#include <Wire.h>  // Include the Wire library for I2C communication
#include <Adafruit_Sensor.h> // Include Adafruit Sensor library
#include <Adafruit_ADXL345_U.h> // Include Adafruit ADXL345 library
        
        // Assign a unique ID to this sensor
        Adafruit_ADXL345_Unified accel = Adafruit_ADXL345_Unified(12345);
        
        // Function to display sensor details
        void displaySensorDetails(void) {
          sensor_t sensor;
          accel.getSensor(&sensor);
          Serial.println("------------------------------------");
          Serial.print("Sensor:       "); Serial.println(sensor.name);
          Serial.print("Driver Ver:   "); Serial.println(sensor.version);
          Serial.print("Unique ID:    "); Serial.println(sensor.sensor_id);
          Serial.print("Max Value:    "); Serial.print(sensor.max_value); Serial.println(" m/s^2");
          Serial.print("Min Value:    "); Serial.print(sensor.min_value); Serial.println(" m/s^2");
          Serial.print("Resolution:   "); Serial.print(sensor.resolution); Serial.println(" m/s^2");  
          Serial.println("------------------------------------");
          Serial.println("");
          delay(500);
        }
        
        // Function to display the data rate of the accelerometer
        void displayDataRate(void) {
          Serial.print("Data Rate:    "); 
          
          // Print the current data rate
          switch(accel.getDataRate()) {
            case ADXL345_DATARATE_3200_HZ:
              Serial.print("3200 "); 
              break;
            case ADXL345_DATARATE_1600_HZ:
              Serial.print("1600 "); 
              break;
            case ADXL345_DATARATE_800_HZ:
              Serial.print("800 "); 
              break;
            case ADXL345_DATARATE_400_HZ:
              Serial.print("400 "); 
              break;
            case ADXL345_DATARATE_200_HZ:
              Serial.print("200 "); 
              break;
            case ADXL345_DATARATE_100_HZ:
              Serial.print("100 "); 
              break;
            case ADXL345_DATARATE_50_HZ:
              Serial.print("50 "); 
              break;
            case ADXL345_DATARATE_25_HZ:
              Serial.print("25 "); 
              break;
            case ADXL345_DATARATE_12_5_HZ:
              Serial.print("12.5 "); 
              break;
            case ADXL345_DATARATE_6_25HZ:
              Serial.print("6.25 "); 
              break;
            case ADXL345_DATARATE_3_13_HZ:
              Serial.print("3.13 "); 
              break;
            case ADXL345_DATARATE_1_56_HZ:
              Serial.print("1.56 "); 
              break;
            case ADXL345_DATARATE_0_78_HZ:
              Serial.print("0.78 "); 
              break;
            case ADXL345_DATARATE_0_39_HZ:
              Serial.print("0.39 "); 
              break;
            case ADXL345_DATARATE_0_20_HZ:
              Serial.print("0.20 "); 
              break;
            case ADXL345_DATARATE_0_10_HZ:
              Serial.print("0.10 "); 
              break;
            default:
              Serial.print("???? "); 
              break;
          }  
          Serial.println(" Hz");  
        }
        
        // Function to display the range of the accelerometer
        void displayRange(void) {
          Serial.print("Range:         +/- "); 
          
          // Print the current range
          switch(accel.getRange()) {
            case ADXL345_RANGE_16_G:
              Serial.print("16 "); 
              break;
            case ADXL345_RANGE_8_G:
              Serial.print("8 "); 
              break;
            case ADXL345_RANGE_4_G:
              Serial.print("4 "); 
              break;
            case ADXL345_RANGE_2_G:
              Serial.print("2 "); 
              break;
            default:
              Serial.print("?? "); 
              break;
          }  
          Serial.println(" g");  
        }
        
        // Setup function runs once when the microcontroller starts
        void setup(void) {
          #ifndef ESP8266
            while (!Serial); // Wait for serial port to connect (for Leonardo/Micro/Zero)
          #endif
          Serial.begin(9600); // Initialize serial communication at 9600 baud rate
          Serial.println("Accelerometer Test"); Serial.println("");
          
          // Initialize the sensor
          if(!accel.begin()) {
            // If there's a problem detecting the ADXL345, check the connections
            Serial.println("Ooops, no ADXL345 detected ... Check your wiring!");
            while(1);
          }
        
          // Set the range to whatever is appropriate for your project
          accel.setRange(ADXL345_RANGE_16_G);
          // accel.setRange(ADXL345_RANGE_8_G);
          // accel.setRange(ADXL345_RANGE_4_G);
          // accel.setRange(ADXL345_RANGE_2_G);
          
          // Display some basic information on this sensor
          displaySensorDetails();
          
          // Display additional settings (outside the scope of sensor_t)
          displayDataRate();
          displayRange();
          Serial.println("");
        }
        
        // Loop function runs continuously after setup
        void loop(void) {
          // Get a new sensor event
          sensors_event_t event; 
          accel.getEvent(&event);
         
          // Display the results (acceleration is measured in m/s^2)
          Serial.print("X: "); Serial.print(event.acceleration.x); Serial.print("  ");
          Serial.print("Y: "); Serial.print(event.acceleration.y); Serial.print("  ");
          Serial.print("Z: "); Serial.print(event.acceleration.z); Serial.print("  ");Serial.println("m/s^2 ");
          delay(500); // Wait for 500 milliseconds before the next loop iteration
        }