#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Wire.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Reset pin not used with the XIAO RP2040, set to -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1, 1700000UL, 1700000UL);

void setup() {
  // Initialize the display
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    for(;;); // Don’t proceed, loop forever if not found
  }

  display.clearDisplay();

  // Turn on 50 pixels at random
  // int pixels = round(SCREEN_WIDTH * SCREEN_HEIGHT/10);

  // while (pixels > 0){
  //   int x = random(SCREEN_WIDTH);
  //   int y = random(SCREEN_HEIGHT);
  //   display.drawPixel(x, y, SSD1306_WHITE);
  //   pixels -= 1;
  // }

  // Send buffer to display
  // display.display();
}

void loop() {

  display.clearDisplay();
  int  pixels = round(SCREEN_WIDTH * SCREEN_HEIGHT/10);

  while (pixels > 0){
    int x = random(SCREEN_WIDTH);
    int y = random(SCREEN_HEIGHT);
    display.drawPixel(x, y, SSD1306_WHITE);
    pixels -= 1;
  }
  display.display();
  delay(1000);

}