prj-lowpower.conf

CONFIG_LOG=n
CONFIG_CONSOLE=n
CONFIG_USE_SEGGER_RTT=n
CONFIG_RTT_CONSOLE=n
CONFIG_NVS_LOG_LEVEL_DBG=n

##CONFIG_LOG_MODE_IMMEDIATE=y

CONFIG_UART_CONSOLE=n
CONFIG_BT=y
CONFIG_BT_SETTINGS=n
CONFIG_BT_PRIVACY=n
CONFIG_BT_GATT_AUTHORIZATION_CUSTOM=y
CONFIG_SPI=n
CONFIG_PWM=n
CONFIG_SERIAL=n
CONFIG_DYNAMIC_INTERRUPTS=n
CONFIG_IRQ_OFFLOAD=n
##CONFIG_THREAD_STACK_INFO=n
CONFIG_THREAD_CUSTOM_DATA=n
CONFIG_FPU=n
CONFIG_PM=n
CONFIG_PM_DEVICE=y
CONFIG_PM_DEVICE_RUNTIME=y
CONFIG_WATCHDOG=y
CONFIG_ADC=y
CONFIG_POWEROFF=y

CONFIG_NEWLIB_LIBC=y
CONFIG_NEWLIB_LIBC_NANO=y
CONFIG_RAM_POWER_DOWN_LIBRARY=y
CONFIG_RAM_POWER_ADJUST_ON_HEAP_RESIZE=y

CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL=y

# Moved to board's <DTS/_defconfig
##CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
##CONFIG_CLOCK_CONTROL_NRF_K32SRC_500PPM=y
##CONFIG_I2C=n
##CONFIG_BOARD_ENABLE_DCDC=y

CONFIG_BT_PERIPHERAL=y

CONFIG_BT_DEBUG_NONE=y
CONFIG_BT_ASSERT=n
CONFIG_BT_DATA_LEN_UPDATE=n
CONFIG_BT_PHY_UPDATE=n
CONFIG_BT_GATT_CACHING=n
CONFIG_BT_GATT_SERVICE_CHANGED=n
CONFIG_BT_GAP_PERIPHERAL_PREF_PARAMS=y
CONFIG_BT_SETTINGS_CCC_LAZY_LOADING=n
##CONFIG_BT_HCI_VS_EXT=y
# Disable Bluetooth controller features not needed
CONFIG_BT_CTLR_PRIVACY=n
CONFIG_BT_CTLR_PHY_2M=n

# Reduce Bluetooth buffers

CONFIG_BT_BUF_EVT_DISCARDABLE_COUNT=1
CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=43
CONFIG_BT_BUF_EVT_RX_COUNT=2
##CONFIG_BT_CONN_TX_MAX=2
CONFIG_BT_L2CAP_TX_BUF_COUNT=2
##CONFIG_BT_CTLR_RX_BUFFERS=2
CONFIG_BT_BUF_ACL_TX_COUNT=3
CONFIG_BT_BUF_ACL_TX_SIZE=27
#CONFIG_BT_BUF_ACL_RX_SIZE=27

CONFIG_BT_RX_STACK_SIZE=1024
CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
CONFIG_BT_HCI_TX_STACK_SIZE=640
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=1024
CONFIG_MAIN_STACK_SIZE=1024
CONFIG_IDLE_STACK_SIZE=128
CONFIG_ISR_STACK_SIZE=1024

CONFIG_FLASH=y
CONFIG_NVS=y
CONFIG_REBOOT=y
CONFIG_MPU_ALLOW_FLASH_WRITE=y
CONFIG_MCUMGR=n
CONFIG_BOOTLOADER_MCUBOOT=n