/*
 * ESP32 LED Blink & Rotary Encoder with BLE Gamepad
 * 
 * Este código controla encoders rotativos e um gamepad BLE,
 * além de gerenciar um LED indicador e um sistema de inatividade.
 */

#include <AiEsp32RotaryEncoder.h>
#include <Keypad.h>
#include <Arduino.h>
#include <BleGamepad.h>
#include "driver/rtc_io.h"


// LED
#define LED 23
bool ledState = LOW;
unsigned long previousMillis = 0;
const long blinkInterval = 1000;

//=========== Keypad MATRIZ
const byte ROWS = 2;  // Four rows
const byte COLS = 5;  // Four columns
char keys[ROWS][COLS] = {
  { BUTTON_1, BUTTON_2, BUTTON_3, BUTTON_4, BUTTON_5 },
  { BUTTON_6, BUTTON_7, BUTTON_8, BUTTON_9, BUTTON_10}
};
byte rowPins[ROWS] = { 19, 21 };     // Connect to the row pinouts of the keypad
byte colPins[COLS] = { 15, 2, 4, 16 ,22 };  // Connect to the column pinouts of the keypad

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);  // KeyPad instance






void button_matrix_loop() {
    turnLedOn();
    //  Returns true if there are ANY active keys.

    
    if (keypad.getKeys()) {
      for (int i = 0; i < LIST_MAX; i++)  // Scan the whole key list.
      {
        if (keypad.key[i].stateChanged)  // Only find keys that have changed state.
        {
          switch (keypad.key[i].kstate) {  // Report active key state : IDLE, PRESSED, HOLD, or RELEASED
            case PRESSED:
              Serial.println(" PRESSED.");
              break;
            case HOLD:
              Serial.println(" HOLD.");
              break;
            case RELEASED:
              Serial.println(" RELEASED.");
              break;
            case IDLE:
              Serial.println(" IDLE.");
          }
          Serial.print(keypad.key[i].kcode);
          
        }
      }
    }
}



void turnLedOn() {
  digitalWrite(LED, HIGH);
  ledState = HIGH;
}


//=====================================================================================

void setup() {


  // put your setup code here, to run once:
  Serial.begin(115200);

  
  // Set pin mode
  pinMode(LED, OUTPUT);

}

void loop() {
  button_matrix_loop();

}