jiang hao
/
adxl345
DFRobot ADXL345
Revision 0:7dd215338a3d, committed 2016-07-15
- Comitter:
- jh_ndm
- Date:
- Fri Jul 15 08:04:19 2016 +0000
- Commit message:
- DFRobot ADXL345
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 7dd215338a3d main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jul 15 08:04:19 2016 +0000 @@ -0,0 +1,40 @@ +#include"mbed.h" + +#define ADXL345_I2C_READ 0xA7 +#define ADXL345_I2C_WRITE 0xA6 +#define ADXL345_I2C_ADDRESS 0x53 +#define ADXL345_DEVID_REG 0x00 +#define ADXL345_DATAX0_REG 0x32 +#define ADXL345_POWER_CTL_REG 0x2D +#define MeasurementMode 0x08 + +I2C adxl345(PA_10,PA_09); +Serial uart0(PA_13,PA_14); +//DigitalOut led(LED1); +int16_t xyz[3] = {0, 0, 0}; + +int main() { + char config[2]; + char data[6]; + config[0] = ADXL345_DEVID_REG; + char output; + uart0.baud(9600); + adxl345.write( ADXL345_I2C_WRITE , config, 1); + adxl345.read( ADXL345_I2C_READ , &output, 1); + uart0.printf("ADXL345 device id is 0x%x.\r\n",output); + config[0] = ADXL345_POWER_CTL_REG; + config[1] = MeasurementMode; + adxl345.write( ADXL345_I2C_WRITE, config, 2); //set power + + config[0]=ADXL345_DATAX0_REG; + while (1) + { + adxl345.write( ADXL345_I2C_WRITE, config, 1); + adxl345.read( ADXL345_I2C_READ , data, 6); + xyz[0]=(int)data[1]<<8|(int)data[0]; + xyz[1]=(int)data[3]<<8|(int)data[2]; + xyz[2]=(int)data[5]<<8|(int)data[4]; + uart0.printf("%6i, %6i, %6i\n", xyz[0], xyz[1], xyz[2]); + wait(0.1); + } +} \ No newline at end of file
diff -r 000000000000 -r 7dd215338a3d mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jul 15 08:04:19 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/082adc85693f \ No newline at end of file