/*
MACHINBLOCK EARTHQUAKE ADVISOR V1.0
*/

#include <LiquidCrystal.h>
#include <Wire.h>
#include <MPU6050.h>

#define minval -5
#define maxval 3

MPU6050 mpu;
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup()

{   lcd.begin(16, 2);
    Serial.begin(115200);
    pinMode(7,OUTPUT);
    pinMode(8,OUTPUT);
    lcd.print(" T E M B L O R ");
    lcd.setCursor(0, 1);
    lcd.print("DETECTOR");
    delay (2000);
    lcd.clear();

  Serial.println("Initialize MPU6050");
  while (!mpu.begin(MPU6050_SCALE_2000DPS, MPU6050_RANGE_2G))

  { Serial.println("Could not find a valid MPU6050 sensor, check wiring!");
    delay(500);}
  mpu.setThreshold(3); 
  // Check settings
  checkSettings();
}

void checkSettings()

{

  Serial.println();
  Serial.print(" * Sleep Mode:        ");
  Serial.println(mpu.getSleepEnabled() ? "Enabled" : "Disabled");
  Serial.print(" * Clock Source:      ");
  switch (mpu.getClockSource())

  { case MPU6050_CLOCK_KEEP_RESET:     Serial.println("Stops the clock and keeps the timing generator in reset"); break;
    case MPU6050_CLOCK_EXTERNAL_19MHZ: Serial.println("PLL with external 19.2MHz reference"); break;
    case MPU6050_CLOCK_EXTERNAL_32KHZ: Serial.println("PLL with external 32.768kHz reference"); break;
    case MPU6050_CLOCK_PLL_ZGYRO:      Serial.println("PLL with Z axis gyroscope reference"); break;
    case MPU6050_CLOCK_PLL_YGYRO:      Serial.println("PLL with Y axis gyroscope reference"); break;
    case MPU6050_CLOCK_PLL_XGYRO:      Serial.println("PLL with X axis gyroscope reference"); break;
    case MPU6050_CLOCK_INTERNAL_8MHZ:  Serial.println("Internal 8MHz oscillator"); break;
  }

  Serial.print(" * Gyroscope:         ");
  switch (mpu.getScale())

  { case MPU6050_SCALE_2000DPS:        Serial.println("2000 dps"); break;
    case MPU6050_SCALE_1000DPS:        Serial.println("1000 dps"); break;
    case MPU6050_SCALE_500DPS:         Serial.println("500 dps"); break;
    case MPU6050_SCALE_250DPS:         Serial.println("250 dps"); break;
  }

  Serial.print(" * Gyroscope offsets: ");
  Serial.print(mpu.getGyroOffsetX());
  Serial.print(" / ");
  Serial.print(mpu.getGyroOffsetY());
  Serial.print(" / ");
  Serial.println(mpu.getGyroOffsetZ());
  Serial.println();
}

void loop()

{   Vector rawGyro = mpu.readRawGyro();
  Vector normGyro = mpu.readNormalizeGyro();
  Serial.print(" Xraw = ");
  Serial.print(rawGyro.XAxis);
  Serial.print(" Yraw = ");
  Serial.print(rawGyro.YAxis);
  Serial.print(" Zraw = ");
  Serial.println(rawGyro.ZAxis); 
if ((normGyro.XAxis > maxval || normGyro.XAxis < minval && normGyro.YAxis > maxval || normGyro.YAxis  < minval && normGyro.ZAxis > maxval || normGyro.ZAxis  < minval))

{ digitalWrite(7,HIGH);
  digitalWrite(8,HIGH);
  delay(300);
  digitalWrite(7,HIGH);
  digitalWrite(8,HIGH);
  delay(300);
  lcd.clear();
  lcd.print(">>> T E M B L O R <<<");
  delay (1000);
  lcd.clear();
}

 else {digitalWrite(7,LOW);
 digitalWrite(8,LOW);}

  Serial.print(" Xnorm = ");
  Serial.print(normGyro.XAxis);
  Serial.print(" Ynorm = ");
  Serial.print(normGyro.YAxis);
  Serial.print(" Znorm = ");
  Serial.println(normGyro.ZAxis);
  delay(10);
}