currently always 0x01)
+- magic cookie to recognize that a card belongs to TonUINO (by default 0x13 0x37 0xb3 0x47)
On MIFARE Ultralight / Ultralight C and NTAG213/215/216 tags:
-------------------------------------------------------------
Up to 16 bytes of data are stored in pages 8-11, of which the first 9 bytes
are currently in use:
8 13 37 B3 47 - magic cookie to recognize that a card belongs to TonUINO (by default 0x13 0x37 0xb3 0x47)
9 01 02 04 10 - version, folder, playback mode, single track / start strack
10 19 00 00 00 - end track
11 00 00 00 00
additional non standard libraries used in this firmware:
========================================================
MFRC522.h - https://github.com/miguelbalboa/rfid
DFMiniMp3.h - https://github.com/Makuna/DFMiniMp3
AceButton.h - https://github.com/bxparks/AceButton
IRremote.h - https://github.com/z3t0/Arduino-IRremote
WS2812.h - https://github.com/cpldcpu/light_ws2812
Vcc.h - https://github.com/Yveaux/Arduino_Vcc
*/
// uncomment the below line to enable five button support
// #define FIVEBUTTONS
// uncomment the below line to enable ir remote support
// #define IRREMOTE
// uncomment the below line to enable pin code support
// #define PINCODE
// uncomment ONE OF THE BELOW TWO LINES to enable status led support
// the first enables support for a vanilla led
// the second enables support for ws281x led(s)
// #define STATUSLED
// #define STATUSLEDRGB
// uncomment the below line to enable low voltage shutdown support
// #define LOWVOLTAGE
// uncomment the below line to flip the shutdown pin logic
// #define POLOLUSWITCH
// include required libraries
#include <avr/sleep.h>
#include <SoftwareSerial.h>
#include <SPI.h>
#include <EEPROM.h>
#include <MFRC522.h>
#include <DFMiniMp3.h>
#include <AceButton.h>
using namespace ace_button;
// include additional library if ir remote support is enabled
#if defined IRREMOTE
#include <IRremote.h>
#endif
// include additional library if ws281x status led support is enabled
#if defined STATUSLED ^ defined STATUSLEDRGB
#if defined STATUSLEDRGB
#include <WS2812.h>
#endif
#endif
// include additional library if low voltage shutdown support is enabled
#if defined LOWVOLTAGE
#include <Vcc.h>
#endif
// playback modes
enum {NOMODE, STORY, ALBUM, PARTY, SINGLE, STORYBOOK, VSTORY, VALBUM, VPARTY};
// button actions
enum {NOP,
B0P, B1P, B2P, B3P, B4P,
B0H, B1H, B2H, B3H, B4H,
B0D, B1D, B2D, B3D, B4D,
IRU, IRD, IRL, IRR, IRC, IRM, IRP
};
// button modes
enum {INIT, PLAY, PAUSE, PIN, CONFIG};
// shutdown timer actions
enum {START, STOP, CHECK, SHUTDOWN};
// preference actions
enum {READ, WRITE, MIGRATE, RESET, RESET_PROGRESS};
// status led actions
enum {OFF, SOLID, PULSE, BLINK, BURST2, BURST4, BURST8};
// define general configuration constants
const uint8_t mp3SerialRxPin = 2; // mp3 serial rx, wired to tx pin of DFPlayer Mini
const uint8_t mp3SerialTxPin = 3; // mp3 serial tx, wired to rx pin of DFPlayer Mini
const uint8_t mp3BusyPin = 4; // reports play state of DFPlayer Mini (LOW = playing)
#if defined IRREMOTE
const uint8_t irReceiverPin = 5; // pin used for the ir receiver
#endif
#if defined STATUSLED ^ defined STATUSLEDRGB
const uint8_t statusLedPin = 6; // pin used for vanilla status led or ws281x status led(s)
const uint8_t statusLedCount = 1; // number of ws281x status led(s)
const uint8_t statusLedMaxBrightness = 20; // max brightness of ws281x status led(s) (in percent)
#endif
const uint8_t shutdownPin = 7; // pin used to shutdown the system
const uint8_t nfcResetPin = 9; // used for spi communication to nfc module
const uint8_t nfcSlaveSelectPin = 10; // used for spi communication to nfc module
const uint8_t button0Pin = A0; // middle button
const uint8_t button1Pin = A1; // right button
const uint8_t button2Pin = A2; // left button
#if defined FIVEBUTTONS
const uint8_t button3Pin = A3; // optional 4th button
const uint8_t button4Pin = A4; // optional 5th button
#endif
const uint16_t buttonClickDelay = 1000; // time during which a button press is still a click (in milliseconds)
const uint16_t buttonShortLongPressDelay = 2000; // time after which a button press is considered a long press (in milliseconds)
const uint16_t buttonLongLongPressDelay = 5000; // longer long press delay for special cases, i.e. to trigger the parents menu (in milliseconds)
const uint32_t debugConsoleSpeed = 9600; // speed for the debug console
// number of mp3 files in advert folder + number of mp3 files in mp3 folder
const uint16_t msgCount = 576;
// define magic cookie (by default 0x13 0x37 0xb3 0x47)
const uint8_t magicCookieHex[4] = {0x13, 0x37, 0xb3, 0x47};
#if defined PINCODE
// define pin code, allowed enums for pinCode[]: B0P, B1P, B2P (plus B3P & B4P if FIVEBUTTONS is enabled)
const uint8_t pinCode[] = {B0P, B2P, B1P, B0P}; // for example play/pause, vol-, vol+, play/pause
const uint8_t pinCodeLength = sizeof(pinCode);
const uint8_t pinCodeIrToButtonMapping[] = {B1P, B2P, B3P, B4P, NOP, IRM, B0P};
const uint64_t enterPinCodeTimeout = 10000; // time to enter the pin code (in milliseconds)
#endif
// default values for preferences
const uint8_t preferenceVersion = 1;
const uint8_t mp3StartVolumeDefault = 15;
const uint8_t mp3MaxVolumeDefault = 25;
const uint8_t mp3MenuVolumeDefault = 15;
const uint8_t mp3EqualizerDefault = 1;
const uint8_t shutdownMinutesDefault = 10;
const uint16_t irRemoteUserCodesDefault[7] = {};
/*
define hard coded (sets of) code mappings for ir remotes.
one remote per line with the following order of codes for: up, down, left, right, center, menu, play/pause
when adding multiple remotes, the array needs to look like this (watch the 'commas'!):
const uint16_t irRemoteCodes[][7] = {
{...},
{...},
{...}
};
*/
const uint16_t irRemoteCodes[][7] = {
{0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000} // example, replace 0x0000 with respective codes as per above
};
const uint8_t irRemoteCount = sizeof(irRemoteCodes) / 14;
const uint8_t irRemoteCodeCount = sizeof(irRemoteCodes) / (2 * irRemoteCount);
#if defined LOWVOLTAGE
// define constants for shutdown feature
const float shutdownMinVoltage = 4.4; // minimum expected voltage level (in volts)
const float shutdownWarnVoltage = 4.8; // warning voltage level (in volts)
const float shutdownMaxVoltage = 5.0; // maximum expected voltage level (in volts)
const float shutdownVoltageCorrection = 1.0 / 1.0; // voltage measured by multimeter divided by reported voltage
#endif
// define strings
const char *playbackModeName[] = {" ", "story", "album", "party", "single", "storybook", "vstory", "valbum", "vparty"};
const char *nfcStatusMessage[] = {" ", "read", "write", "ok", "failed"};
const char *mp3EqualizerName[] = {" ", "normal", "pop", "rock", "jazz", "classic", "bass"};
// this struct stores nfc tag data
struct nfcTagStruct {
uint32_t cookie = 0;
uint8_t version = 0;
uint8_t folder = 0;
uint8_t mode = 0;
uint8_t multiPurposeData1 = 0;
uint8_t multiPurposeData2 = 0;
};
// this struct stores playback state
struct playbackStruct {
bool isLocked = false;
bool isPlaying = false;
bool isFresh = true;
bool isRepeat = false;
bool playListMode = false;
uint8_t mp3CurrentVolume = 0;
uint8_t folderStartTrack = 0;
uint8_t folderEndTrack = 0;
uint8_t playList[255] = {};
uint8_t playListItem = 0;
uint8_t playListItemCount = 0;
nfcTagStruct currentTag;
};
// this struct stores preferences
struct preferenceStruct {
uint32_t cookie = 0;
uint8_t version = 0;
uint8_t mp3StartVolume = 0;
uint8_t mp3MaxVolume = 0;
uint8_t mp3MenuVolume = 0;
uint8_t mp3Equalizer = 0;
uint8_t shutdownMinutes = 0;
uint16_t irRemoteUserCodes[7] = {};
};
// global variables
uint8_t inputEvent = NOP;
uint32_t magicCookie = 0;
uint32_t preferenceCookie = 0;
playbackStruct playback;
preferenceStruct preference;
// ################################################################################################################################################################
// ############################################################### no configuration below this line ###############################################################
// ################################################################################################################################################################
// declare functions
void checkForInput();
void translateButtonInput(AceButton *button, uint8_t eventType, uint8_t /* buttonState */);
void switchButtonConfiguration(uint8_t buttonMode);
void waitPlaybackToFinish(uint8_t red, uint8_t green, uint8_t blue, uint16_t statusLedUpdateInterval);
void printModeFolderTrack(bool cr);
void playNextTrack(uint16_t globalTrack, bool directionForward, bool triggeredManually);
uint8_t readNfcTagData();
uint8_t writeNfcTagData(uint8_t nfcTagWriteBuffer[], uint8_t nfcTagWriteBufferSize);
void printNfcTagData(uint8_t dataBuffer[], uint8_t dataBufferSize, bool cr);
void printNfcTagType(MFRC522::PICC_Type nfcTagType);
void shutdownTimer(uint8_t timerAction);
void preferences(uint8_t preferenceAction);
uint8_t prompt(uint8_t promptOptions, uint16_t promptHeading, uint16_t promptOffset, uint8_t promptCurrent, uint8_t promptFolder, bool promptPreview, bool promptChangeVolume);
void parentsMenu();
#if defined PINCODE
bool enterPinCode();
#endif
#if defined STATUSLED ^ defined STATUSLEDRGB
void statusLedUpdate(uint8_t statusLedAction, uint8_t red, uint8_t green, uint8_t blue, uint16_t statusLedUpdateInterval);
void statusLedUpdateHal(uint8_t red, uint8_t green, uint8_t blue, int16_t brightness);
#endif
// used by DFPlayer Mini library during callbacks
class Mp3Notify {
public:
static void OnError(uint16_t returnValue) {
switch (returnValue) {
case DfMp3_Error_Busy: {
Serial.print(F("busy"));
break;
}
case DfMp3_Error_Sleeping: {
Serial.print(F("sleep"));
break;
}
case DfMp3_Error_SerialWrongStack: {
Serial.print(F("serial stack"));
break;
}
case DfMp3_Error_CheckSumNotMatch: {
Serial.print(F("checksum"));
break;
}
case DfMp3_Error_FileIndexOut: {
Serial.print(F("file index"));
break;
}
case DfMp3_Error_FileMismatch: {
Serial.print(F("file mismatch"));
break;
}
case DfMp3_Error_Advertise: {
Serial.print(F("advertise"));
break;
}
case DfMp3_Error_General: {
Serial.print(F("general"));
break;
}
default: {
Serial.print(F("unknown"));
break;
}
}
Serial.println(F(" error"));
}
static void OnPlayFinished(uint16_t returnValue) {
playNextTrack(returnValue, true, false);
}
static void OnCardOnline(uint16_t returnValue) {
Serial.println(F("sd online"));
}
static void OnCardInserted(uint16_t returnValue) {
Serial.println(F("sd in"));
}
static void OnCardRemoved(uint16_t returnValue) {
Serial.println(F("sd out"));
}
static void OnUsbOnline(uint16_t returnValue) {
Serial.println(F("usb online"));
}
static void OnUsbInserted(uint16_t returnValue) {
Serial.println(F("usb in"));
}
static void OnUsbRemoved(uint16_t returnValue) {
Serial.println(F("usb out"));
}
};
SoftwareSerial mp3Serial(mp3SerialRxPin, mp3SerialTxPin); // create SoftwareSerial instance
MFRC522 mfrc522(nfcSlaveSelectPin, nfcResetPin); // create MFRC522 instance
DFMiniMp3<SoftwareSerial, Mp3Notify> mp3(mp3Serial); // create DFMiniMp3 instance
ButtonConfig button0Config; // create ButtonConfig instance
ButtonConfig button1Config; // create ButtonConfig instance
ButtonConfig button2Config; // create ButtonConfig instance
AceButton button0(&button0Config); // create AceButton instance
AceButton button1(&button1Config); // create AceButton instance
AceButton button2(&button2Config); // create AceButton instance
#if defined FIVEBUTTONS
ButtonConfig button3Config; // create ButtonConfig instance
ButtonConfig button4Config; // create ButtonConfig instance
AceButton button3(&button3Config); // create AceButton instance
AceButton button4(&button4Config); // create AceButton instance
#endif
#if defined IRREMOTE
IRrecv irReceiver(irReceiverPin); // create IRrecv instance
decode_results irReading; // create decode_results instance to store received ir reading
#endif
#if defined STATUSLED ^ defined STATUSLEDRGB
#if defined STATUSLEDRGB
WS2812 rgbLed(statusLedCount); // create WS2812 instance
#endif
#endif
#if defined LOWVOLTAGE
Vcc shutdownVoltage(shutdownVoltageCorrection); // create Vcc instance
#endif
void setup() {
// things we need to do immediately on startup
pinMode(shutdownPin, OUTPUT);
#if defined POLOLUSWITCH
digitalWrite(shutdownPin, LOW);
#else
digitalWrite(shutdownPin, HIGH);
#endif
magicCookie = (uint32_t)magicCookieHex[0] << 24;
magicCookie += (uint32_t)magicCookieHex[1] << 16;
magicCookie += (uint32_t)magicCookieHex[2] << 8;
magicCookie += (uint32_t)magicCookieHex[3];
preferenceCookie = (uint32_t)magicCookieHex[2] << 24;
preferenceCookie += (uint32_t)magicCookieHex[3] << 16;
preferenceCookie += (uint32_t)magicCookieHex[0] << 8;
preferenceCookie += (uint32_t)magicCookieHex[1];
// start normal operation
Serial.begin(debugConsoleSpeed);
Serial.println(F("\n\nTonUINO JUKEBOX"));
Serial.println(F("by Thorsten Voß"));
Serial.println(F("Stephan Eisfeld"));
Serial.println(F("and many others"));
Serial.println(F("---------------"));
Serial.println(F("flashed"));
Serial.print(F(" "));
Serial.println(__DATE__);
Serial.print(F(" "));
Serial.println(__TIME__);
preferences(READ);
Serial.println(F("init nfc"));
SPI.begin();
mfrc522.PCD_Init();
mfrc522.PCD_DumpVersionToSerial();
Serial.println(F("init mp3"));
mp3.begin();
delay(2000);
Serial.print(F(" start "));
Serial.println(preference.mp3StartVolume);
mp3.setVolume(playback.mp3CurrentVolume = preference.mp3StartVolume);
Serial.print(F(" max "));
Serial.println(preference.mp3MaxVolume);
Serial.print(F(" menu "));
Serial.println(preference.mp3MenuVolume);
Serial.print(F(" eq "));
Serial.println(mp3EqualizerName[preference.mp3Equalizer]);
mp3.setEq((DfMp3_Eq)(preference.mp3Equalizer - 1));
Serial.print(F(" tracks "));
Serial.println(mp3.getTotalTrackCount() - msgCount);
pinMode(mp3BusyPin, INPUT);
Serial.print(F("init"));
pinMode(button0Pin, INPUT_PULLUP);
pinMode(button1Pin, INPUT_PULLUP);
pinMode(button2Pin, INPUT_PULLUP);
button0.init(button0Pin, HIGH, 0);
button1.init(button1Pin, HIGH, 1);
button2.init(button2Pin, HIGH, 2);
#if defined FIVEBUTTONS
pinMode(button3Pin, INPUT_PULLUP);
pinMode(button4Pin, INPUT_PULLUP);
button3.init(button3Pin, HIGH, 3);
button4.init(button4Pin, HIGH, 4);
Serial.print(F(" 5"));
#else
Serial.print(F(" 3"));
#endif
Serial.println(F(" buttons"));
switchButtonConfiguration(INIT);
Serial.print(F("init "));
Serial.print(preference.shutdownMinutes);
Serial.println(F("m timer"));
shutdownTimer(START);
#if defined IRREMOTE
Serial.println(F("init ir"));
irReceiver.enableIRIn();
#endif
#if defined STATUSLED ^ defined STATUSLEDRGB
#if defined STATUSLED
Serial.println(F("init led"));
pinMode(statusLedPin, OUTPUT);
#endif
#if defined STATUSLEDRGB
Serial.println(F("init ws281x"));
rgbLed.setOutput(statusLedPin);
rgbLed.setColorOrderRGB();
//rgbLed.setColorOrderBRG();
//rgbLed.setColorOrderGRB();
#endif
statusLedUpdate(SOLID, 0, 0, 0, 0);
#endif
#if defined LOWVOLTAGE
Serial.println(F("init lvm"));
Serial.print(F(" ex-"));
Serial.print(shutdownMaxVoltage);
Serial.print(F("V"));
Serial.print(F(" wa-"));
Serial.print(shutdownWarnVoltage);
Serial.print(F("V"));
Serial.print(F(" sh-"));
Serial.print(shutdownMinVoltage);
Serial.print(F("V"));
Serial.print(F(" cu-"));
Serial.print(shutdownVoltage.Read_Volts());
Serial.print(F("V ("));
Serial.print(shutdownVoltage.Read_Perc(shutdownMinVoltage, shutdownMaxVoltage));
Serial.println(F("%)"));
#endif
// hold down all three buttons while powering up: erase the eeprom contents
if (button0.isPressedRaw() && button1.isPressedRaw() && button2.isPressedRaw()) {
#if defined PINCODE
if (enterPinCode()) {
#endif
Serial.println(F("init eeprom"));
for (uint16_t i = 0; i < EEPROM.length(); i++) {
EEPROM.update(i, 0);
}
preferences(RESET);
mp3.setVolume(playback.mp3CurrentVolume = preference.mp3StartVolume);
mp3.setEq((DfMp3_Eq)(preference.mp3Equalizer - 1));
shutdownTimer(START);
mp3.playMp3FolderTrack(809);
waitPlaybackToFinish(0, 255, 0, 100);
#if defined PINCODE
}
#endif
}
switchButtonConfiguration(PAUSE);
mp3.playMp3FolderTrack(800);
Serial.println(F("ready"));
}
void loop() {
playback.isPlaying = !digitalRead(mp3BusyPin);
checkForInput();
shutdownTimer(CHECK);
#if defined LOWVOLTAGE
// if low voltage level is reached, store progress and shutdown
if (shutdownVoltage.Read_Volts() <= shutdownMinVoltage) {
if (playback.currentTag.mode == STORYBOOK) EEPROM.update(playback.currentTag.folder, playback.playList[playback.playListItem - 1]);
mp3.playMp3FolderTrack(808);
waitPlaybackToFinish(255, 0, 0, 100);
shutdownTimer(SHUTDOWN);
}
else if (shutdownVoltage.Read_Volts() <= shutdownWarnVoltage) {
#if defined STATUSLED ^ defined STATUSLEDRGB
statusLedUpdate(BLINK, 255, 0, 0, 100);
#endif
}
else {
#if defined STATUSLED ^ defined STATUSLEDRGB
if (playback.isPlaying) statusLedUpdate(SOLID, 0, 255, 0, 100);
else statusLedUpdate(PULSE, 0, 255, 0, 100);
#endif
}
#else
#if defined STATUSLED ^ defined STATUSLEDRGB
if (playback.isPlaying) statusLedUpdate(SOLID, 0, 255, 0, 100);
else statusLedUpdate(PULSE, 0, 255, 0, 100);
#endif
#endif
// ################################################################################
// # main code block, if nfc tag is detected and TonUINO is not locked do something
if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial() && !playback.isLocked) {
// if the current playback mode is story book mode, only while playing: store the current progress
if (playback.currentTag.mode == STORYBOOK && playback.isPlaying) {
Serial.print(F("save "));
printModeFolderTrack(true);
EEPROM.update(playback.currentTag.folder, playback.playList[playback.playListItem - 1]);
}
uint8_t readNfcTagStatus = readNfcTagData();
// ##############################
// # nfc tag is successfully read
if (readNfcTagStatus == 1) {
// #############################################################################
// # nfc tag has our magic cookie on it, use data from nfc tag to start playback
if (playback.currentTag.cookie == magicCookie) {
switchButtonConfiguration(PLAY);
shutdownTimer(STOP);
randomSeed(micros());
// prepare boundaries for playback
switch (playback.currentTag.mode) {
case STORY: {}
case ALBUM: {}
case PARTY: {}
case SINGLE: {}
case STORYBOOK: {
playback.folderStartTrack = 1;
playback.folderEndTrack = mp3.getFolderTrackCount(playback.currentTag.folder);
break;
}
case VSTORY: {}
case VALBUM: {}
case VPARTY: {
playback.folderStartTrack = playback.currentTag.multiPurposeData1;
playback.folderEndTrack = playback.currentTag.multiPurposeData2;
break;
}
default: {
break;
}
}
// prepare playlist for playback
for (uint8_t i = 0; i < 255; i++) playback.playList[i] = playback.folderStartTrack + i <= playback.folderEndTrack ? playback.folderStartTrack + i : 0;
playback.playListItemCount = playback.folderEndTrack - playback.folderStartTrack + 1;
// prepare first track for playback
switch (playback.currentTag.mode) {
case VSTORY: {}
case STORY: {
playback.playListItem = random(1, playback.playListItemCount + 1);
break;
}
case VALBUM: {}
case ALBUM: {
playback.playListItem = 1;
break;
}
case VPARTY: {}
case PARTY: {
playback.playListItem = 1;
// shuffle playlist
for (uint8_t i = 0; i < playback.playListItemCount; i++) {
uint8_t j = random(0, playback.playListItemCount);
uint8_t temp = playback.playList[i];
playback.playList[i] = playback.playList[j];
playback.playList[j] = temp;
}
break;
}
case SINGLE: {
playback.playListItem = playback.currentTag.multiPurposeData1;
break;
}
case STORYBOOK: {
uint8_t storedTrack = EEPROM.read(playback.currentTag.folder);
// don't resume from eeprom, play from the beginning
if (storedTrack == 0 || storedTrack > playback.folderEndTrack) playback.playListItem = 1;
// resume from eeprom
else {
playback.playListItem = storedTrack;
Serial.print(F("resume "));
}
break;
}
default: {
break;
}
}
playback.isFresh = true;
playback.isRepeat = false;
playback.playListMode = true;
printModeFolderTrack(true);
mp3.playFolderTrack(playback.currentTag.folder, playback.playList[playback.playListItem - 1]);
}
// # end - nfc tag has our magic cookie on it
// ##########################################
// #####################################################################################
// # nfc tag does not have our magic cookie on it, start setup to configure this nfc tag
else if (playback.currentTag.cookie == 0) {
nfcTagStruct newTag;
playback.playListMode = false;
// set volume to menu volume
mp3.setVolume(preference.mp3MenuVolume);
switchButtonConfiguration(CONFIG);
shutdownTimer(STOP);
while (true) {
Serial.println(F("setup tag"));
Serial.println(F("folder"));
newTag.folder = prompt(99, 801, 0, 0, 0, true, false);
if (newTag.folder == 0) {
mp3.playMp3FolderTrack(807);
waitPlaybackToFinish(255, 0, 0, 100);
break;
}
Serial.println(F("mode"));
newTag.mode = prompt(8, 820, 820, 0, 0, false, false);
if (newTag.mode == 0) {
mp3.playMp3FolderTrack(807);
waitPlaybackToFinish(255, 0, 0, 100);
break;
}
else if (newTag.mode == SINGLE) {
Serial.println(F("singletrack"));
newTag.multiPurposeData1 = prompt(mp3.getFolderTrackCount(newTag.folder), 802, 0, 0, newTag.folder, true, false);
newTag.multiPurposeData2 = 0;
if (newTag.multiPurposeData1 == 0) {
mp3.playMp3FolderTrack(807);
waitPlaybackToFinish(255, 0, 0, 100);
break;
}
}
else if (newTag.mode == VSTORY || newTag.mode == VALBUM || newTag.mode == VPARTY) {
Serial.println(F("starttrack"));
newTag.multiPurposeData1 = prompt(mp3.getFolderTrackCount(newTag.folder), 803, 0, 0, newTag.folder, true, false);
if (newTag.multiPurposeData1 == 0) {
mp3.playMp3FolderTrack(807);
waitPlaybackToFinish(255, 0, 0, 100);
break;
}
Serial.println(F("endtrack"));
newTag.multiPurposeData2 = prompt(mp3.getFolderTrackCount(newTag.folder), 804, 0, newTag.multiPurposeData1, newTag.folder, true, false);
newTag.multiPurposeData2 = max(newTag.multiPurposeData1, newTag.multiPurposeData2);
if (newTag.multiPurposeData2 == 0) {
mp3.playMp3FolderTrack(807);
waitPlaybackToFinish(255, 0, 0, 100);
break;
}
}
uint8_t bytesToWrite[] = {magicCookieHex[0], // 1st byte of magic cookie (by default 0x13)
magicCookieHex[1], // 2nd byte of magic cookie (by default 0x37)
magicCookieHex[2], // 3rd byte of magic cookie (by default 0xb3)
magicCookieHex[3], // 4th byte of magic cookie (by default 0x47)
0x01, // version 1
newTag.folder, // the folder selected by the user
newTag.mode, // the playback mode selected by the user
newTag.multiPurposeData1, // multi purpose data (ie. single track for mode 4 and start of vfolder)
newTag.multiPurposeData2, // multi purpose data (ie. end of vfolder, depending on mode)
0x00, 0x00, 0x00, // reserved for future use
0x00, 0x00, 0x00, 0x00 // reserved for future use
};
uint8_t writeNfcTagStatus = writeNfcTagData(bytesToWrite, sizeof(bytesToWrite));
if (writeNfcTagStatus == 1) {
mp3.playMp3FolderTrack(805);
waitPlaybackToFinish(0, 255, 0, 100);
}
else {
mp3.playMp3FolderTrack(806);
waitPlaybackToFinish(255, 0, 0, 100);
}
break;
}
mfrc522.PICC_HaltA();
mfrc522.PCD_StopCrypto1();
// restore playback volume, can't be higher than maximum volume
mp3.setVolume(playback.mp3CurrentVolume = min(playback.mp3CurrentVolume, preference.mp3MaxVolume));
switchButtonConfiguration(PAUSE);
shutdownTimer(START);
inputEvent = NOP;
}
// # end - nfc tag does not have our magic cookie on it
// ####################################################
}
// # end - nfc tag is successfully read
// ####################################
}
// # end - main code block
// #######################
// ##################################################################################
// # handle button and ir remote events during playback or while waiting for nfc tags
// ir remote center: toggle box lock
if (inputEvent == IRC) {
if ((playback.isLocked = !playback.isLocked)) {
Serial.println(F("lock"));
#if defined STATUSLED ^ defined STATUSLEDRGB
statusLedUpdate(BURST4, 255, 0, 0, 0);
#endif
}
else {
Serial.println(F("unlock"));
#if defined STATUSLED ^ defined STATUSLEDRGB
statusLedUpdate(BURST8, 0, 255, 0, 0);
#endif
}
}
// button 0 (middle) press or ir remote play/pause: toggle playback
else if ((inputEvent == B0P && !playback.isLocked) || inputEvent == IRP) {
if (playback.isPlaying) {
switchButtonConfiguration(PAUSE);
shutdownTimer(START);
Serial.println(F("pause"));
mp3.pause();
// if the current playback mode is story book mode: store the current progress
if (playback.currentTag.mode == STORYBOOK) {
Serial.print(F("save "));
printModeFolderTrack(true);
EEPROM.update(playback.currentTag.folder, playback.playList[playback.playListItem - 1]);
}
}
else {
if (playback.playListMode) {
switchButtonConfiguration(PLAY);
shutdownTimer(STOP);
Serial.println(F("play"));
mp3.start();
}
}
}
// button 1 (right) press or ir remote up while playing: increase volume
else if (((inputEvent == B1P && !playback.isLocked) || inputEvent == IRU) && playback.isPlaying) {
if (playback.mp3CurrentVolume < preference.mp3MaxVolume) {
mp3.setVolume(++playback.mp3CurrentVolume);
Serial.print(F("volume "));
Serial.println(playback.mp3CurrentVolume);
}
#if defined STATUSLED
else statusLedUpdate(BURST2, 255, 0, 0, 0);
#endif
}
// button 2 (left) press or ir remote down while playing: decrease volume
else if (((inputEvent == B2P && !playback.isLocked) || inputEvent == IRD) && playback.isPlaying) {
if (playback.mp3CurrentVolume > 1) {
mp3.setVolume(--playback.mp3CurrentVolume);
Serial.print(F("volume "));
Serial.println(playback.mp3CurrentVolume);
}
#if defined STATUSLED
else statusLedUpdate(BURST2, 255, 0, 0, 0);
#endif
}
// button 1 (right) hold for 2 sec or button 5 press or ir remote right, only during (v)album, (v)party and story book mode while playing: next track
else if ((((inputEvent == B1H || inputEvent == B4P) && !playback.isLocked) || inputEvent == IRR) && (playback.currentTag.mode == ALBUM || playback.currentTag.mode == PARTY || playback.currentTag.mode == STORYBOOK || playback.currentTag.mode == VALBUM || playback.currentTag.mode == VPARTY) && playback.isPlaying) {
Serial.println(F("next"));
playNextTrack(0, true, true);
}
// button 2 (left) hold for 2 sec or button 4 press or ir remote left, only during (v)album, (v)party and story book mode while playing: previous track
else if ((((inputEvent == B2H || inputEvent == B3P) && !playback.isLocked) || inputEvent == IRL) && (playback.currentTag.mode == ALBUM || playback.currentTag.mode == PARTY || playback.currentTag.mode == STORYBOOK || playback.currentTag.mode == VALBUM || playback.currentTag.mode == VPARTY) && playback.isPlaying) {
Serial.println(F("prev"));
playNextTrack(0, false, true);
}
// button 0 (middle) hold for 5 sec or ir remote menu, only during (v)story, (v)album, (v)party and single mode while playing: toggle single track repeat
else if (((inputEvent == B0H && !playback.isLocked) || inputEvent == IRM) && (playback.currentTag.mode == STORY || playback.currentTag.mode == ALBUM || playback.currentTag.mode == PARTY || playback.currentTag.mode == SINGLE || playback.currentTag.mode == VSTORY || playback.currentTag.mode == VALBUM || playback.currentTag.mode == VPARTY) && playback.isPlaying) {
Serial.print(F("repeat "));
if ((playback.isRepeat = !playback.isRepeat)) {
Serial.println(F("on"));
#if defined STATUSLED ^ defined STATUSLEDRGB
statusLedUpdate(BURST4, 255, 255, 255, 0);
#endif
}
else {
Serial.println(F("off"));
#if defined STATUSLED ^ defined STATUSLEDRGB
statusLedUpdate(BURST8, 255, 255, 255, 0);
#endif
}
}
// button 0 (middle) hold for 5 sec or ir remote menu, only during story book mode while playing: reset progress
else if (((inputEvent == B0H && !playback.isLocked) || inputEvent == IRM) && playback.currentTag.mode == STORYBOOK && playback.isPlaying) {