code to toggle state and control an output pin on Arduino Nano RP2040 Connect

toggle.ino

#include <Bounce2.h>

const int pin = 2;
const int button = 10;
bool led_state = false;
Bounce bouncer = Bounce();

// the setup function runs once when you press reset or power the board
void setup() {
  pinMode(pin, OUTPUT);
  pinMode(button, INPUT_PULLUP);
  bouncer.attach(button);
}

// the loop function runs over and over again forever
void loop() {
  
  bouncer.update();
  if (bouncer.changed() && bouncer.read() == LOW) {
    led_state = !led_state;
    Serial.println(led_state);
  }
  digitalWrite(pin, led_state);
}

void switch_led_state() {
  led_state = !led_state;
}