Button Increment rev_05

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    - Project: Button Increment
    - Source Code compiled for: ESP32 DevKit V1
    - Source Code created on: 2024-12-16 02:45:24

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* set pins d5,d18,d19,d23 to high.  set pins D13, */
    /* D12, D14, D27 as mux pins s0, s1 ,s2 ,s3.  add a */
    /* button to pin D26, when the input goes low, */
    /* increment the number to the mux. */
/****** END SYSTEM REQUIREMENTS *****/


/********* User code review feedback **********
#### Feedback 1 ####
- C:\Users\Craig\AppData\Local\Temp\.arduinoIDE-unsaved20241116-22
928-iq50t9.lf7t\sketch_dec16a\sketch_dec16a.ino:37:24: error: 'D
13' was not declared in this scope; did you mean 'A13'?
   37 |
const int muxPins[] = {D13, D12, D14, D27}; // MUX pins
      |
                       ^~~
      |
#### Feedback 2 ####
- Add that when the button is pressed it is displayed on the seria
l monitor, along with the count and the settings for the mux.
Al
so flash the internal LED for 1 second every time the button is
pressed
********* User code review feedback **********/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h>

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

// Pin definitions
const int muxPins[] = {13, 12, 14, 27}; // MUX pins (Updated: Removed 'D' prefix)
const int buttonPin = 26; // Button pin (Updated: Removed 'D' prefix)
EasyButton button(buttonPin); // Create button object

// MUX value
int muxValue = 0;

void setup(void)
{
    // Set pins 5, 18, 19, 23 to HIGH
    pinMode(5, OUTPUT);
    pinMode(18, OUTPUT);
    pinMode(19, OUTPUT);
    pinMode(23, OUTPUT);

    digitalWrite(5, HIGH);
    digitalWrite(18, HIGH);
    digitalWrite(19, HIGH);
    digitalWrite(23, HIGH);

    // Set MUX pins as OUTPUT
    for (int i = 0; i < 4; i++) {
        pinMode(muxPins[i], OUTPUT);
    }

    // Initialize button
    button.begin();

    // Initialize Serial communication
    Serial.begin(9600);
}

void loop(void)
{
    // Update button state
    button.update();

    // Check if the button is pressed
    if (button.isPressed()) {
        // Increment the mux value
        muxValue = (muxValue + 1) % 16; // Assuming a 4-bit MUX (0-15)

        // Set MUX pins according to the muxValue
        for (int i = 0; i < 4; i++) {
            digitalWrite(muxPins[i], (muxValue >> i) & 0x01);
        }

        // Display the button press count and mux settings on Serial Monitor
        Serial.print("Button pressed! Count: ");
        Serial.print(muxValue);
        Serial.print(" MUX settings: ");
        for (int i = 0; i < 4; i++) {
            Serial.print((muxValue >> i) & 0x01);
            if (i < 3) Serial.print(", ");
        }
        Serial.println();

        // Flash the internal LED for 1 second
        digitalWrite(LED_BUILTIN, HIGH);
        delay(1000);
        digitalWrite(LED_BUILTIN, LOW);
    }

    // Add a small delay to debounce the button
    delay(50);
}

/* END CODE */