/*Source: https://www.electroschematics.com/pressure-sensor-guide/*/
/*
#include "HX711.h"
#include <Wire.h>
#include <MPU6050.h>

MPU6050 mpu;

HX711 scale;

void setup() {
  Serial.begin(9600);
  Serial.println("HX710B Demo with HX711 Library");
  Serial.println("Initializing the scale");
  Serial.begin(9600);
  Wire.begin();
  mpu.initialize();
  
  
  // Uncomment the following line to calibrate the sensor
  // mpu.calibrateGyro();
  // mpu.calibrateAccel();
  // parameter "gain" is ommited; the default value 128 is used by the library
  // HX711.DOUT   - pin #A1
  // HX711.PD_SCK - pin #A0

 
 scale.begin(A1, A0);}
void loop() {
  int16_t ax, ay, az; // Variables to store acceleration values
  int16_t gx, gy, gz; // Variables to store rotation values
  int16_t temp;      // Variable to store temperature value
  


  Serial.println("Pressure:");
  Serial.println(scale.read());
   mpu.getMotion6(&ax, &ay, &az, &gx, &gy, &gz); // Read acceleration and rotation values
  temp = mpu.getTemperature(); // Read temperature value
  
  // Print the values to Serial Monitor
  Serial.print("Acceleration: ");
  Serial.print("X="); Serial.print(ax); Serial.print(" Y="); Serial.print(ay); Serial.print(" Z="); Serial.print(az);
  Serial.print(" | ");
  
  Serial.print("Rotation: ");
  Serial.print("X="); Serial.print(gx); Serial.print(" Y="); Serial.print(gy); Serial.print(" Z="); Serial.print(gz);
  Serial.print(" | ");
  
  Serial.print("Temperature: ");
  Serial.print(temp / 340.00 + 36.53); // Temperature formula from the datasheet
  Serial.println(" °C");
  
 
  
  delay(1000); // Delay for 1 second before reading the sensor again
  

}
*/
#include <Wire.h>
#include <MPU6050.h>
#include <HX711.h>
#include <SD.h>

MPU6050 mpu;
HX711 scale;

const int MPU6050_SDA_PIN = A4; // Define the SDA pin for MPU6050
const int MPU6050_SCL_PIN = A5; // Define the SCL pin for MPU6050

const int HX711_DOUT_PIN = 1;
const int HX711_SCK_PIN = 0;

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

  Wire.begin();
  mpu.initialize();

  scale.begin(HX711_DOUT_PIN, HX711_SCK_PIN);

  if (SD.begin(10)) { // Pin 10 is CS (Chip Select) pin for SD card module
    Serial.println("SD card initialized.");
  } else {
    Serial.println("SD card initialization failed.");
    return;
  }

  File dataFile = SD.open("data.csv", FILE_WRITE);

  if (dataFile) {
    dataFile.println("Pressure,Acceleration_X,Acceleration_Y,Acceleration_Z,Rotation_X,Rotation_Y,Rotation_Z");
    dataFile.close();
    Serial.println("File created successfully.");
  } else {
    Serial.println("Error opening file.");
  }
}

void loop() {
  int16_t ax, ay, az;
  int16_t gx, gy, gz;
  float pressure;

  mpu.getMotion6(&ax, &ay, &az, &gx, &gy, &gz);
  pressure = scale.get_units();

  File dataFile = SD.open("data.csv", FILE_WRITE);

  if (dataFile) {
    dataFile.print(pressure);
    dataFile.print(",");
    dataFile.print(ax);
    dataFile.print(",");
    dataFile.print(ay);
    dataFile.print(",");
    dataFile.print(az);
    dataFile.print(",");
    dataFile.print(gx);
    dataFile.print(",");
    dataFile.print(gy);
    dataFile.print(",");
    dataFile.println(gz);
    dataFile.close();
    Serial.println("Data logged.");
  } else {
    Serial.println("Error opening file.");
  }

  delay(1000); // Delay for 1 second before logging the next set of data
}