// Jeff Ritchie april 5 20206- written using the following initial prompt on chatgpt 
// I want to add a second oled and display a different message on it. 
// The address is o3D
// // Jeff Ritchie april 5 20206 for fab academy week 11
// // initial code from chatgpt. I played around with the parameters and added code from hellobuttonblink

// #include <Wire.h> //library used for I2C
// #include <Adafruit_GFX.h> //library used for graphics
// #include <Adafruit_SH110X.h> //library used for OLED
// #define Button_pin D10 //establishes pin for button
// Adafruit_SH1107 display = Adafruit_SH1107(64, 128, &Wire); //first instance of oled display controled by wire
// Adafruit_SH1107 display2 = Adafruit_SH1107(32, 128, &Wire); //second instance oled display controled by wire

// void setup() {
//   //setting the intiial display
//   Serial.begin(115200); //set baud rate
//   Wire.begin();//begin function for wire
//   pinMode(Button_pin, INPUT_PULLUP);  // button to GND
//   display2.begin(0x3D, true); //establishes the I2C address of the display 
//   display2.setRotation(1); //sets the roation of the OLED display  
//   display2.clearDisplay(); //clears previous display
//   display2.setCursor(0, 20); //sets where the message will start- x pixels and y pixels. 0 0 is origin
//   display2.setTextSize(2); //sets the size of the text to be displayed. 1 is smallest
//   display2.setTextColor(SH110X_WHITE); //text color
//   display2.println("Hey world"); //I couldn't fit hello world on the screen at size 2
//   display2.display(); //displays instance above.
// }

// void loop() {
//   if (digitalRead(Button_pin) == LOW) { //if loop if button is pressed
//     display.clearDisplay(); //clears previous display
//     display.setCursor(0, 10); //sets where the message will start- x pixels and 10 pixels down. 0 0 is origin
//     display.setTextSize(1); //sets the size of the text to be displayed. 
//     display.setTextColor(SH110X_WHITE); //text color
//     display.println("I said hey there"); //
//     display.display(); //displays instance above.
//     delay(200); //debounce button
//   }
//   else {
//     display.clearDisplay(); //clears previous display
//     display.setCursor(0, 20); //sets where the message will start- x pixels and y pixels. 0 0 is origin
//     display.setTextSize(2); //sets the size of the text to be displayed. 
//     display.setTextColor(SH110X_WHITE); //text color
//     display.println("Hey world"); //I couldn't fit hello world on the screen at size 2
//     display.display(); //displays instance above.
//   }
// }
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SH110X.h>
#include <Adafruit_ADT7410.h>

Adafruit_SH1107 display = Adafruit_SH1107(64, 128, &Wire);
Adafruit_ADT7410 tempsensor = Adafruit_ADT7410();

unsigned long lastUpdate = 0;
const int interval = 500;

void setup() {
  Serial.begin(115200);
  while (!Serial) {
    delay(10);
  }
  Wire.begin();
  Wire.setClock(100000);  // set I²C to 100 kHz
  Serial.println("Before display.begin");
  display.begin(0x3C, false);
  Serial.println("After display.begin");

  display.setRotation(1);
  display.clearDisplay();
  display.display();

  if (!tempsensor.begin(0x48)) {
    Serial.println("ADT7410 failed");
    while (1);
  }

  Serial.println("System ready");
}

void loop() {
  if (millis() - lastUpdate > interval) {
    lastUpdate = millis();

    float tempC = tempsensor.readTempC();

    Serial.print("Temp: ");
    Serial.println(tempC);

    display.clearDisplay();
    // IMPORTANT: reset all text settings every time
    display.setCursor(0, 20);
    display.setTextSize(2);
    display.setTextColor(SH110X_WHITE);

    display.print(tempC, 1);
    display.println(" C");

    display.display();
  }
}