//Very much inspired by https://www.dfrobot.com/blog-1462.html by DFRobot Feb 26 2020
//Additions made by Just Baselmans https://www.youtube.com/justbaselmansYT Jan 23 2023
#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"
// Initialize software serial on pins 10 and 11
SoftwareSerial mySoftwareSerial(10, 11); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
String line;
char command;
int pause = 0;
int repeat = 0;
void setup() {
// Serial communication with the module
mySoftwareSerial.begin(9600);
// Initialize Arduino serial
Serial.begin(115200);
// Check if the module is responding and if the SD card is found
Serial.println();
Serial.println(F("DFRobot DFPlayer Mini"));
Serial.println(F("Initializing DFPlayer module ... Wait!"));
if (!myDFPlayer.begin(mySoftwareSerial)) {
Serial.println(F("Not initialized:"));
Serial.println(F("1. Check the DFPlayer Mini connections"));
Serial.println(F("2. Insert an SD card"));
while (true)
;
}
Serial.println();
Serial.println(F("DFPlayer Mini module initialized!"));
// Initial settings
myDFPlayer.setTimeOut(500); // Serial timeout 500ms
myDFPlayer.volume(5); // Volume 5
myDFPlayer.EQ(0); // Normal equalization
// myDFPlayer.EQ(DFPLAYER_EQ_POP);
// myDFPlayer.EQ(DFPLAYER_EQ_ROCK);
// myDFPlayer.EQ(DFPLAYER_EQ_JAZZ);
// myDFPlayer.EQ(DFPLAYER_EQ_CLASSIC);
// myDFPlayer.EQ(DFPLAYER_EQ_BASS);
menu_options();
}
void loop() {
myDFPlayer.play(1);
if (digitalRead(2) == LOW) {
Serial.println("now playing aaaaa");
myDFPlayer.play(1);
}
// Waits for data entry via serial
while (Serial.available() > 0) {
command = Serial.peek();
line = Serial.readStringUntil('\n');
// Play from first 9 files
if ((command >= '1') && (command <= '9')) {
Serial.print("Music reproduction");
Serial.println(command);
command = command - 48;
myDFPlayer.play(command);
menu_options();
}
//Play from specific folder
if (command == 'f') {
int indexF = line.indexOf('f');
int indexS = line.indexOf('s');
if (indexF != -1 && indexS != -1 && indexF < indexS) {
int folder = line.substring(indexF + 1, indexS).toInt();
int song = line.substring(indexS + 1).toInt();
Serial.print("From folder: ");
Serial.print(folder);
Serial.print(", playing song: ");
Serial.println(song);
myDFPlayer.playFolder(folder, song); //play specific mp3 in SD:/folder/song.mp3; Folder Name(1~99); File Name(1~255)
} else {
Serial.println("Incomplete 'f' command. Specify both folder and song numbers.");
}
menu_options();
}
// Reproduction
// Stop
if (command == 's') {
myDFPlayer.stop();
Serial.println("Music Stopped!");
menu_options();
}
// Pause/Continue the music
if (command == 'p') {
pause = !pause;
if (pause == 0) {
Serial.println("Continue...");
myDFPlayer.start();
}
if (pause == 1) {
Serial.println("Music Paused!");
myDFPlayer.pause();
}
menu_options();
}
// Toggle repeat mode
if (command == 'r') {
repeat = !repeat;
if (repeat == 1) {
myDFPlayer.enableLoop();
Serial.println("Repeat mode enabled.");
} else {
myDFPlayer.disableLoop();
Serial.println("Repeat mode disabled.");
}
menu_options();
}
// Set volume
if (command == 'v') {
int myVolume = line.substring(1).toInt();
if (myVolume >= 0 && myVolume <= 30) {
myDFPlayer.volume(myVolume);
Serial.print("Current Volume:");
Serial.println(myDFPlayer.readVolume());
} else {
Serial.println("Invalid volume level, choose a number between 0-30.");
}
menu_options();
}
// Increases volume
if (command == '+') {
myDFPlayer.volumeUp();
Serial.print("Current Volume:");
Serial.println(myDFPlayer.readVolume());
menu_options();
}
// Decreases volume
if (command == '-') {
myDFPlayer.volumeDown();
Serial.print("Current Volume:");
Serial.println(myDFPlayer.readVolume());
menu_options();
}
// Play previous
if (command == '<') {
myDFPlayer.previous();
Serial.println("Previous:");
Serial.print("Current track:");
Serial.println(myDFPlayer.readCurrentFileNumber() - 1);
menu_options();
}
// Play next
if (command == '>') {
myDFPlayer.next();
Serial.println("Next:");
Serial.print("Current track:");
Serial.println(myDFPlayer.readCurrentFileNumber() + 1);
menu_options();
}
}
}
void menu_options() {
Serial.println();
Serial.println(F("=================================================================================================================================="));
Serial.println(F("Commands:"));
Serial.println(F(" [1-9] To select the MP3 file"));
Serial.println(F(" [fXsY] Play song from folder X, song Y"));
Serial.println(F(" [s] stopping reproduction"));
Serial.println(F(" [p] pause/continue music"));
Serial.println(F(" [r] toggle repeat mode"));
Serial.println(F(" [vX] set volume to X"));
Serial.println(F(" [+ or -] increases or decreases the volume"));
Serial.println(F(" [< or >] forwards or backwards the track"));
Serial.println();
Serial.println(F("================================================================================================================================="));
}
this is the code
