Jose Escalona
/
ADXL345
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Fork of
ADXL345
by 
Tyler Weaver
Revision 10:d81793e01ec4, committed 2012-11-06
- Comitter:
- tylerjw
- Date:
- Tue Nov 06 17:36:40 2012 +0000
- Parent:
- 9:cc0260a2404b
- Child:
- 11:c0fe48a352ca
- Commit message:
- removed config.txt, hardcoded offset, int to int16_t
Changed in this revision
| ADXL345.cpp | Show annotated file Show diff for this revision Revisions of this file |
| ADXL345.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/ADXL345.cpp Tue Nov 06 16:40:36 2012 +0000
+++ b/ADXL345.cpp Tue Nov 06 17:36:40 2012 +0000
@@ -66,28 +66,19 @@
delete myI2c;
}
-
void ADXL345::init()
{
- setDataRate(ADXL345_6HZ25); // 6.25 Hz
-
+ setDataRate(ADXL345_25HZ);
+ setPowerMode(0); // high power
setDataFormatControl(ADXL345_FULL_RES | ADXL345_2G); // full resolution, right justified, 2g range
-
- LocalFileSystem local("local");
+ setFifoControl(0x00); // bypass mode
+ setPowerControl(0x08); // start measurements
- if(FILE *fp = fopen("/local/config.txt", "r")) { // Open "config.txt" for reading - if it doesn't exist, pass over it
- int8_t calibration_offset[3];
- DigitalOut led(LED1);
- led = 1;
- fscanf(fp, "ADXL345 x:%d,y:%d,z:%d", &calibration_offset[0], &calibration_offset[1], &calibration_offset[2]);
- fclose(fp);
- for(char axis = 0x00; axis < 0x03; axis++)
- setOffset(axis,calibration_offset[axis]);
- led = 0;
- }
+ int8_t calibration_offset[3] = {-5,-4,2}; // calibration offset values
+ for(char axis = 0x00; axis < 0x03; axis++)
+ setOffset(axis,calibration_offset[axis]);
}
-
char ADXL345::SingleByteRead(char address)
{
char tx = address;
@@ -133,7 +124,7 @@
}
-void ADXL345::getOutput(int16_t* readings)
+void ADXL345::getXYZ(int16_t* readings)
{
char buffer[6];
multiByteRead(ADXL345_DATAX0_REG, buffer, 6);
@@ -420,7 +411,7 @@
for(int sample = 0; sample < 100; sample++) {
start_time = t->read();
- getOutput(buffer[sample]);
+ getXYZ(buffer[sample]);
wait(period - (start_time - t->read()));
}
--- a/ADXL345.h Tue Nov 06 16:40:36 2012 +0000
+++ b/ADXL345.h Tue Nov 06 17:36:40 2012 +0000
@@ -163,7 +163,7 @@
* @param Pointer to a buffer to hold the accelerometer value for the
* x-axis, y-axis and z-axis [in that order].
*/
- void getOutput(int16_t* readings);
+ void getXYZ(int16_t* readings);
/**
* Read the device ID register on the device.