DFRobot ADXL345

Dependencies:   mbed

Files at this revision

API Documentation at this revision

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