DFPlayer Control rev_05

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    - Project: DFPlayer Control
    - Source Code NOT compiled for: Arduino Nano
    - Source Code created on: 2024-09-22 21:15:57

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The Haunted Radio project utilizes the DFRobot */
    /* DFPlayer Mini for audio playback, controlled via */
    /* SoftwareSerial on pins A0 and A1, enabling */
    /* seamless integration of sound effects in a haunted */
    /* theme.  Play track 1. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>  // https://github.com/DFRobot/DFRobotDFPlayerMini

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF Software Serial *****/
const uint8_t DFP_DFPlayerMini_Serial_PIN_SERIAL_TX_A0 = A0; // TX pin for SoftwareSerial
const uint8_t DFP_DFPlayerMini_Serial_PIN_SERIAL_RX_A1 = A1; // RX pin for SoftwareSerial
SoftwareSerial DFP_DFPlayerMini_Serial(DFP_DFPlayerMini_Serial_PIN_SERIAL_RX_A1, DFP_DFPlayerMini_Serial_PIN_SERIAL_TX_A0);

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
DFRobotDFPlayerMini myDFPlayer;  // Instance of the DFPlayer Mini class

void setup(void)
{
    // Initialize the software serial port for DFPlayer Mini
    DFP_DFPlayerMini_Serial.begin(9600);

    // Initialize the serial monitor for debugging
    Serial.begin(115200);

    // Wait for a moment to allow the DFPlayer to initialize
    Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));
    if (!myDFPlayer.begin(DFP_DFPlayerMini_Serial, true, true)) {  // Use serial to communicate with the DFPlayer
        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); // Infinite loop to halt execution
        }
    }

    Serial.println(F("DFPlayer Mini online."));
    myDFPlayer.volume(10);  // Set volume (0-30)
    myDFPlayer.play(1);     // Play the first mp3
}

void loop(void)
{
    static unsigned long timer = millis();

    // Play next mp3 every 3 seconds
    if (millis() - timer > 3000) {
        timer = millis();
        myDFPlayer.next();  // Play next mp3
    }

    // Check if the DFPlayer has available data to read
    if (myDFPlayer.available()) {
        printDetail(myDFPlayer.readType(), myDFPlayer.read()); // Print details of the DFPlayer status
    }
}

// Function to print details about the DFPlayer status
void printDetail(uint8_t type, int value) {
    switch (type) {
        case DFPlayerCardInserted:
            Serial.println(F("Card Inserted!"));
            break;
        case DFPlayerCardRemoved:
            Serial.println(F("Card Removed!"));
            break;
        case DFPlayerPlayFinished:
            Serial.print(F("Number:"));
            Serial.print(value);
            Serial.println(F(" Play Finished!"));
            break;
        case DFPlayerError:
            switch (value) {
                case Busy:
                    Serial.println(F("Card not found"));
                    break;
                case Sleeping:
                    Serial.println(F("Sleeping"));
                    break;
                case FileIndexOut:
                    Serial.println(F("File Index Out of Bound"));
                    break;
                default:
                    break;
            }
            break;
        default:
            break;
    }
}

/* END CODE */