Diff: Sensors/Acc/ADXL345.h

Revision:

20:e116e596e540

Parent:

19:40c252b4a792

Child:

26:96a072233d7a

--- a/Sensors/Acc/ADXL345.h	Sat Nov 03 10:48:18 2012 +0000
+++ b/Sensors/Acc/ADXL345.h	Mon Nov 05 09:19:01 2012 +0000
@@ -4,45 +4,38 @@
 #define ADXL345_H
 
 #include "mbed.h"
-#include "I2C_Sensor.h"
-
-#define ADXL345_I2C_ADDRESS         0xA6
-// read or write bytes
-//#define ADXL345_READ    0xA7  
-//#define ADXL345_WRITE   0xA6 
-//#define ADXL345_ADDRESS 0x53
 
 // register addresses
-#define ADXL345_DEVID_REG           0x00
-#define ADXL345_THRESH_TAP_REG      0x1D
-#define ADXL345_OFSX_REG            0x1E
-#define ADXL345_OFSY_REG            0x1F
-#define ADXL345_OFSZ_REG            0x20
-#define ADXL345_DUR_REG             0x21
-#define ADXL345_LATENT_REG          0x22
-#define ADXL345_WINDOW_REG          0x23
-#define ADXL345_THRESH_ACT_REG      0x24
-#define ADXL345_THRESH_INACT_REG    0x25
-#define ADXL345_TIME_INACT_REG      0x26
-#define ADXL345_ACT_INACT_CTL_REG   0x27
-#define ADXL345_THRESH_FF_REG       0x28
-#define ADXL345_TIME_FF_REG         0x29
-#define ADXL345_TAP_AXES_REG        0x2A
-#define ADXL345_ACT_TAP_STATUS_REG  0x2B
-#define ADXL345_BW_RATE_REG         0x2C
-#define ADXL345_POWER_CTL_REG       0x2D
-#define ADXL345_INT_ENABLE_REG      0x2E
-#define ADXL345_INT_MAP_REG         0x2F
-#define ADXL345_INT_SOURCE_REG      0x30
-#define ADXL345_DATA_FORMAT_REG     0x31
-#define ADXL345_DATAX0_REG          0x32
-#define ADXL345_DATAX1_REG          0x33
-#define ADXL345_DATAY0_REG          0x34
-#define ADXL345_DATAY1_REG          0x35
-#define ADXL345_DATAZ0_REG          0x36
-#define ADXL345_DATAZ1_REG          0x37
-#define ADXL345_FIFO_CTL            0x38
-#define ADXL345_FIFO_STATUS         0x39
+#define ADXL345_DEVID_REG          0x00
+#define ADXL345_THRESH_TAP_REG     0x1D
+#define ADXL345_OFSX_REG           0x1E
+#define ADXL345_OFSY_REG           0x1F
+#define ADXL345_OFSZ_REG           0x20
+#define ADXL345_DUR_REG            0x21
+#define ADXL345_LATENT_REG         0x22
+#define ADXL345_WINDOW_REG         0x23
+#define ADXL345_THRESH_ACT_REG     0x24
+#define ADXL345_THRESH_INACT_REG   0x25
+#define ADXL345_TIME_INACT_REG     0x26
+#define ADXL345_ACT_INACT_CTL_REG  0x27
+#define ADXL345_THRESH_FF_REG      0x28
+#define ADXL345_TIME_FF_REG        0x29
+#define ADXL345_TAP_AXES_REG       0x2A
+#define ADXL345_ACT_TAP_STATUS_REG 0x2B
+#define ADXL345_BW_RATE_REG        0x2C
+#define ADXL345_POWER_CTL_REG      0x2D
+#define ADXL345_INT_ENABLE_REG     0x2E
+#define ADXL345_INT_MAP_REG        0x2F
+#define ADXL345_INT_SOURCE_REG     0x30
+#define ADXL345_DATA_FORMAT_REG    0x31
+#define ADXL345_DATAX0_REG         0x32
+#define ADXL345_DATAX1_REG         0x33
+#define ADXL345_DATAY0_REG         0x34
+#define ADXL345_DATAY1_REG         0x35
+#define ADXL345_DATAZ0_REG         0x36
+#define ADXL345_DATAZ1_REG         0x37
+#define ADXL345_FIFO_CTL           0x38
+#define ADXL345_FIFO_STATUS        0x39
 
 // data rate codes
 #define ADXL345_3200HZ      0x0F
@@ -56,6 +49,11 @@
 #define ADXL345_12HZ5       0x07
 #define ADXL345_6HZ25       0x06
 
+// read or write bytes
+#define ADXL345_READ    0xA7  
+#define ADXL345_WRITE   0xA6 
+#define ADXL345_ADDRESS 0x53
+
 //the ADXL345 7-bit address is 0x53 when ALT ADDRESS is low as it is on the sparkfun chip: when ALT ADDRESS is high the address is 0x1D
 //when ALT ADDRESS pin is high:
 //#define ADXL345_READ    0x3B   
@@ -66,17 +64,24 @@
 #define ADXL345_Y           0x01
 #define ADXL345_Z           0x02
 
-#define RAD2DEG         57.295779513082320876798154814105
+#define Rad2Deg         57.295779513082320876798154814105
 
-class ADXL345 : public I2C_Sensor
+typedef char byte;
+
+class ADXL345
 {
     public:
-        ADXL345(PinName sda, PinName scl);  // constructor, uses I2C_Sensor
-        virtual void read();                // read all axis from register to array data
-        float angle[3];                     // where the calculated angles are stored
+        ADXL345(PinName sda, PinName scl); // constructor, uses i2c
+        void read(); // read all axis to array
+        int data[3]; // where the measured data is saved
+        float angle[3]; // where the calculated angles are stored
        
     private:
-        void setDataRate(char rate);        // data rate configuration (not only a reg to write)
+        I2C i2c; // i2c object to communicate
+        void writeReg(byte reg, byte value); // write one single register to sensor
+        byte readReg(byte reg); // read one single register from sensor
+        void readMultiReg(char startAddress, char* ptr_output, int size); // read multiple regs
+        void setDataRate(char rate); // data rate configuration (not only a reg to write)
 };
 
 #endif