Release V0.1

Dependencies:   mbed

Committer:
dfrobot
Date:
Fri Jul 15 10:16:17 2016 +0000
Revision:
0:133799070ae9
release V0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dfrobot 0:133799070ae9 1 #include"mbed.h"
dfrobot 0:133799070ae9 2
dfrobot 0:133799070ae9 3 #define ADXL345_I2C_READ 0xA7
dfrobot 0:133799070ae9 4 #define ADXL345_I2C_WRITE 0xA6
dfrobot 0:133799070ae9 5 #define ADXL345_I2C_ADDRESS 0x53
dfrobot 0:133799070ae9 6 #define ADXL345_DEVID_REG 0x00
dfrobot 0:133799070ae9 7 #define ADXL345_DATAX0_REG 0x32
dfrobot 0:133799070ae9 8 #define ADXL345_POWER_CTL_REG 0x2D
dfrobot 0:133799070ae9 9 #define MeasurementMode 0x08
dfrobot 0:133799070ae9 10
dfrobot 0:133799070ae9 11 I2C adxl345(PA_10,PA_09);
dfrobot 0:133799070ae9 12 Serial uart0(PA_13,PA_14);
dfrobot 0:133799070ae9 13 //DigitalOut led(LED1);
dfrobot 0:133799070ae9 14 int16_t xyz[3] = {0, 0, 0};
dfrobot 0:133799070ae9 15
dfrobot 0:133799070ae9 16 int main() {
dfrobot 0:133799070ae9 17 char config[2];
dfrobot 0:133799070ae9 18 char data[6];
dfrobot 0:133799070ae9 19 config[0] = ADXL345_DEVID_REG;
dfrobot 0:133799070ae9 20 char output;
dfrobot 0:133799070ae9 21 uart0.baud(9600);
dfrobot 0:133799070ae9 22 adxl345.write( ADXL345_I2C_WRITE , config, 1);
dfrobot 0:133799070ae9 23 adxl345.read( ADXL345_I2C_READ , &output, 1);
dfrobot 0:133799070ae9 24 uart0.printf("ADXL345 device id is 0x%x.\r\n",output);
dfrobot 0:133799070ae9 25 config[0] = ADXL345_POWER_CTL_REG;
dfrobot 0:133799070ae9 26 config[1] = MeasurementMode;
dfrobot 0:133799070ae9 27 adxl345.write( ADXL345_I2C_WRITE, config, 2); //set power
dfrobot 0:133799070ae9 28
dfrobot 0:133799070ae9 29 config[0]=ADXL345_DATAX0_REG;
dfrobot 0:133799070ae9 30 while (1)
dfrobot 0:133799070ae9 31 {
dfrobot 0:133799070ae9 32 adxl345.write( ADXL345_I2C_WRITE, config, 1);
dfrobot 0:133799070ae9 33 adxl345.read( ADXL345_I2C_READ , data, 6);
dfrobot 0:133799070ae9 34 xyz[0]=(int)data[1]<<8|(int)data[0];
dfrobot 0:133799070ae9 35 xyz[1]=(int)data[3]<<8|(int)data[2];
dfrobot 0:133799070ae9 36 xyz[2]=(int)data[5]<<8|(int)data[4];
dfrobot 0:133799070ae9 37 uart0.printf("%6i, %6i, %6i\n", xyz[0], xyz[1], xyz[2]);
dfrobot 0:133799070ae9 38 wait(0.1);
dfrobot 0:133799070ae9 39 }
dfrobot 0:133799070ae9 40 }