Aswin Sivakumar / FXAS21002

FXAS21002 library

Dependents:   FRDM-STBC-AGMP01_SensorStream Hexi_Gyro_Example A_Dragonfly_Freescale_Accel_Mag_Gyro_Sensor_AGM01 A_Dragonfly_BlueMix_QuickStart_NXP_Sensor ... more

FXAS21002.cpp@1:b774372b3913, 2015-12-22 (annotated)

Committer:
AswinSivakumar
Date:
Tue Dec 22 00:22:46 2015 +0000
Revision:
1:b774372b3913
Parent:
0:9c9e8aaad4ff
Child:
2:504e7f1bbf11

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


AswinSivakumar

1:b774372b3913


     1

 /* Copyright (c) 2015 NXP Semiconductors. MIT License





AswinSivakumar

0:9c9e8aaad4ff


     2

*





AswinSivakumar

0:9c9e8aaad4ff


     3

* Permission is hereby granted, free of charge, to any person obtaining a copy of this software





AswinSivakumar

0:9c9e8aaad4ff


     4

* and associated documentation files (the "Software"), to deal in the Software without





AswinSivakumar

0:9c9e8aaad4ff


     5

* restriction, including without limitation the rights to use, copy, modify, merge, publish,





AswinSivakumar

0:9c9e8aaad4ff


     6

* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the





AswinSivakumar

0:9c9e8aaad4ff


     7

* Software is furnished to do so, subject to the following conditions:





AswinSivakumar

0:9c9e8aaad4ff


     8

*





AswinSivakumar

0:9c9e8aaad4ff


     9

* The above copyright notice and this permission notice shall be included in all copies or





AswinSivakumar

0:9c9e8aaad4ff


    10

* substantial portions of the Software.





AswinSivakumar

0:9c9e8aaad4ff


    11

*





AswinSivakumar

0:9c9e8aaad4ff


    12

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING





AswinSivakumar

0:9c9e8aaad4ff


    13

* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND





AswinSivakumar

0:9c9e8aaad4ff


    14

* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,





AswinSivakumar

0:9c9e8aaad4ff


    15

* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





AswinSivakumar

0:9c9e8aaad4ff


    16

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.





AswinSivakumar

0:9c9e8aaad4ff


    17

*/





AswinSivakumar

0:9c9e8aaad4ff


    18







AswinSivakumar

0:9c9e8aaad4ff


    19

#include "FXAS21002.h"





AswinSivakumar

0:9c9e8aaad4ff


    20

 #include "mbed.h"





AswinSivakumar

0:9c9e8aaad4ff


    21







AswinSivakumar

0:9c9e8aaad4ff


    22

FXAS21002::FXAS21002(PinName sda, PinName scl) : gyroi2c(sda,scl)





AswinSivakumar

0:9c9e8aaad4ff


    23

 {





AswinSivakumar

0:9c9e8aaad4ff


    24

       





AswinSivakumar

0:9c9e8aaad4ff


    25

 }





AswinSivakumar

0:9c9e8aaad4ff


    26

    





AswinSivakumar

0:9c9e8aaad4ff


    27

 void FXAS21002::gyro_config(void)





AswinSivakumar

0:9c9e8aaad4ff


    28

 {





AswinSivakumar

0:9c9e8aaad4ff


    29

   char d[2];





AswinSivakumar

0:9c9e8aaad4ff


    30

   d[0] = FXAS21002_CTRL_REG1;                       //Puts device in standby mode





AswinSivakumar

0:9c9e8aaad4ff


    31

   d[1] = 0x08;





AswinSivakumar

0:9c9e8aaad4ff


    32

   gyroi2c.write(FXAS21002_I2C_ADDRESS, d,2);   





AswinSivakumar

0:9c9e8aaad4ff


    33

          





AswinSivakumar

0:9c9e8aaad4ff


    34

   





AswinSivakumar

0:9c9e8aaad4ff


    35

   d[0] = FXAS21002_CTRL_REG0;                       //sets FS =+/- 2000 dps





AswinSivakumar

0:9c9e8aaad4ff


    36

   d[1] = 0x00;





AswinSivakumar

0:9c9e8aaad4ff


    37

   gyroi2c.write(FXAS21002_I2C_ADDRESS, d, 2);   





AswinSivakumar

0:9c9e8aaad4ff


    38

           





AswinSivakumar

0:9c9e8aaad4ff


    39

   





AswinSivakumar

0:9c9e8aaad4ff


    40

   d[0] = FXAS21002_CTRL_REG1;                       //Puts device in active mode





AswinSivakumar

0:9c9e8aaad4ff


    41

   d[1] = 0x0A;





AswinSivakumar

0:9c9e8aaad4ff


    42

   gyroi2c.write(FXAS21002_I2C_ADDRESS, d,2);   





AswinSivakumar

0:9c9e8aaad4ff


    43

      





AswinSivakumar

0:9c9e8aaad4ff


    44

 }





AswinSivakumar

0:9c9e8aaad4ff


    45

 





AswinSivakumar

0:9c9e8aaad4ff


    46

 void FXAS21002::acquire_gyro_data_dps(float * g_data)





AswinSivakumar

0:9c9e8aaad4ff


    47

 {





AswinSivakumar

0:9c9e8aaad4ff


    48

  





AswinSivakumar

0:9c9e8aaad4ff


    49

    char data_bytes[7];





AswinSivakumar

0:9c9e8aaad4ff


    50

   gyroi2c.write(FXAS21002_I2C_ADDRESS,FXAS21002_STATUS,1,true);  // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.





AswinSivakumar

0:9c9e8aaad4ff


    51

   gyroi2c.read(FXAS21002_I2C_ADDRESS,data_bytes,7);





AswinSivakumar

0:9c9e8aaad4ff


    52

   





AswinSivakumar

0:9c9e8aaad4ff


    53

   g_data[0] =  (float)((int16_t)((data_bytes[1]*256) + (data_bytes[2]))) * 0.0625;





AswinSivakumar

0:9c9e8aaad4ff


    54

   g_data[1] =  (float)((int16_t)((data_bytes[3]*256) + (data_bytes[4]))) * 0.0625;





AswinSivakumar

0:9c9e8aaad4ff


    55

   g_data[2] =  (float)((int16_t)((data_bytes[5]*256) + (data_bytes[6]))) * 0.0625;





AswinSivakumar

0:9c9e8aaad4ff


    56

   





AswinSivakumar

0:9c9e8aaad4ff


    57

 }





AswinSivakumar

0:9c9e8aaad4ff


    58







AswinSivakumar

0:9c9e8aaad4ff


    59







AswinSivakumar

0:9c9e8aaad4ff


    60

     





AswinSivakumar

0:9c9e8aaad4ff


    61