Audio Relay rev_07

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    - Project: Audio Relay
    - Source Code NOT compiled for: Arduino Nano
    - Source Code created on: 2024-09-22 21:53:04

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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, ensuring */
    /* seamless integration with Arduino for sound */
    /* effects. */
/****** SYSTEM REQUIREMENT 2 *****/
    /* Turn on relay on D2  Play track 1 for 14 seconds. */
    /* Play a random track between 2 and 7 for 1 minute */
    /* Shut down and wait 1 minute.  restart */
/****** 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;
const uint8_t DFP_DFPlayerMini_Serial_PIN_SERIAL_RX_A1      = A1;
SoftwareSerial DFP_DFPlayerMini_Serial(DFP_DFPlayerMini_Serial_PIN_SERIAL_RX_A1, DFP_DFPlayerMini_Serial_PIN_SERIAL_TX_A0);

/****** DEFINITION OF RELAY PIN *****/
const uint8_t RELAY_PIN = 2; // Define the pin for the relay

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

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

    // Initialize the serial monitor for debugging
    Serial.begin(115200);
    Serial.println(F("DFRobot DFPlayer Mini Demo"));

    // Initialize the DFPlayer Mini
    if (!myDFPlayer.begin(DFP_DFPlayerMini_Serial, /*isACK = */true, /*doReset = */true)) {
        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); // Stop the program if initialization fails
    }
    Serial.println(F("DFPlayer Mini online."));

    // Set volume and other configurations
    myDFPlayer.volume(10);  // Set volume value (0~30)
    myDFPlayer.setTimeOut(500); // Set serial communication timeout

    // Initialize the relay pin
    pinMode(RELAY_PIN, OUTPUT);
}

void loop(void)
{
    // Turn on relay
    digitalWrite(RELAY_PIN, HIGH); // Activate relay
    myDFPlayer.play(1); // Play track 1
    delay(14000); // Wait for 14 seconds

    // Turn off relay
    digitalWrite(RELAY_PIN, LOW); // Deactivate relay
    delay(1000); // Short delay before next action

    // Play a random track between 2 and 7 for 1 minute
    unsigned long startTime = millis();
    while (millis() - startTime < 60000) { // Loop for 1 minute
        int randomTrack = random(2, 8); // Generate random track number between 2 and 7
        myDFPlayer.play(randomTrack); // Play the random track
        delay(10000); // Wait for 10 seconds before playing another track
    }

    // Shut down and wait for 1 minute
    myDFPlayer.stop(); // Stop playback
    delay(60000); // Wait for 1 minute before restarting
}