// Basic demo for accelerometer readings from Adafruit MPU6050

// ESP32 Guide: https://RandomNerdTutorials.com/esp32-mpu-6050-accelerometer-gyroscope-arduino/
// ESP8266 Guide: https://RandomNerdTutorials.com/esp8266-nodemcu-mpu-6050-accelerometer-gyroscope-arduino/
// Arduino Guide: https://RandomNerdTutorials.com/arduino-mpu-6050-accelerometer-gyroscope/

#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_ILI9341.h>
#include <Wire.h>

#define BTN_PIN 5
#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
Adafruit_MPU6050 mpu;

boolean buttonSwitch = true;

void setup(void) {
  pinMode(BTN_PIN, INPUT_PULLUP);
  Serial.begin(115200);
  while (!Serial)
    delay(10); // will pause Zero, Leonardo, etc until serial console opens

  Serial.println("Adafruit MPU6050 test!");
  delay(10);
  tft.begin();
  tft.setRotation(1);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Adafruit MPU6050 test!");

  // Try to initialize!
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    tft.print("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
 
  mpu.setAccelerometerRange(MPU6050_RANGE_8_G);
  Serial.print("Accelerometer range set to: ");
  switch (mpu.getAccelerometerRange()) {
  case MPU6050_RANGE_2_G:
    Serial.println("+-2G");
    break;
  case MPU6050_RANGE_4_G:
    Serial.println("+-4G");
    break;
  case MPU6050_RANGE_8_G:
    Serial.println("+-8G");
    break;
  case MPU6050_RANGE_16_G:
    Serial.println("+-16G");
    break;
  }
  mpu.setGyroRange(MPU6050_RANGE_500_DEG);
  Serial.print("Gyro range set to: ");
  switch (mpu.getGyroRange()) {
  case MPU6050_RANGE_250_DEG:
    Serial.println("+- 250 deg/s");
    break;
  case MPU6050_RANGE_500_DEG:
    Serial.println("+- 500 deg/s");
    break;
  case MPU6050_RANGE_1000_DEG:
    Serial.println("+- 1000 deg/s");
    break;
  case MPU6050_RANGE_2000_DEG:
    Serial.println("+- 2000 deg/s");
    break;
  }

  mpu.setFilterBandwidth(MPU6050_BAND_5_HZ);
  Serial.print("Filter bandwidth set to: ");
  switch (mpu.getFilterBandwidth()) {
  case MPU6050_BAND_260_HZ:
    Serial.println("260 Hz");
    break;
  case MPU6050_BAND_184_HZ:
    Serial.println("184 Hz");
    break;
  case MPU6050_BAND_94_HZ:
    Serial.println("94 Hz");
    break;
  case MPU6050_BAND_44_HZ:
    Serial.println("44 Hz");
    break;
  case MPU6050_BAND_21_HZ:
    Serial.println("21 Hz");
    break;
  case MPU6050_BAND_10_HZ:
    Serial.println("10 Hz");
    break;
  case MPU6050_BAND_5_HZ:
    Serial.println("5 Hz");
    break;
  }

  Serial.println("");
  delay(100);
}

void loop() {
  /* Get new sensor events with the readings */
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  Serial.println(digitalRead(BTN_PIN));
  Serial.println(buttonSwitch);
  delay(500);

if (digitalRead(BTN_PIN) == LOW)
    {
    buttonSwitch=!buttonSwitch;
    };

if(buttonSwitch == 0)
      {
        tft.setCursor(0, 0);
        tft.fillScreen(ILI9341_BLACK);
        tft.println("Gyroscope - rps");
        tft.print(g.gyro.x, 2);
        tft.print(", ");
        tft.print(g.gyro.y, 1);
        tft.print(", ");
        tft.print(g.gyro.z, 1);
        tft.println("");
        Serial.print("Rotation X: ");
        Serial.print(g.gyro.x);
        Serial.print(", Y: ");
        Serial.print(g.gyro.y);
        Serial.print(", Z: ");
        Serial.print(g.gyro.z);
        Serial.println(" rad/s");
        delay(500);
        }
  else
  {
    tft.fillScreen(ILI9341_BLACK);
    tft.setCursor(0, 0);
    tft.println("Accelerometer - m/s^2");
    tft.print(a.acceleration.x, 1);
    tft.print(", ");
    tft.print(a.acceleration.y, 1);
    tft.print(", ");
    tft.print(a.acceleration.z, 1);
    tft.println("");
    Serial.print("Acceleration X: ");
    Serial.print(a.acceleration.x);
    Serial.print(", Y: ");
    Serial.print(a.acceleration.y);
    Serial.print(", Z: ");
    Serial.print(a.acceleration.z);
    Serial.println(" m/s^2");
    delay(500);
    };
    

  /* Print out the values */
   

  Serial.print("Temperature: ");
  Serial.print(temp.temperature);
  Serial.println(" degC");

  Serial.println("");
  
  delay(500);
}