arduino.ino

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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 32 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     4 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

int temp;
int clk;
int mem;
int load;

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

  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }

  // Show initial display buffer contents on the screen --
  // the library initializes this with an Adafruit splash screen.
  display.display();
  delay(2000); // Pause for 2 seconds

  // Clear the buffer
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0, 0);
}

void loop() {
  if (Serial.available()) {
    clk = Serial.parseInt();
    mem = Serial.parseInt();
    temp = Serial.parseInt();
    load = Serial.parseInt();
  }

  display.setCursor(0, 0);
  display.print("GPU CLCK: ");
  display.print(clk);
  display.println(" MHz");

  display.setCursor(0, 8);
  display.print("GPU M.CLCK: ");
  display.print(mem);
  display.println(" MHz");

  display.setCursor(0, 16);
  display.print("GPU TEMP: ");
  display.print(temp);
  display.println(" C");

  display.setCursor(0, 24);
  display.print("GPU LOAD: ");
  display.print(load);
  display.println("%");

  display.display();
  display.clearDisplay();
}