#include <stdio.h>
#include <Adafruit_SSD1306.h>
#include "pico/stdlib.h"
#include "hardware/gpio.h"
Adafruit_SSD1306 display(128, 32, &Wire, 0);

#define SELECT_GPIO 8
#define LOG_GPIO 2

void setup() {
  pinMode(LOG_GPIO, OUTPUT);
  pinMode(SELECT_GPIO, INPUT_PULLUP);
   Serial1.begin(115200);
  Serial1.println("Hello, 7segment - press button to count down!");
  display.begin(SSD1306_SWITCHCAPVCC, 0x3c);
  
  digitalWrite(LOG_GPIO, HIGH);
}

void loop() {
  //digitalWrite(LOG_GPIO, HIGH);
  display.drawRect(0,0,27,27, SSD1306_INVERSE);
  digitalWrite(LOG_GPIO, LOW);
  //digitalWrite(LOG_GPIO, LOW);
  display.display();
  
  while(true){
  bool SELECT = digitalRead(SELECT_GPIO);
  while(!SELECT){
     while(!SELECT){
      delay(1);
      if(digitalRead(SELECT_GPIO)){
        SELECT = true;
      }
     };

  };
   while(SELECT){
    delay(1);
    if(!digitalRead(SELECT_GPIO)){
        SELECT = false;
      }
   };
  // put your main code here, to run repeatedly:
  delay(1); // this speeds up the simulation
  }
}