Audio Setup rev_01

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    - Project: Audio Setup
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2024-11-01 06:53:33

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* the robot I talked with. so all I need is to talk */
    /* with the ai from the microphone and listen to the */
    /* answer from the speaker so I have > breadboard and */
    /* esp32 and wire and microphone and speaker and */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void handleAudioCommunication(); // Function prototype for audio communication
void setupSpeaker(); // Function prototype for speaker setup

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t speaker_PushButton_PIN_D4 = 4; // Pin for the push button
const uint8_t microphone_PIN = 34; // Pin for the microphone (analog input)
const uint8_t speaker_PIN = 25; // Pin for the speaker (PWM output)

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
// Instance of the button using the EasyButton library
EasyButton button(speaker_PushButton_PIN_D4); // Initialize EasyButton object with the defined pin

void setup(void)
{
    // Initialize Serial for debugging purposes
    Serial.begin(115200);
    Serial.println(">>> EasyButton example <<<");

    // Initialize the button
    button.begin(); // Call the begin method to set up the button

    // Set up the speaker for PWM output
    setupSpeaker(); // Call the function to set up the speaker

    // Add a callback function to be called when the button is pressed
    button.onPressed([]() {
        Serial.println("Button pressed");
        // Here you can add code to handle microphone input and speaker output
        handleAudioCommunication();
    });
}

void loop(void)
{
    // Continuously read the status of the button
    button.read(); // Call read to check the button state
}

// Function to handle audio communication
void handleAudioCommunication() {
    // Read microphone input (analog value)
    int micValue = analogRead(microphone_PIN);
    Serial.print("Microphone value: ");
    Serial.println(micValue);

    // Here you would add code to process the microphone input
    // and send output to the speaker. This is a placeholder.
    // For example, you can use PWM to output sound to the speaker.
    ledcWrite(0, micValue / 4); // Scale micValue to fit PWM range (0-255)
}

// Function to set up the speaker pin for PWM output
void setupSpeaker() {
    ledcSetup(0, 5000, 8); // Channel 0, 5kHz frequency, 8-bit resolution
    ledcAttachPin(speaker_PIN, 0); // Attach the speaker pin to channel 0
}