nrf52 with MPU9255

[kirt]

Hi ,I am using nrf52 DK with mpu9255.I am using source code given here here.of this link,I have taken  'nrf5-ble-data-ready-interrupts' example .code  builts fine in keil v5 though.I am not getting accel values.

help will be appreciated.

[karthikeyan]

hi,

  did u done all the things as mentioned below. still if you are not getting values what is the error code.

regards

[kirt]

hi,yes i have done all these steps.Code runs without error.Before getting data i need to connect it to device name " MPU BLE" as given in example.I cant see device name "MPU BLE" in nrf connect application.

.

[kirt]

hi,i am using these pins i.e P0.17, P0.19 , P0.21, P0.20 as spi pins as any of GPIO pins can be used for spi/twi

[karthikeyan]

yes you can use any gpio for spi/twi. i have got succeed using twi. the sdk i used is 14.2. so only i mentioned you to try with twi first. for that you no need to do any modification rather than # define mpu 9255 in target menu. if i want to check in spi i need couple of days to do it.

regards

[kirt]

hi,please confirm me with these mentioned pins which i am using for spi to interface with dk board.

[karthikeyan]

hi,

  in the zip file go to pca10056.h file in there they have mentioned the pin numbers like this

check as per your needs

[kirt]

hi,tried with given link ,code shows  errors as cannotopen source input file "app_mpu.h" ," ble_mpu.h", " mpu9255_register_map.h"

shall i include the same file given in here?

[karthikeyan]

hi,

yes you can include it will work

[kirt]

hi

included,

one more error  identifier " mpu_config_t " undefined

[kirt]

hi,can you help on this .with the link you provided i m getting this error  identifier " mpu_config_t " undefined.