FXOS8700CQ class modified for el17yfk
FXOS8700CQ.h
- Committer:
- eencae
- Date:
- 2017-02-06
- Revision:
- 2:1a98f69712e8
- Parent:
- 1:09311e0a2c64
- Child:
- 3:eedcae2bd4aa
File content as of revision 2:1a98f69712e8:
/** @file FXOS8700CQ.h @ brief FXOS8700CQ Library @author Dr Craig A. Evans @brief (c) University of Leeds, Jan 2017 @code #include "mbed.h" #include "FXOS8700CQ.h" // create object and specifiy pins FXOS8700CQ device(I2C_SDA,I2C_SCL); int main() { // call initialisation method device.init(); while (1) { // poll the sensor and get the values, storing in a struct Data values = device.get_values(); // print each struct member over serial printf("ax = %f ay = %f az = %f | mx = %f my = %f mz = %f\n" ,values.ax, values.ay, values.az ,values.mx, values.my, values.mz); wait(0.5); } } @endcode */ #ifndef FXOS8700CQ_H #define FXOS8700CQ_H #include "mbed.h" // mbed API uses 8-bit addresses so need to left-shift 7-bit addresses by 1 #define FXOS8700CQ_ADDR (0x1D << 1) // for K64F board // values from 13.2 datasheet #define FXOS8700CQ_STATUS 0x00 #define FXOS8700CQ_WHO_AM_I 0x0D #define FXOS8700CQ_XYZ_DATA_CFG 0x0E #define FXOS8700CQ_CTRL_REG1 0x2A #define FXOS8700CQ_M_CTRL_REG1 0x5B #define FXOS8700CQ_M_CTRL_REG2 0x5C #define FXOS8700CQ_WHO_AM_I_VAL 0xC7 #define FXOS8700CQ_READ_LEN 13 #define PI 3.14159265359f #define RAD2DEG 57.2957795131f struct Data { float ax; float ay; float az; float mx; float my; float mz; }; class FXOS8700CQ { public: FXOS8700CQ(PinName sda, PinName scl); ~FXOS8700CQ(); void init(); Data get_values(); private: I2C* i2c; void send_byte_to_reg(char byte,char reg); char read_byte_from_reg(char reg); void read_bytes_from_reg(char reg,int number_of_bytes,char bytes[]); }; #endif