Revise paste Audio Control rev_02

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- Project: Audio Control
	- Source Code NOT compiled for: ESP32 DevKit V1
	- Source Code created on: 2024-10-15 21:08:40

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* use TFT ILI9488 SPI and PT2314 chip for audio int */
	/* vol,bass,treble,gain,loudness,mute,attnR,attnL */
	/* channel,bal_l,bal_r menu,options update display */
	/* rotar values */
/****** END SYSTEM REQUIREMENTS *****/

/********* User code review feedback **********
#### Feedback 1 ####
- add Ticker.h for ms,menu cases display draw menu0-4 add menu set
tings ,audio,clock, rotary handle volume ,bass,treble,gain,loud,
mute,in,i,bal_l,bal_r
********* User code review feedback **********/

/****** DEFINITION OF LIBRARIES *****/
#include <SimpleEncoder.h>  // Library for rotary encoder
#include <TFT_eSPI.h>       // TFT library for ILI9488 display
#include <PT2314.h>         // Library for PT2314 audio processor
#include <Ticker.h>         // Library for timing events

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

// Menu states
enum MenuState {
    MENU_MAIN,
    MENU_SETTINGS,
    MENU_AUDIO,
    MENU_CLOCK,
    MENU_EXIT
};

// Current menu state
MenuState currentMenu = MENU_MAIN;

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t ro_KY_040_CLK_PIN_D4 = 4;    // Rotary encoder CLK pin
const uint8_t ro_KY_040_DT_PIN_D13 = 13;   // Rotary encoder DT pin
const uint8_t ro_KY_040_SW_PIN_D14 = 14;   // Rotary encoder switch pin

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
SimpleEncoder encoder(ro_KY_040_SW_PIN_D14, ro_KY_040_CLK_PIN_D4, ro_KY_040_DT_PIN_D13); // Encoder instance
TFT_eSPI tft = TFT_eSPI(); // TFT display instance
PT2314 audioProcessor; // PT2314 audio processor instance
Ticker ticker; // Ticker instance for periodic tasks

// Audio settings variables
int volume = 30;
int bass = 0;
int treble = 0;
int gain = 0;
bool loudness = false;
bool mute = false;

// Function to draw the main menu
void drawMenu() {
    tft.fillScreen(TFT_BLACK); // Clear screen
    tft.setTextColor(TFT_WHITE);
    tft.setTextSize(2);
    tft.setCursor(10, 10);
    
    switch (currentMenu) {
        case MENU_MAIN:
            tft.println("Main Menu");
            tft.println("1. Settings");
            tft.println("2. Audio");
            tft.println("3. Clock");
            tft.println("4. Exit");
            break;
        case MENU_SETTINGS:
            tft.println("Settings Menu");
            tft.println("Adjust settings");
            break;
        case MENU_AUDIO:
            tft.println("Audio Menu");
            tft.printf("Volume: %d\nBass: %d\nTreble: %d\n", volume, bass, treble);
            break;
        case MENU_CLOCK:
            tft.println("Clock Menu");
            tft.println("Set the time");
            break;
        case MENU_EXIT:
            tft.println("Exiting...");
            break;
    }
}

// Function to update audio settings based on encoder value
void updateAudioSettings(int value) {
    if (value >= 0 && value <= 63) {
        audioProcessor.setVolume(value); // Set volume based on encoder value
        volume = value; // Update local variable
    } else if (value > 63 && value <= 127) {
        audioProcessor.setBass(value - 64); // Set bass if value exceeds 63
        bass = value - 64; // Update local variable
    } else if (value < 0 && value >= -63) {
        audioProcessor.setTreble(-value); // Set treble if value is negative
        treble = -value; // Update local variable
    }
}

void setup(void)
{
    // Initialize serial communication for debugging
    Serial.begin(9600);

// Initialize the TFT display
    tft.init();
    tft.setRotation(1); // Set rotation of the display
    tft.fillScreen(TFT_BLACK); // Clear screen with black color

// Initialize the audio processor
    if (audioProcessor.begin()) {
        Serial.println("PT2314 initialized successfully.");
    } else {
        Serial.println("Failed to initialize PT2314.");
    }

// Set initial audio settings
    audioProcessor.setVolume(volume); // Set initial volume
    audioProcessor.setBass(bass);     // Set initial bass
    audioProcessor.setTreble(treble); // Set initial treble
    audioProcessor.setMute(mute);      // Unmute audio

// Draw the initial menu
    drawMenu();
}

void loop(void)
{
    // Check if the encoder value is changing
    if (encoder.CHANGING) {
        // Get the current value from the encoder
        int value = encoder.VALUE;

// Update audio settings based on encoder value
        updateAudioSettings(value);

// Update the display with the current settings
        drawMenu();
    }

// Handle menu navigation
    if (encoder.BUTTON_PRESSED) {
        // Change menu state based on current state
        switch (currentMenu) {
            case MENU_MAIN:
                currentMenu = MENU_SETTINGS; // Go to settings menu
                break;
            case MENU_SETTINGS:
                currentMenu = MENU_AUDIO; // Go to audio menu
                break;
            case MENU_AUDIO:
                currentMenu = MENU_CLOCK; // Go to clock menu
                break;
            case MENU_CLOCK:
                currentMenu = MENU_EXIT; // Go to exit menu
                break;
            case MENU_EXIT:
                currentMenu = MENU_MAIN; // Return to main menu
                break;
        }
        drawMenu(); // Redraw the menu
    }
}

/* END CODE */