prj.conf

CONFIG_GPIO=y

# Enable the I2C driver
CONFIG_I2C=y

# Incresed stack due to settings API usage
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048

# Avoid BT RX stack overflow
CONFIG_BT_RX_STACK_SIZE=2048

# Maximum of queued outgoing packets
CONFIG_BT_BUF_ACL_TX_COUNT=7

CONFIG_BT=y
CONFIG_BT_DEBUG_LOG=y
# Security manager protocol support for pairing
CONFIG_BT_SMP=y
# used to sign authenticated data
CONFIG_BT_SIGNING=y
# select peripheral role
CONFIG_BT_PERIPHERAL=y
# enable GATT device information service
CONFIG_BT_DIS=n
# number of buffers available for GATT writing
CONFIG_BT_ATT_PREPARE_COUNT=5
# enables local privacy feature support ?
CONFIG_BT_PRIVACY=y
# name that appears when browsing
CONFIG_BT_DEVICE_NAME="Mortar drive"
# https://specificationrefs.bluetooth.com/assigned-values/Appearance%20Values.pdf
# 0x4c0 = generic control device = 1216
CONFIG_BT_DEVICE_APPEARANCE=1216
# disable updating of device name to prevent use of generic name
# enable run-time changing of device name
CONFIG_BT_DEVICE_NAME_DYNAMIC=y
CONFIG_BT_DEVICE_NAME_MAX=65

# n: allow sending notification messages without having notifications enabled
CONFIG_BT_GATT_ENFORCE_SUBSCRIPTION=n  #TODO fix on server side

# When 32k XTAL is unavailable
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=n
CONFIG_CLOCK_CONTROL_NRF_K32SRC_250PPM=y

# USB CDC
# CONFIG_USB_DEVICE_STACK=y
# CONFIG_USB_DEVICE_PRODUCT="Mortar Drive"
# CONFIG_UART_LINE_CTRL=y

# enable console
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y

# NVS storage
CONFIG_FLASH=y
CONFIG_FLASH_PAGE_LAYOUT=y
CONFIG_FLASH_MAP=y
CONFIG_NVS=y

# GPS UART
CONFIG_UART_INTERRUPT_DRIVEN=y