/*
  Wokwi | questions
  Hello. I've been using wokwi for a few months now. Has anyone encountered this error?

  chicago33 — 12:25 AM Monday, December 8, 2025
  Project Link: https://wokwi.com/projects/449363419244376065?gh=1
*/

// === Jose Camacho ====
// Module #5 project

//North South LEDs pin configuration
const int red_LED1 = 14;  // The red LED1 is wired to ESP32 board pin GPIO14
const int yellow_LED1 = 12; // The yellow LED1 is wired to ESP32 board pin GPIO12
const int green_LED1 = 13; // The green LED1 is wired to ESP32 board pin GPIO13

//East West LEDs pin configuration
const int red_LED2 = 25;  // The red LED2 is wired to Mega board pin GPIO25
const int yellow_LED2 = 26; // The yellow LED2 is wired to Mega board pin GPIO 26
const int green_LED2 = 27; // The green LED2 is wired to Mega board pin GPIO 27

//setup crosswalk value and button variables
const int Xw_button = 33; //Cross Walk button
bool Xw_value = false;

//Define what happens when interrupt is activated
void ARDUINO_ISR_ATTR crosswalkB()
//void IRAM_ATTR crosswalkB()
{ // Cross Walk button interrupt handler
  Xw_value = true;
}

// the setup function runs once when you press reset or power the board
void setup()
{
  //setup crosswalk button as input and attach the Interrupt
  pinMode(Xw_button, INPUT_PULLUP); // 0=pressed, 1 = unpressed button
  attachInterrupt(Xw_button, crosswalkB, RISING);

  //setup serial speed
  Serial.begin(115200);

  // NS pin direction set to output
  pinMode(red_LED1, OUTPUT); // initialize digital pin 14 (Red LED1) as an output.
  pinMode(yellow_LED1, OUTPUT); // initialize digital pin 12 (yellow LED1) as an output.
  pinMode(green_LED1, OUTPUT);  // initialize digital pin 13 (green LED1) as an output.
  //EW pin direction set to output
  pinMode(red_LED2, OUTPUT); // initialize digital pin 25(Red LED2) as an output.
  pinMode(yellow_LED2, OUTPUT); // initialize digital pin 26 (yellow LED2) as an output.
  pinMode(green_LED2, OUTPUT); // initialize digital pin 27 (green LED2) as an output.

  // test
  digitalWrite(red_LED1, HIGH);
  digitalWrite(yellow_LED1, HIGH);
  digitalWrite(green_LED1, HIGH);
  digitalWrite(red_LED2, HIGH);
  digitalWrite(yellow_LED2, HIGH);
  digitalWrite(green_LED2, HIGH);
  delay(1000);
  digitalWrite(red_LED1, LOW);
  digitalWrite(yellow_LED1, LOW);
  digitalWrite(green_LED1, LOW);
  digitalWrite(red_LED2, LOW);
  digitalWrite(yellow_LED2, LOW);
  digitalWrite(green_LED2, LOW);
}// end of setup

void loop() {
  if (Xw_value == true) {
    Serial.println("Button pressed");
    Xw_value = false;
    //delay(500);
  }
}