آموزش راه اندازی ماژول شتاب سنج سه محوره ADXL375 با آردوینو

/*this is originaly adafruit_adxl375 library example, 
 * we just modified the code for i2c interface.
 * electropeak.com , Ali Akbar Hosseini
 * adxl375 i2c test, pin connection are as below for i2c protocol 
ADXL375 cs-->Vcc(3.3v),
ADXL375 SDO--->gnd, 
ADXL375 Vs--->vcc-->3.3v,
ADXL375 SCL---<logic level convertor>---Arduino SCL(A5), 
ADXL375 SDA---<logic level convertor>---Arduino SDA(A4)
*/
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_ADXL375.h>
//-----------------------for spi interface, define the spi pins
//#define ADXL375_SCK 13
//#define ADXL375_MISO 12
//#define ADXL375_MOSI 11
//#define ADXL375_CS 10

Adafruit_ADXL375 accel = Adafruit_ADXL375(12345);
/* Uncomment for software SPI */
//Adafruit_ADXL375 accel = Adafruit_ADXL375(ADXL375_SCK, ADXL375_MISO, ADXL375_MOSI, ADXL375_CS, 12345);
/* Uncomment for hardware SPI */
//Adafruit_ADXL375 accel = Adafruit_ADXL375(ADXL375_CS, &SPI, 12345);

void displayDataRate(void)
{
 Serial.print ("Data Rate: ");

 switch(accel.getDataRate())
 {
 case ADXL343_DATARATE_3200_HZ:
 Serial.print ("3200 ");
 break;
 case ADXL343_DATARATE_1600_HZ:
 Serial.print ("1600 ");
 break;
 case ADXL343_DATARATE_800_HZ:
 Serial.print ("800 ");
 break;
 case ADXL343_DATARATE_400_HZ:
 Serial.print ("400 ");
 break;
 case ADXL343_DATARATE_200_HZ:
 Serial.print ("200 ");
 break;
 case ADXL343_DATARATE_100_HZ:
 Serial.print ("100 ");
 break;
 case ADXL343_DATARATE_50_HZ:
 Serial.print ("50 ");
 break;
 case ADXL343_DATARATE_25_HZ:
 Serial.print ("25 ");
 break;
 case ADXL343_DATARATE_12_5_HZ:
 Serial.print ("12.5 ");
 break;
 case ADXL343_DATARATE_6_25HZ:
 Serial.print ("6.25 ");
 break;
 case ADXL343_DATARATE_3_13_HZ:
 Serial.print ("3.13 ");
 break;
 case ADXL343_DATARATE_1_56_HZ:
 Serial.print ("1.56 ");
 break;
 case ADXL343_DATARATE_0_78_HZ:
 Serial.print ("0.78 ");
 break;
 case ADXL343_DATARATE_0_39_HZ:
 Serial.print ("0.39 ");
 break;
 case ADXL343_DATARATE_0_20_HZ:
 Serial.print ("0.20 ");
 break;
 case ADXL343_DATARATE_0_10_HZ:
 Serial.print ("0.10 ");
 break;
 default:
 Serial.print ("???? ");
 break;
 }
 Serial.println(" Hz");
}

void setup(void)
{
 Serial.begin(9600);
 while (!Serial);
 Serial.println("ADXL375 Accelerometer Test"); Serial.println("");

 /* Initialise the sensor */
 while(!accel.begin())
 {
 /* There was a problem detecting the ADXL375 ... check your connections */
 Serial.println("Ooops, no ADXL375 detected ... Check your wiring!");
 //while(1);
 }

 // Range is fixed at +-200g

 /* Display some basic information on this sensor */
 accel.printSensorDetails();
 displayDataRate();
 Serial.println("");
}

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);
}