# nRF52840 Dongle NRF52840 board configuration # # Copyright (c) 2018-2023 Nordic Semiconductor ASA # # SPDX-License-Identifier: Apache-2.0 if BOARD_NRF52840DONGLE # To let the nRF5 bootloader load an application, the application # must be linked after Nordic MBR, that is factory-programmed on the board. # Nordic nRF5 bootloader exists outside of the partitions specified in the # DTS file, so we manually override FLASH_LOAD_OFFSET to link the application # correctly, after Nordic MBR. # When building MCUBoot, MCUBoot itself will select USE_DT_CODE_PARTITION # which will make it link into the correct partition specified in DTS file, # the offset is applied here so that the full partition size can be used when # the bootloader Kconfig option has been disabled. config FLASH_LOAD_OFFSET default 0x1000 depends on BOARD_HAS_NRF5_BOOTLOADER && (MCUBOOT || !USE_DT_CODE_PARTITION) if BOARD_SERIAL_BACKEND_CDC_ACM config USB_DEVICE_STACK default y config USB_CDC_ACM default SERIAL config CONSOLE default y config UART_CONSOLE default CONSOLE config USB_DEVICE_INITIALIZE_AT_BOOT default y if !MCUBOOT && CONSOLE config SHELL_BACKEND_SERIAL_CHECK_DTR default SHELL depends on UART_LINE_CTRL config UART_LINE_CTRL default SHELL config USB_DEVICE_REMOTE_WAKEUP default n if LOG # Logger cannot use itself to log choice USB_CDC_ACM_LOG_LEVEL_CHOICE default USB_CDC_ACM_LOG_LEVEL_OFF endchoice # Set USB log level to error only choice USB_DEVICE_LOG_LEVEL_CHOICE default USB_DEVICE_LOG_LEVEL_ERR endchoice # Wait 4000ms at startup for logging config LOG_PROCESS_THREAD_STARTUP_DELAY_MS default 4000 endif # LOG if USB_DEVICE_STACK # Enable UART driver, needed for CDC ACM config SERIAL default y endif # USB_DEVICE_STACK endif # BOARD_SERIAL_BACKEND_CDC_ACM config BT_CTLR default BT endif # BOARD_NRF52840DONGLE