main

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

#define OLED_RESET LED_BUILTIN
Adafruit_SSD1306 display(OLED_RESET);




void setup()   {                
  Serial.begin(9600);

  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  display.begin(SSD1306_SWITCHCAPVCC , 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  display.clearDisplay();
  
   // draw rectangles
  testdrawrect();
  display.display();
  delay(2000);
 // display.clearDisplay();


 // draw multiple rectangles
  testfillrect();
  display.display();
  delay(2000);
  //display.clearDisplay();




 
 
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(35,0);
  display.println("DUST BIN");
  // Show the display buffer on the hardware.
  // NOTE: You _must_ call display after making any drawing commands
  // to make them visible on the display hardware!
  display.display();
  delay(2000);
  //display.clearDisplay();

  //display.setTextSize(1);
  //display.setTextColor(WHITE);
  //display.setCursor(0,0);
  //display.println("Hello, world!");
  //display.setTextColor(BLACK, WHITE); // 'inverted' text
  //display.println();
  display.setCursor(0,15);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.print("CHIP2CLOUD"); 
  display.display();
  delay(2000);
  
}


 void loop() {
  
}


void testdrawrect(void) {
 
    display.drawRect(100,0,22,7, WHITE);
    display.display();
    //delay(1);
  }


  void testfillrect(void) {
  uint8_t color = 1;
 // for (int16_t i=0; i<display.height()/2; i+=3) {
    // alternate colors
    display.fillRect(100,0,15,7,color%2);
    display.display();
    delay(1);
  //  color++;
  
}