CONFIG_FLASH_MAP was assigned the value y, but got the value n. Missing dependencies:
FLASH_HAS_DRIVER_ENABLED

Question

I have the following settings in my prj.conf: 
 
 # Enable the BLE stack with GATT Client configuration
CONFIG_BT=y
CONFIG_BT_CENTRAL=y
CONFIG_BT_SMP=y
CONFIG_BT_GATT_CLIENT=y

# Enable BLE scan
CONFIG_BT_SCAN=y
CONFIG_BT_SCAN_FILTER_ENABLE=y
CONFIG_BT_SCAN_SHORT_NAME_CNT=1
CONFIG_BT_GATT_DM=y

# Enable bonding
CONFIG_NVS=y
CONFIG_SETTINGS=y
CONFIG_BT_SETTINGS=y
CONFIG_FLASH=y
CONFIG_FLASH_PAGE_LAYOUT=y
CONFIG_FLASH_MAP=y

# Config logger
CONFIG_LOG=y

and getting the error 
 
 CONFIG_FLASH_MAP was assigned the value y, but got the value n. Missing dependencies: FLASH_HAS_DRIVER_ENABLED 
 
 My understanding is that FLASH_HAS_DRIVER_ENABLED is not set directly, but by inclusion of some config that assures that flash drivers will be included. 
 
 I have the same flash setting in another project and it is working... 
 
 Using v2.8 SDK and Toolchain. 
 
 Running on nRF52840.

Your input is greatly appreciated!

Edvin · Accepted Answer

Hello, 
 I tried the zephyr\samples\bluetooth\central sample now, and it built without issues (also with your prj.conf file). 
 I got your build log from Marvin (I understand you spoke to him as well). 
 I noticed that it says: 
 --domain bt_central_test at the end of the build command. Do you know why that is there? I have not seen it before. I assume bt_central_test is the name of the application folder (because it told me "valid domains are: central", which is the name of my application folder. 
 Have you tried deleting the build folder and generate it again? 
 Have you tried building from command line using the build command: "west build -b nrf52840dk/nrf52840 -d build" 
 
 If it still doesn't work, I suspect an SDK/toolchain setup issue. How did you set up your SDK and Toolchain? 
 
 Best regards, 
 Edvin

Edvin · Answer

I tend to ignore the "problems" tab. This is because the warnings/problems there are usually not real. I believe it struggles to understand the application context. So I would say that it is absolutely best to rely on the information in the build log. If the build log says that the "CONFIGU_UART_CONSOLE was assigned the value y, but got the value n. Missing dependencies: ...", then it is real, and something you need to look into. 
 
 Best regards, 
 Edvin

CONFIG_FLASH_MAP was assigned the value y, but got the value n. Missing dependencies: FLASH_HAS_DRIVER_ENABLED

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