File list (Check if you may need any files):
nrf52_mpu9250_twi\bsp\boards.h
.................\...\bsp.c
.................\...\bsp.h
.................\...\bsp_btn_ble.c
.................\...\bsp_btn_ble.h
.................\...\n5_starterkit.h
.................\...\pca10028.h
.................\...\pca10031.h
.................\...\pca10040.h
.................\components\drivers_nrf\adc\nrf_drv_adc.c
.................\..........\...........\...\nrf_drv_adc.h
.................\..........\...........\ble_flash\ble_flash.c
.................\..........\...........\.........\ble_flash.h
.................\..........\...........\clock\nrf_drv_clock.c
.................\..........\...........\.....\nrf_drv_clock.h
.................\..........\...........\.ommon\nrf_drv_common.c
.................\..........\...........\......\nrf_drv_common.h
.................\..........\...........\...p\nrf_drv_comp.c
.................\..........\...........\....\nrf_drv_comp.h
.................\..........\...........\..nfig\nrf_drv_config.h
.................\..........\...........\......\nrf_drv_config_validation.h
.................\..........\...........\delay\nrf_delay.c
.................\..........\...........\.....\nrf_delay.h
.................\..........\...........\gpiote\nrf_drv_gpiote.c
.................\..........\...........\......\nrf_drv_gpiote.h
.................\..........\...........\hal\nrf_adc.c
.................\..........\...........\...\nrf_adc.h
.................\..........\...........\...\nrf_clock.h
.................\..........\...........\...\nrf_comp.h
.................\..........\...........\...\nrf_ecb.c
.................\..........\...........\...\nrf_ecb.h
.................\..........\...........\...\nrf_egu.h
.................\..........\...........\...\nrf_gpio.h
.................\..........\...........\...\nrf_gpiote.h
.................\..........\...........\...\nrf_i2s.h
.................\..........\...........\...\nrf_lpcomp.h
.................\..........\...........\...\nrf_nvmc.c
.................\..........\...........\...\nrf_nvmc.h
.................\..........\...........\...\nrf_pdm.h
.................\..........\...........\...\nrf_ppi.h
.................\..........\...........\...\nrf_pwm.h
.................\..........\...........\...\nrf_qdec.h
.................\..........\...........\...\nrf_rng.h
.................\..........\...........\...\nrf_rtc.h
.................\..........\...........\...\nrf_saadc.c
.................\..........\...........\...\nrf_saadc.h
.................\..........\...........\...\nrf_spi.h
.................\..........\...........\...\nrf_spim.h
.................\..........\...........\...\nrf_spis.h
.................\..........\...........\...\nrf_temp.h
.................\..........\...........\...\nrf_timer.h
.................\..........\...........\...\nrf_twi.h
.................\..........\...........\...\nrf_twim.h
.................\..........\...........\...\nrf_twis.h
.................\..........\...........\...\nrf_uart.h
.................\..........\...........\...\nrf_uarte.h
.................\..........\...........\...\nrf_wdt.h
.................\..........\...........\i2s\nrf_drv_i2s.c
.................\..........\...........\...\nrf_drv_i2s.h
.................\..........\...........\lpcomp\nrf_drv_lpcomp.c
.................\..........\...........\......\nrf_drv_lpcomp.h
.................\..........\...........\nrf_soc_nosd\nrf_error.h
.................\..........\...........\............\nrf_nvic.c
.................\..........\...........\............\nrf_nvic.h
.................\..........\...........\............\nrf_soc.c
.................\..........\...........\............\nrf_soc.h
.................\..........\...........\pdm\nrf_drv_pdm.c
.................\..........\...........\...\nrf_drv_pdm.h
.................\..........\...........\.pi\nrf_drv_ppi.c
.................\..........\...........\...\nrf_drv_ppi.h
.................\..........\...........\.storage\config\pstorage_platform.h
.................\..........\...........\........\pstorage.c
.................\..........\...........\........\ps