carlosperate . / FXOS8700Q

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FXOS8700Q Class Reference
Public Member Functions | Protected Member Functions

FXOS8700Q Class Reference

FXOS8700Q accelerometer example. More...

#include <FXOS8700Q.h>

Inherits MbedComponent::MotionSensor.

Inherited by FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

Public Member Functions

void readRegs (uint8_t addr, uint8_t *data, uint32_t len) const
 Read a device register.
uint8_t whoAmI (void) const
 Read the ID from a whoAmI register.
virtual void enable (void) const
 Enable the sensor for operation.
virtual void disable (void) const
 disable the sensors operation
virtual uint32_t sampleRate (uint32_t frequency) const
 Set the sensor sample rate.
virtual uint32_t dataReady (void) const
 Tells of new data is ready.
virtual int16_t getX (int16_t &x) const =0
 Get the x data in counts.
virtual float getX (float &x) const =0
 Get the x data in units.
virtual int16_t getY (int16_t &y) const =0
 Get the y data in counts.
virtual float getY (float &y) const =0
 Get the y data in units.
virtual int16_t getZ (int16_t &z) const =0
 Get the z data in counts.
virtual float getZ (float &z) const =0
 Get the z data in units.
virtual void getAxis (motion_data_counts_t &xyz) const =0
 Get the x,y,z data in counts.
virtual void getAxis (motion_data_units_t &xyz) const =0
 Get the x,y,z data in units.

Protected Member Functions

 FXOS8700Q (I2C &i2c, uint8_t addr)
 FXOS8700Q constructor.
 ~FXOS8700Q ()
 FXOS8700Q deconstructor.

Detailed Description

FXOS8700Q accelerometer example. 

    #include "mbed.h"
    #include "FXOS8700Q.h"
    I2C i2c(PTE25, PTE24);
    FXOS8700QAccelerometer acc(i2c, FXOS8700CQ_SLAVE_ADDR1);    // Configured for the FRDM-K64F with onboard sensors
    FXOS8700QMagnetometer mag(i2c, FXOS8700CQ_SLAVE_ADDR1);
    int main(void)
    {
        motion_data_units_t acc_data, mag_data;
        motion_data_counts_t acc_raw, mag_raw;
        float faX, faY, faZ, fmX, fmY, fmZ, tmp_float;
        int16_t raX, raY, raZ, rmX, rmY, rmZ, tmp_int;
        acc.enable();
        mag.enable();
        while (true) {
            // counts based results
            acc.getAxis(acc_raw);
            mag.getAxis(mag_raw);
            acc.getX(raX);
            acc.getY(raY);
            acc.getZ(raZ);
            mag.getX(rmX);
            mag.getY(rmY);
            mag.getZ(rmZ);
            // unit based results
            acc.getAxis(acc_data);
            mag.getAxis(mag_data);
            acc.getX(faX);
            acc.getY(faY);
            acc.getZ(faZ);
            mag.getX(fmX);
            mag.getY(fmY);
            mag.getZ(fmZ);
            wait(0.1f);
        }
    }

FXOS8700Q driver class

Definition at line 86 of file FXOS8700Q.h.

Constructor & Destructor Documentation

FXOS8700Q ( I2C &  i2c,
uint8_t  addr 
) [protected]

FXOS8700Q constructor.

Parameters:
i2ca configured i2c object
addraddr of the I2C peripheral as wired

Definition at line 28 of file FXOS8700Q.cpp.

~FXOS8700Q (  ) [protected]

FXOS8700Q deconstructor.

Definition at line 50 of file FXOS8700Q.cpp.

Member Function Documentation

uint32_t dataReady ( void   ) const [virtual]

Tells of new data is ready.

Returns:
The amount of data samples ready to be read from a device

Implements MotionSensor.

Definition at line 101 of file FXOS8700Q.cpp.

void disable ( void   ) const [virtual]

disable the sensors operation

Implements MotionSensor.

Definition at line 92 of file FXOS8700Q.cpp.

void enable ( void   ) const [virtual]

Enable the sensor for operation.

Implements MotionSensor.

Definition at line 83 of file FXOS8700Q.cpp.

virtual void getAxis ( motion_data_units_t &  xyz ) const [pure virtual, inherited]

Get the x,y,z data in units.

Parameters:
xyzA referene to the variable to put the data in, 0 denotes not used

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual void getAxis ( motion_data_counts_t &  xyz ) const [pure virtual, inherited]

Get the x,y,z data in counts.

Parameters:
xyzA referene to the variable to put the data in, 0 denotes not used

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual int16_t getX ( int16_t &  x ) const [pure virtual, inherited]

Get the x data in counts.

Parameters:
xA referene to the variable to put the data in, 0 denotes not used
Returns:
The x data in counts

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual float getX ( float &  x ) const [pure virtual, inherited]

Get the x data in units.

Parameters:
xA referene to the variable to put the data in, 0 denotes not used
Returns:
The x data in units

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual int16_t getY ( int16_t &  y ) const [pure virtual, inherited]

Get the y data in counts.

Parameters:
yA referene to the variable to put the data in, 0 denotes not used
Returns:
The y data in counts

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual float getY ( float &  y ) const [pure virtual, inherited]

Get the y data in units.

Parameters:
yA referene to the variable to put the data in, 0 denotes not used
Returns:
The y data in units

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual float getZ ( float &  z ) const [pure virtual, inherited]

Get the z data in units.

Parameters:
zA referene to the variable to put the data in, 0 denotes not used
Returns:
The z data in units

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

virtual int16_t getZ ( int16_t &  z ) const [pure virtual, inherited]

Get the z data in counts.

Parameters:
zA referene to the variable to put the data in, 0 denotes not used
Returns:
The z data in counts

Implemented in FXOS8700QAccelerometer, and FXOS8700QMagnetometer.

void readRegs ( uint8_t  addr,
uint8_t *  data,
uint32_t  len 
) const

Read a device register.

Parameters:
addrThe address to read from
dataThe data to read from it
lenThe amount of data to read from it
Returns:
0 if successful, negative number otherwise

Definition at line 56 of file FXOS8700Q.cpp.

uint32_t sampleRate ( uint32_t  frequency ) const [virtual]

Set the sensor sample rate.

Parameters:
frequencyThe desires sample frequency
Returns:
The amount of error in Hz between desired and actual frequency

Implements MotionSensor.

Definition at line 108 of file FXOS8700Q.cpp.

uint8_t whoAmI ( void   ) const

Read the ID from a whoAmI register.

Returns:
The device whoAmI register contents

Definition at line 63 of file FXOS8700Q.cpp.

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