DFRobot DFPlayer Mini Demo
Initializing DFPlayer … (May take 3~5 seconds)
DFPlayer Mini online.
Guru Meditation Error: Core 1 panic’ed (LoadProhibited). Exception was unhandled.
Core 1 register dump:
PC : 0x400d4eb4 PS : 0x00060f30 A0 : 0x800d4f09 A1 : 0x3ffcae50
A2 : 0x3ffc3864 A3 : 0x00000000 A4 : 0x00000002 A5 : 0x0000ff00
A6 : 0x00ff0000 A7 : 0xff000000 A8 : 0x00000000 A9 : 0x00000007
A10 : 0x00000000 A11 : 0x3f403507 A12 : 0x0000000a A13 : 0x0000ff00
A14 : 0x00ff0000 A15 : 0xff000000 SAR : 0x00000010 EXCCAUSE: 0x0000001c
EXCVADDR: 0x00000000 LBEG : 0x40149ed0 LEND : 0x40149edc LCOUNT : 0x00000000
Backtrace: 0x400d4eb1:0x3ffcae50 0x400d4f06:0x3ffcae70 0x400d4f2c:0x3ffcae90 0x400d2a23:0x3ffcaeb0 0x400d61ca:0x3ffcaee0
ELF file SHA256: 41a32e3900574450
I think the probem is the DFPlayer but don’t know why
New contributor
Marc Russo Poveda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
The code:
#include "WiFiManager.h"
#include "NTPClient.h"
#include "TM1637Display.h"
#include "DFRobotDFPlayerMini.h"
#include "AiEsp32RotaryEncoder.h"
//========================USEFUL VARIABLES=============================
uint16_t notification_volume= 15;
const char *ssid = "DIGIFIBRA-2.4GHz"; // put your SSID between the quotes mark
const char *password = "44484448ca"; // put your wifi password between the quotes mark
int UTC = 2; // UTC + value in hour - Summer time
int Display_backlight = 3; // Set displays brightness 0 to 7;
//=====================================================================
#define ROTARY_ENCODER_A_PIN 25
#define ROTARY_ENCODER_B_PIN 26
#define ROTARY_ENCODER_BUTTON_PIN 27
#define RED_LED 32
#define WHITE_LED 33
#define ROTARY_ENCODER_STEPS 4
#define ROTARY_ENCODER_VCC_PIN -1
const byte RXD2 = 16; // Connects to module's TX
const byte TXD2 = 17; // Connects to module's RX
const long utcOffsetInSeconds = 3600; // UTC + 2H / Offset in second
bool res;
AiEsp32RotaryEncoder rotaryEncoder = AiEsp32RotaryEncoder(ROTARY_ENCODER_A_PIN, ROTARY_ENCODER_B_PIN, ROTARY_ENCODER_BUTTON_PIN, ROTARY_ENCODER_VCC_PIN, ROTARY_ENCODER_STEPS);
void IRAM_ATTR readEncoderISR()
{
rotaryEncoder.readEncoder_ISR();
}
#define FPSerial Serial1
DFRobotDFPlayerMini myDFPlayer;
void printDetail(uint8_t type, int value);
float counter = 0;
String currentDir = "";
unsigned long lastButtonPress = 0;
int btnState = 0;
int secondes = 0;
int minutes = 0;
float inc_red_led = 0;
// Define NTP Client to get time
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", utcOffsetInSeconds*UTC);
TM1637Display red1(21, 22);
void setup() {
pinMode(RED_LED, OUTPUT);
pinMode(WHITE_LED, OUTPUT);
// configure LED PWM functionalitites
ledcSetup(0, 5000, 8);
// attach the channel to the GPIO to be controlled
ledcAttachPin(RED_LED, 0);
red1.setBrightness(Display_backlight);
Serial.begin(9600);
WiFi.begin(ssid, password);
while ( WiFi.status() != WL_CONNECTED ) {
delay ( 500 );
Serial.print ( "." );
}
timeClient.begin();
FPSerial.begin(9600, SERIAL_8N1, RXD2, TXD2);
Serial.println();
Serial.println(F("DFRobot DFPlayer Mini Demo"));
Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));
if (!myDFPlayer.begin(FPSerial, /*isACK = */true, /*doReset = */true)) { //Use serial 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!"));
while(true){
delay(0); // Code to compatible with ESP8266 watch dog.
}
}
Serial.println(F("DFPlayer Mini online."));
myDFPlayer.volume(20); //Set volume value. From 0 to 30
myDFPlayer.play(1); //Play the first mp3
Serial.println("n Starting");
rotaryEncoder.begin();
rotaryEncoder.setup(readEncoderISR);
rotaryEncoder.setBoundaries(0, 3500, true); //minValue, maxValue, circleValues true|false (when max go to min and vice versa)
rotaryEncoder.setAcceleration(250);
}
void loop() {
timeClient.update();
red1.showNumberDecEx(timeClient.getHours(),0b01000000,true,2,0);
red1.showNumberDecEx(timeClient.getMinutes(),0b01000000,true,2,2);
Serial.print("Time: ");
Serial.println(timeClient.getFormattedTime());
unsigned long epochTime = timeClient.getEpochTime();
struct tm *ptm = gmtime ((time_t *)&epochTime);
int currentYear = ptm->tm_year+1900;
Serial.print("Year: ");
Serial.println(currentYear);
int monthDay = ptm->tm_mday;
Serial.print("Month day: ");
Serial.println(monthDay);
int currentMonth = ptm->tm_mon+1;
Serial.print("Month: ");
Serial.println(currentMonth);
if (myDFPlayer.available()) {
printDetail(myDFPlayer.readType(), myDFPlayer.read()); //Print the detail message from DFPlayer to handle different errors and states.
}
btnState = digitalRead(ROTARY_ENCODER_BUTTON_PIN);
ledcWrite(0, inc_red_led);
digitalWrite(WHITE_LED, LOW);
//If we detect LOW signal, button is pressed
if (btnState == LOW) {
//if 50ms have passed since last LOW pulse, it means that the
//button has been pressed, released and pressed again
if (millis() - lastButtonPress > 50) {
Serial.println("Button pressed!");
Setup_timer();
}
// Remember last button press event
lastButtonPress = millis();
}
if ( inc_red_led <= 254)
inc_red_led = inc_red_led + 0.1;
else inc_red_led = 0;
delay(1);
if((currentMonth*30 + monthDay) >= 121 && (currentMonth*30 + monthDay) < 331){
timeClient.setTimeOffset(utcOffsetInSeconds*UTC);} // Change daylight saving time - Summer - change 31/03 at 00:00
else {timeClient.setTimeOffset((utcOffsetInSeconds*UTC) - 3600);} // Change daylight saving time - Winter - change 31/10 at 00:00
}
void Setup_timer() {
red1.showNumberDecEx(88,0b01000000,true,2,0);
red1.showNumberDecEx(88,0b01000000,true,2,2);
digitalWrite(RED_LED, HIGH);
digitalWrite(WHITE_LED, HIGH);
myDFPlayer.play(2);
delay(500);
btnState = digitalRead(ROTARY_ENCODER_BUTTON_PIN);
while (digitalRead(ROTARY_ENCODER_BUTTON_PIN) == HIGH) {
if (rotaryEncoder.encoderChanged())
{
Serial.println(rotaryEncoder.readEncoder());
counter = rotaryEncoder.readEncoder();
}
if (rotaryEncoder.isEncoderButtonClicked())
{
Serial.println("button pressed");
}
minutes = counter / 60;
secondes = ((counter / 60) - minutes) * 60;
red1.showNumberDecEx(minutes,0b01000000,true,2,0);
red1.showNumberDecEx(secondes,0b01000000,true,2,2);
}
Countdown(counter);
Serial.println("Sortie de la boucle");
}
void Countdown (float timer_counter) {
myDFPlayer.play(8);;
delay(1000);
btnState = digitalRead(ROTARY_ENCODER_BUTTON_PIN);
while (btnState == HIGH )
{
btnState = digitalRead(ROTARY_ENCODER_BUTTON_PIN);
for (int i = 10 ; i > 0; i--) {
timer_counter = timer_counter - 0.1;
minutes = timer_counter / 60;
secondes = ((timer_counter / 60) - minutes) * 60;
red1.showNumberDecEx(minutes,0b01000000,true,2,0);
red1.showNumberDecEx(secondes,0b01000000,true,2,2);
delay(70);
digitalWrite(RED_LED, LOW);
}
if (timer_counter <= 0) {
myDFPlayer.play(3);
for ( int i = 0 ; i < 9 ; i++) {
ledcWrite(0, 255);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, HIGH);
waitMilliseconds(random(10, 150));
ledcWrite(0, 0);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, LOW);
waitMilliseconds(random(10, 150));
}
myDFPlayer.play(5);
for ( int i = 0 ; i < 9 ; i++) {
ledcWrite(0, 255);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, HIGH);
waitMilliseconds(random(10, 150));
ledcWrite(0, 0);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, LOW);
waitMilliseconds(random(10, 150));
}
myDFPlayer.play(7);
for ( int i = 0 ; i < 9 ; i++) {
ledcWrite(0, 255);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, HIGH);
waitMilliseconds(random(10, 150));
ledcWrite(0, 0);
waitMilliseconds(random(10, 150));
digitalWrite(WHITE_LED, LOW);
waitMilliseconds(random(10, 150));
}
btnState = LOW;
counter = 0;
};
}
}
void waitMilliseconds(uint16_t msWait)
{
uint32_t start = millis();
while ((millis() - start) < msWait)
{
// calling mp3.loop() periodically allows for notifications
// to be handled without interrupts
delay(1);
}
}
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 DFPlayerUSBInserted:
Serial.println("USB Inserted!");
break;
case DFPlayerUSBRemoved:
Serial.println("USB Removed!");
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;
}
}
New contributor
Marc Russo Poveda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.