Air Mouse Project

Dependents:   P4_IMU

Fork of ADXL345_I2C by Peter Swanson

Committer:
peterswanson87
Date:
Thu May 12 01:19:36 2011 +0000
Revision:
1:d9412b56f98a
Parent:
0:d0adb548714f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
peterswanson87 0:d0adb548714f 1 #include "ADXL345_I2C.h"
peterswanson87 0:d0adb548714f 2
peterswanson87 0:d0adb548714f 3 ADXL345_I2C accelerometer(p28, p27);
peterswanson87 0:d0adb548714f 4 Serial pc(USBTX, USBRX);
peterswanson87 0:d0adb548714f 5
peterswanson87 0:d0adb548714f 6 int main() {
peterswanson87 0:d0adb548714f 7 pc.baud(115200);
peterswanson87 0:d0adb548714f 8 int readings[3] = {0, 0, 0};
peterswanson87 0:d0adb548714f 9
peterswanson87 0:d0adb548714f 10 pc.printf("Starting ADXL345 test...\n");
peterswanson87 0:d0adb548714f 11 wait(.001);
peterswanson87 0:d0adb548714f 12 pc.printf("Device ID is: 0x%02x\n", accelerometer.getDeviceID());
peterswanson87 0:d0adb548714f 13 wait(.001);
peterswanson87 0:d0adb548714f 14
peterswanson87 0:d0adb548714f 15 // These are here to test whether any of the initialization fails. It will print the failure
peterswanson87 0:d0adb548714f 16 if (accelerometer.setPowerControl(0x00)){
peterswanson87 0:d0adb548714f 17 pc.printf("didn't intitialize power control\n");
peterswanson87 0:d0adb548714f 18 return 0; }
peterswanson87 0:d0adb548714f 19 //Full resolution, +/-16g, 4mg/LSB.
peterswanson87 0:d0adb548714f 20 wait(.001);
peterswanson87 0:d0adb548714f 21
peterswanson87 0:d0adb548714f 22 if(accelerometer.setDataFormatControl(0x0B)){
peterswanson87 0:d0adb548714f 23 pc.printf("didn't set data format\n");
peterswanson87 0:d0adb548714f 24 return 0; }
peterswanson87 0:d0adb548714f 25 wait(.001);
peterswanson87 0:d0adb548714f 26
peterswanson87 0:d0adb548714f 27 //3.2kHz data rate.
peterswanson87 0:d0adb548714f 28 if(accelerometer.setDataRate(ADXL345_3200HZ)){
peterswanson87 0:d0adb548714f 29 pc.printf("didn't set data rate\n");
peterswanson87 0:d0adb548714f 30 return 0; }
peterswanson87 0:d0adb548714f 31 wait(.001);
peterswanson87 0:d0adb548714f 32
peterswanson87 0:d0adb548714f 33 //Measurement mode.
peterswanson87 0:d0adb548714f 34
peterswanson87 0:d0adb548714f 35 if(accelerometer.setPowerControl(MeasurementMode)) {
peterswanson87 0:d0adb548714f 36 pc.printf("didn't set the power control to measurement\n");
peterswanson87 0:d0adb548714f 37 return 0; }
peterswanson87 0:d0adb548714f 38
peterswanson87 0:d0adb548714f 39 while (1) {
peterswanson87 0:d0adb548714f 40
peterswanson87 0:d0adb548714f 41 wait(0.1);
peterswanson87 0:d0adb548714f 42
peterswanson87 0:d0adb548714f 43 accelerometer.getOutput(readings);
peterswanson87 0:d0adb548714f 44
peterswanson87 0:d0adb548714f 45
peterswanson87 0:d0adb548714f 46 pc.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]);
peterswanson87 0:d0adb548714f 47 }
peterswanson87 0:d0adb548714f 48
peterswanson87 0:d0adb548714f 49 }