LIS3DH.h

00001 #ifndef LIS3DH_H
00002 #define LIS3DH_H
00003 
00004 #include "mbed.h"
00005 
00006 // addr
00007 #define WRITE_ADDR 0x30
00008 #define READ_ADDR 0x31
00009 //   LIS3DH ID
00010 #define I_AM_LIS3DH         0x33
00011  
00012 //  Register's definition
00013 #define LIS3DH_STATUS_REG_AUX  0x07
00014 #define LIS3DH_OUT_ADC1_L      0x08
00015 #define LIS3DH_OUT_ADC1_H      0x09
00016 #define LIS3DH_OUT_ADC2_L      0x0a
00017 #define LIS3DH_OUT_ADC2_H      0x0b
00018 #define LIS3DH_OUT_ADC3_L      0x0c
00019 #define LIS3DH_OUT_ADC3_H      0x0d
00020 #define LIS3DH_INT_COUNTER_REG 0x0e
00021 #define LIS3DH_WHO_AM_I        0x0f
00022 #define LIS3DH_TEMP_CFG_REG    0x1f
00023 #define LIS3DH_CTRL_REG1       0x20
00024 #define LIS3DH_CTRL_REG2       0x21
00025 #define LIS3DH_CTRL_REG3       0x22
00026 #define LIS3DH_CTRL_REG4       0x23
00027 #define LIS3DH_CTRL_REG5       0x24
00028 #define LIS3DH_CTRL_REG6       0x25
00029 #define LIS3DH_REFERENCE       0x26
00030 #define LIS3DH_STATUS_REG2     0x27
00031 #define LIS3DH_OUT_X_L         0x28
00032 #define LIS3DH_OUT_X_H         0x29
00033 #define LIS3DH_OUT_Y_L         0x2a
00034 #define LIS3DH_OUT_Y_H         0x2b
00035 #define LIS3DH_OUT_Z_L         0x2c
00036 #define LIS3DH_OUT_Z_H         0x2d
00037 #define LIS3DH_FIFO_CTRL_REG   0x2e
00038 #define LIS3DH_FIFO_SRC_REG    0x2f
00039 #define LIS3DH_INT1_CFG        0x30
00040 #define LIS3DH_INT1_SOURCE     0x31
00041 #define LIS3DH_INT1_THS        0x32
00042 #define LIS3DH_INT1_DURATION   0x33
00043 #define LIS3DH_CLICK_CFG       0x38
00044 #define LIS3DH_CLICK_SRC       0x39
00045 #define LIS3DH_CLICK_THS       0x3a
00046 #define LIS3DH_TIME_LIMIT      0x3b
00047 #define LIS3DH_TIME_LATENCY    0x3c
00048 #define LIS3DH_TIME_WINDOW     0x3d
00049  
00050 // definition for Nomalization
00051 #define LIS3DH_SENSITIVITY_2G  (0.001F)
00052 #define LIS3DH_SENSITIVITY_4G  (0.002F)
00053 #define LIS3DH_SENSITIVITY_8G  (0.004F)
00054 #define LIS3DH_SENSITIVITY_16G (0.012F)
00055 /** Create a LIS3DH instance connected to specified I2C pins with specified address
00056      *
00057      * @param sda I2C-bus SDA pin
00058      * @param scl I2C-bus SCL pin
00059 */
00060 class LIS3DH
00061 {
00062     public: 
00063         LIS3DH(PinName sda, PinName scl );
00064         int start(void);
00065         void read_data(float a[]);
00066 private:
00067     I2C i2c;
00068     char dbf[2],addr;
00069 };
00070 #endif //LIS3DH
00071 /*sample main.cpp code
00072 
00073 #include "mbed.h"
00074 #include "LIS3DH.h"
00075 
00076 LIS3DH I2c(p9,p10); //sda,scl
00077 Serial pc(USBTX,USBRX);
00078 int main(){
00079     int check;
00080     check = I2c.start();
00081     if (check == 1) {
00082         while(1) {
00083             float dt[2];
00084             I2c.read_data(dt);
00085             pc.printf("X=%f __Y=%f __Z=%f \n",dt[0],dt[1],dt[2]);
00086             wait(1);
00087             }
00088         }
00089     }
00090 */