Vinyl Record Frame Mp3 Player With Screen

1#include "SoftwareSerial.h"
2#include <LiquidCrystal_I2C.h>
3
4SoftwareSerial playerSerial(10, 11); //Define dfplayer module.
5LiquidCrystal_I2C lcd (0x26, 16, 2); //Define 16x2 LCD.
6
7# define Start_Byte 0x7E
8# define Version_Byte 0xFF
9# define Command_Length 0x06
10# define End_Byte 0xEF
11# define Acknowledge 0x00
12# define ACTIVATED LOW
13
14//ints to keep track of the touch counts and current track.
15int touchCount = 0;
16int currTrack = 0;
17
18//Initial lcd text (Album title).
19String lcdText = "Enter the Wu-tang";
20//Track array
21String trackName[11] = {"Bring Da Ruckus", "Shame On a ", "Clan In Da Front", "Wu-Tang: 7th Chamber", "Can It Be All So Simple", "Da Mystery of Chessboxin'", "Wu-Tang Clain Ain't Nuthin ta F' Wit", "C.R.E.A.M", "Method Man", "Protect Ya Neck", "Tearz"};
22
23void setup()
24{ 
25  //Start serial and player serial.
26  Serial.begin(9600);
27  playerSerial.begin(9600);
28
29  //Set pinmode.
30  pinMode(8, INPUT);
31
32  //Initilise LCD.
33  lcd.init();
34  lcd.clear(); 
35  lcd.backlight();
36
37  //Configure dfplayer.
38  //Repeat Play.
39  execute_CMD(0x11, 0, 0);
40  delay(500);
41  //Set volume (to max).
42  execute_CMD(0x06, 0, 30);
43  delay(500);
44}
45
46void doAudio(){
47  if(touchCount > 5){
48    //Reset module.
49    execute_CMD(0x0C, 0, 0);
50    touchCount = 0;
51    currTrack = 0;
52    lcdText = "Enter the Wu-tang";
53  }
54
55  else{
56    switch (touchCount){
57    case 1:
58      //Play (first track).
59      execute_CMD(0x0D,0,1); 
60      delay(1000);
61      //Reset touch counter.
62      touchCount = 0;
63      //Clear lcd and set text based on current track.
64      lcd.clear();
65      lcdText = trackName[currTrack];
66      break;
67    
68    case 2:
69    //Send next track.
70      execute_CMD(0x01, 0, 0);
71      delay(1000);
72      touchCount = 0;
73      currTrack++;
74      lcd.clear();
75      lcdText = trackName[currTrack];
76      break;
77
78    case 3:
79    //Send previous track.
80      execute_CMD(0x02, 0, 0);
81      delay(1000);
82      touchCount = 0;
83      currTrack--;
84      lcd.clear();
85      lcdText = trackName[currTrack];
86      break;
87    }
88  }
89  
90}
91
92void loop()
93{
94  
95  //Set and print lcd text.
96  lcd.setCursor(0, 1);
97  //Print lcdText (Current track pulled from array).
98  lcd.print(lcdText);
99  //Scroll text left.
100  lcd.command(0x18);
101  //Delay which is needed to stop fast scrolling & fast button incrementing.
102  delay(150);
103
104  //Current track is out of range of our array, reset.
105  if(currTrack > 11){
106    currTrack = 0;
107  }
108
109    //Check for touch/button press.
110  if(digitalRead(8) == HIGH) {
111    touchCount++;
112  }
113  else{
114    //No touch, do audio commands.
115    doAudio();
116  }  
117
118  //Debug stuff.
119  Serial.println(touchCount);
120}
121
122
123//Not my code, credit goes to Nick Koumaris @ https://www.electronics-lab.com/project/mp3-player-using-arduino-dfplayer-mini/
124void execute_CMD(byte CMD, byte Par1, byte Par2)
125// Excecute the command and parameters
126{
127// Calculate the checksum (2 bytes)
128word checksum = -(Version_Byte + Command_Length + CMD + Acknowledge + Par1 + Par2);
129// Build the command line
130byte Command_line[10] = { Start_Byte, Version_Byte, Command_Length, CMD, Acknowledge,
131Par1, Par2, highByte(checksum), lowByte(checksum), End_Byte};
132//Send the command line to the module
133for (byte k=0; k<10; k++)
134{
135playerSerial.write( Command_line[k]);
136}
137
138}