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ESP32_DFPlayer.ino
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ESP32_DFPlayer.ino
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/*
NodeMCU ESP32 + DFPlayer Mini MP3
Author : ChungYi Fu (Kaohsiung, Taiwan) 2020-2-17 00:00
https://www.facebook.com/francefu
DFPlayer RX -> ESP32 gpio16
DFPlayer TX -> ESP32 gpio17
Sample Code
https://wiki.dfrobot.com/DFPlayer_Mini_SKU_DFR0299
Command Format :
http://APIP/?cmd=P1;P2;P3;P4;P5;P6;P7;P8;P9
http://STAIP/?cmd=P1;P2;P3;P4;P5;P6;P7;P8;P9
Default APIP： 192.168.4.1
STAIP：
Query： http://192.168.4.1/?ip
Link：http://192.168.4.1/?resetwifi=ssid;password
If you don't need to get response from ESP8266 and want to execute commands quickly,
you can append a parameter value "stop" at the end of command.
For example:
http://192.168.4.1/?digitalwrite=gpio;value;stop
http://192.168.4.1/?restart=stop
*/
#include <WiFi.h>
// Enter your WiFi ssid and password
const char* ssid = ""; //your network SSID
const char* password = ""; //your network password
const char* apssid = "ESP32_DFPlayer";
const char* appassword = "12345678"; //AP password require at least 8 characters.
WiFiServer server(80);
#include "Arduino.h"
#include "DFRobotDFPlayerMini.h"
#include <HardwareSerial.h>
HardwareSerial mySerial(1); // RX:gpio16 TX:gpio17
DFRobotDFPlayerMini myDFPlayer;
void printDetail(uint8_t type, int value);
String Feedback="", Command="",cmd="",P1="",P2="",P3="",P4="",P5="",P6="",P7="",P8="",P9="";
byte ReceiveState=0,cmdState=1,strState=1,questionstate=0,equalstate=0,semicolonstate=0;
void ExecuteCommand()
{
Serial.println("");
//Serial.println("Command: "+Command);
Serial.println("cmd= "+cmd+" ,P1= "+P1+" ,P2= "+P2+" ,P3= "+P3+" ,P4= "+P4+" ,P5= "+P5+" ,P6= "+P6+" ,P7= "+P7+" ,P8= "+P8+" ,P9= "+P9);
Serial.println("");
if (cmd=="your cmd") {
// You can do anything
// Feedback="<font color=\"red\">Hello World</font>";
}
else if (cmd=="ip") {
Feedback="AP IP: "+WiFi.softAPIP().toString();
Feedback+=", ";
Feedback+="STA IP: "+WiFi.localIP().toString();
}
else if (cmd=="mac") {
Feedback="STA MAC: "+WiFi.macAddress();
}
else if (cmd=="restart") {
setup();
}
else if (cmd=="resetwifi") {
WiFi.begin(P1.c_str(), P2.c_str());
Serial.print("Connecting to ");
Serial.println(P1);
long int StartTime=millis();
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
if ((StartTime+5000) < millis()) break;
}
Serial.println("");
Serial.println("STAIP: "+WiFi.localIP().toString());
Feedback="STAIP: "+WiFi.localIP().toString();
}
else if (cmd=="volume") { // value = 0 to 30
myDFPlayer.pause();
delay(300);
if (P1.toInt()>30)
P1="30";
else if (P1.toInt()<0)
P1="0";
myDFPlayer.volume(P1.toInt());
delay(300);
myDFPlayer.start();
}
else if (cmd=="volumeUp") {
myDFPlayer.pause();
delay(300);
myDFPlayer.volumeUp();
delay(300);
myDFPlayer.start();
}
else if (cmd=="volumeDown") {
myDFPlayer.pause();
delay(300);
myDFPlayer.volumeDown();
delay(300);
myDFPlayer.start();
}
else if (cmd=="EQ") { //P1 -> NORMAL|POP|ROCK|JAZZ|CLASSIC|BASS
if (P1=="NORMAL")
myDFPlayer.EQ(DFPLAYER_EQ_NORMAL);
else if (P1=="POP")
myDFPlayer.EQ(DFPLAYER_EQ_POP);
else if (P1=="ROCK")
myDFPlayer.EQ(DFPLAYER_EQ_ROCK);
else if (P1=="JAZZ")
myDFPlayer.EQ(DFPLAYER_EQ_JAZZ);
else if (P1=="CLASSIC")
myDFPlayer.EQ(DFPLAYER_EQ_CLASSIC);
else if (P1=="BASS")
myDFPlayer.EQ(DFPLAYER_EQ_BASS);
}
else if (cmd=="DEVICE") { //P1 -> U_DISK|SD|AUX|SLEEP|FLASH
if (P1=="U_DISK")
myDFPlayer.outputDevice(DFPLAYER_DEVICE_U_DISK);
else if (P1=="SD")
myDFPlayer.outputDevice(DFPLAYER_DEVICE_SD);
else if (P1=="AUX")
myDFPlayer.outputDevice(DFPLAYER_DEVICE_AUX);
else if (P1=="SLEEP")
myDFPlayer.outputDevice(DFPLAYER_DEVICE_SLEEP);
else if (P1=="FLASH")
myDFPlayer.outputDevice(DFPLAYER_DEVICE_FLASH);
}
else if (cmd=="sleep") {
myDFPlayer.sleep();
}
else if (cmd=="reset") {
myDFPlayer.reset();
}
else if (cmd=="enableDAC") {
myDFPlayer.enableDAC();
}
else if (cmd=="disableDAC") {
myDFPlayer.disableDAC();
}
else if (cmd=="outputSetting") { //myDFPlayer.outputSetting(true, 15); //enable the output and set the gain to 15
myDFPlayer.outputSetting(P1.toInt(), P2.toInt());
}
else if (cmd=="next") {
myDFPlayer.next();
}
else if (cmd=="previous") {
myDFPlayer.previous();
}
else if (cmd=="play") {
myDFPlayer.play(P1.toInt());
}
else if (cmd=="loop") {
myDFPlayer.loop(P1.toInt());
}
else if (cmd=="pause") {
myDFPlayer.pause();
}
else if (cmd=="start") {
myDFPlayer.start();
}
else if (cmd=="playFolder") { //myDFPlayer.playFolder(15, 4); //play specific mp3 in SD:/15/004.mp3; Folder Name(1~99); File Name(1~255)
myDFPlayer.playFolder(P1.toInt(), P2.toInt());
}
else if (cmd=="enableLoopAll") {
myDFPlayer.enableLoopAll();
}
else if (cmd=="disableLoopAll") {
myDFPlayer.disableLoopAll();
}
else if (cmd=="playMp3Folder") { //myDFPlayer.playMp3Folder(4); //play specific mp3 in SD:/MP3/0004.mp3; File Name(0~65535)
myDFPlayer.playMp3Folder(P1.toInt());
}
else if (cmd=="advertise") { //myDFPlayer.advertise(3); //advertise specific mp3 in SD:/ADVERT/0003.mp3; File Name(0~65535)
myDFPlayer.advertise(P1.toInt());
}
else if (cmd=="stopAdvertise") {
myDFPlayer.stopAdvertise();
}
else if (cmd=="playLargeFolder") { //myDFPlayer.playLargeFolder(2, 999); //play specific mp3 in SD:/02/004.mp3; Folder Name(1~10); File Name(1~1000)
myDFPlayer.playLargeFolder(P1.toInt(), P2.toInt());
}
else if (cmd=="loopFolder") { //myDFPlayer.loopFolder(5); //loop all mp3 files in folder SD:/05.
myDFPlayer.loopFolder(P1.toInt());
}
else if (cmd=="randomAll") {
myDFPlayer.randomAll();
}
else if (cmd=="enableLoop") {
myDFPlayer.enableLoop();
}
else if (cmd=="disableLoop") {
myDFPlayer.disableLoop();
}
else {
Feedback="Command is not defined";
}
if (Feedback=="") Feedback=Command;
}
void setup()
{
mySerial.begin(9600, SERIAL_8N1, 16, 17);
Serial.begin(115200);
delay(10);
WiFi.mode(WIFI_AP_STA);
//WiFi.config(IPAddress(192, 168, 201, 100), IPAddress(192, 168, 201, 2), IPAddress(255, 255, 255, 0));
WiFi.begin(ssid, password);
Serial.println("");
Serial.print("Connecting to ");
Serial.println(ssid);
long int StartTime=millis();
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
if ((StartTime+10000) < millis()) break;
}
Serial.println("");
Serial.println("STAIP address: ");
Serial.println(WiFi.localIP());
if (WiFi.status() == WL_CONNECTED)
{
WiFi.softAP((WiFi.localIP().toString()+"_"+(String)apssid).c_str(), appassword);
/*
cmd="ifttt";
P1="eventname";
P2="key";
P3=WiFi.localIP().toString();
ExecuteCommand();
*/
}
else
WiFi.softAP(apssid, appassword);
//WiFi.softAPConfig(IPAddress(192, 168, 4, 1), IPAddress(192, 168, 4, 1), IPAddress(255, 255, 255, 0));
Serial.println("");
Serial.println("APIP address: ");
Serial.println(WiFi.softAPIP());
server.begin();
Serial.println();
Serial.println(F("DFRobotDemo"));
Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));
if (!myDFPlayer.begin(mySerial)) { //Use softwareSerial to communicate with mp3.
Serial.println(F("Unable to begin:"));
Serial.println(F("1.Please recheck the connection!"));
Serial.println(F("2.Please insert the SD card!"));
}
else {
Serial.println(F("DFPlayer Mini online."));
myDFPlayer.volume(10); //Set volume value. From 0 to 30
pinMode(2, OUTPUT);
for (int i=0;i<10;i++)
{
digitalWrite(2,LOW);
delay(100);
digitalWrite(2,HIGH);
delay(100);
}
}
}
void loop()
{
Command="";cmd="";P1="";P2="";P3="";P4="";P5="";P6="";P7="";P8="";P9="";
ReceiveState=0,cmdState=1,strState=1,questionstate=0,equalstate=0,semicolonstate=0;
WiFiClient client = server.available();
if (client)
{
String currentLine = "";
while (client.connected())
{
if (client.available())
{
char c = client.read();
getCommand(c);
if (c == '\n')
{
if (currentLine.length() == 0)
{
Feedback+="<br><br>DFPlayer Mini MP3<br><br>";
Feedback+="<form method=\"get\" action=\"\">";
Feedback+="cmd:";
Feedback+="<select name=\"cmd\" id=\"cmd\">";
Feedback+="<option value=\"\"></option>";
Feedback+="<option value=\"play\">play(P1)</option>";
Feedback+="<option value=\"next\">next</option>";
Feedback+="<option value=\"previous\">previous</option>";
Feedback+="<option value=\"pause\">pause</option>";
Feedback+="<option value=\"start\">start</option>";
Feedback+="<option value=\"loop\">loop(P1)</option>";
Feedback+="<option value=\"volume\">volume(P1)</option>";
Feedback+="<option value=\"volumeUp\">volumeUp</option>";
Feedback+="<option value=\"volumeDown\">volumeDown</option>";
Feedback+="<option value=\"EQ\">EQ(P1=NORMAL,POP,ROCK,JAZZ,CLASSIC,BASS)</option>";
Feedback+="<option value=\"DEVICE\">DEVICE(P1=U_DISK,SD,AUX,SLEEP,FLASH)</option>";
Feedback+="<option value=\"sleep\">sleep</option>";
Feedback+="<option value=\"reset\">reset</option>";
Feedback+="<option value=\"enableDAC\">enableDAC</option>";
Feedback+="<option value=\"disableDAC\">disableDAC</option>";
Feedback+="<option value=\"outputSetting\">outputSetting(P1;P2)</option>";
Feedback+="<option value=\"randomAll\">randomAll</option>";
Feedback+="<option value=\"playFolder\">playFolder(P1;P2)</option>";
Feedback+="<option value=\"enableLoopAll\">enableLoopAll</option>";
Feedback+="<option value=\"disableLoopAll\">disableLoopAll</option>";
Feedback+="<option value=\"playMp3Folder\">playMp3Folder(P1)</option>";
Feedback+="<option value=\"advertise\">advertise(P1)</option>";
Feedback+="<option value=\"stopAdvertise\">stopAdvertise</option>";
Feedback+="<option value=\"playLargeFolder\">playLargeFolder(P1;P2)</option>";
Feedback+="<option value=\"loopFolder\">loopFolder(P1)</option>";
Feedback+="<option value=\"enableLoop\">enableLoop</option>";
Feedback+="<option value=\"disableLoop\">disableLoop</option>";
Feedback+="<option value=\"ip\">IP</option>";
Feedback+="<option value=\"mac\">MAC</option>";
Feedback+="<option value=\"restart\">Restart</option>";
Feedback+="<option value=\"resetwifi\">ResetWifi</option>";
Feedback+="</select>";
Feedback+="<br><br>P1:";
Feedback+="<input type=\"text\" name=\"P1\" id=\"P1\" size=\"20\">";
Feedback+="<br><br>P2:";
Feedback+="<input type=\"text\" name=\"P2\" id=\"P2\" size=\"20\">";
Feedback+="<br><br>";
Feedback+="<input type=\"button\" value=\"Send\" onclick=\"location.href='?'+cmd.value+'='+P1.value+';'+P2.value\">";
Feedback+="</form>";
client.println("HTTP/1.1 200 OK");
client.println("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
client.println("Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS");
client.println("Content-Type: text/html; charset=utf-8");
client.println("Access-Control-Allow-Origin: *");
//client.println("Connection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html><head>");
client.println("<meta charset=\"UTF-8\">");
client.println("<meta http-equiv=\"Access-Control-Allow-Origin\" content=\"*\">");
client.println("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">");
client.println("</head><body>");
client.println(Feedback);
client.println("</body></html>");
client.println();
Feedback="";
break;
} else {
currentLine = "";
}
}
else if (c != '\r')
{
currentLine += c;
}
if ((currentLine.indexOf("/?")!=-1)&&(currentLine.indexOf(" HTTP")!=-1))
{
if (Command.indexOf("stop")!=-1) {
client.println();
client.println();
client.stop();
}
currentLine="";
Feedback="";
ExecuteCommand();
}
}
}
delay(1);
client.stop();
}
}
void getCommand(char c)
{
if (c=='?') ReceiveState=1;
if ((c==' ')||(c=='\r')||(c=='\n')) ReceiveState=0;
if (ReceiveState==1)
{
Command=Command+String(c);
if (c=='=') cmdState=0;
if (c==';') strState++;
if ((cmdState==1)&&((c!='?')||(questionstate==1))) cmd=cmd+String(c);
if ((cmdState==0)&&(strState==1)&&((c!='=')||(equalstate==1))) P1=P1+String(c);
if ((cmdState==0)&&(strState==2)&&(c!=';')) P2=P2+String(c);
if ((cmdState==0)&&(strState==3)&&(c!=';')) P3=P3+String(c);
if ((cmdState==0)&&(strState==4)&&(c!=';')) P4=P4+String(c);
if ((cmdState==0)&&(strState==5)&&(c!=';')) P5=P5+String(c);
if ((cmdState==0)&&(strState==6)&&(c!=';')) P6=P6+String(c);
if ((cmdState==0)&&(strState==7)&&(c!=';')) P7=P7+String(c);
if ((cmdState==0)&&(strState==8)&&(c!=';')) P8=P8+String(c);
if ((cmdState==0)&&(strState>=9)&&((c!=';')||(semicolonstate==1))) P9=P9+String(c);
if (c=='?') questionstate=1;
if (c=='=') equalstate=1;
if ((strState>=9)&&(c==';')) semicolonstate=1;
}
}
/*
if (myDFPlayer.available()) {
printDetail(myDFPlayer.readType(), myDFPlayer.read()); //Print the detail message from DFPlayer to handle different errors and states.
}
*/
void printDetail(uint8_t type, int value){
switch (type) {
case TimeOut:
Serial.println(F("Time Out!"));
break;
case WrongStack:
Serial.println(F("Stack Wrong!"));
break;
case DFPlayerCardInserted:
Serial.println(F("Card Inserted!"));
break;
case DFPlayerCardRemoved:
Serial.println(F("Card Removed!"));
break;
case DFPlayerCardOnline:
Serial.println(F("Card Online!"));
break;
case DFPlayerPlayFinished:
Serial.print(F("Number:"));
Serial.print(value);
Serial.println(F(" Play Finished!"));
break;
case DFPlayerError:
Serial.print(F("DFPlayerError:"));
switch (value) {
case Busy:
Serial.println(F("Card not found"));
break;
case Sleeping:
Serial.println(F("Sleeping"));
break;
case SerialWrongStack:
Serial.println(F("Get Wrong Stack"));
break;
case CheckSumNotMatch:
Serial.println(F("Check Sum Not Match"));
break;
case FileIndexOut:
Serial.println(F("File Index Out of Bound"));
break;
case FileMismatch:
Serial.println(F("Cannot Find File"));
break;
case Advertise:
Serial.println(F("In Advertise"));
break;
default:
break;
}
break;
default:
break;
}
}