Tomo Yamanaka / Mbed 2 deprecated 3axis_Acceleration_Sensor_Sample

ADXL345 3-axis Acceleration Sensor sample

Dependencies:   ADXL345_I2C mbed

Fork of ADXL345 by James Allen

About ADXL345

ADXL345 is a 3-axis acceleration sensor and can be controlled by using the I2C.

About sample program

This program outputs the acceleration information of 3-axis to the terminal.
The 3-axis is as follows:
/media/uploads/1050186/adxl345_axis_1.png
In the graph, the acceleration information of 3-axis showes.
/media/uploads/1050186/tilt.png /media/uploads/1050186/adxl345_output_to_graph_1.png

About wiring

SensorGR-PEACH
VDD3.3V
GNDGND
SCLD15
SDAD14

main.cpp

Committer:
1050186
Date:
2016-04-28
Revision:
1:c835cfa8b41c
Parent:
0:75c7bfd01ea0

File content as of revision 1:c835cfa8b41c:

#include "mbed.h"
#include "ADXL345_I2C.h"
 
ADXL345_I2C accelerometer(I2C_SDA, I2C_SCL);
Serial pc(USBTX, USBRX);
 
int main()
{
 
    int readings[3] = {0, 0, 0};
     
    pc.printf("Starting ADXL345 test...\n");
    pc.printf("Device ID is: 0x%02x\n", accelerometer.getDevId());
 
    //Go into standby mode to configure the device.
    accelerometer.setPowerControl(0x00);
 
    //Full resolution, +/-16g, 4mg/LSB.
    accelerometer.setDataFormatControl(0x0B);
     
    //3.2kHz data rate.
    accelerometer.setDataRate(ADXL345_3200HZ);
 
    //Measurement mode.
    accelerometer.setPowerControl(0x08);
 
    while (1) 
    {
     
        wait(0.1);
        
        accelerometer.getOutput(readings);
         
        //13-bit, sign extended values.
        pc.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]);
    }
 
}