Serial DFU Timed Out Issue

[rajis]

Hi

 Development software- Nrf sdk 15.2.0

Computer platform, with versions (Windows/Linux/OSX, ...) : Using windows 7 and Segger IDE

hardware revisions - NRF52840 Development Kit,UART connected to  P0.6 and P0.8

I have tried  Serial DFU in nrf52840 kit With available example under DFU folder .For application Upgrade,i am using hrs-application.zip .

While run nrf util command immediately i got timed out error and My board get resetting. While upgrade board is in DFU mode . Please find the attached Screenshots for your reference.

Please help  me to resolve this.

[rajis]

1. HWFC is disabled in sdkconfig.h

2. UART PINS i have connected with P0.6 and P0.8 for tx and Rx respectively.

3. nrfutil Version 4.0.0 ,SDK Version -15.2

4. nrfutil command screenshot here i have attached while updatiing firmware.

5. Bootloader debug messages also attached for your reference.

Please help me to solve this issue.

Fullscreen serialdfulog.txt Download

 0> <info> app: Inside main
 0> <debug> app: In nrf_bootloader_init
 0> <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> nrf_dfu_settings: Settings OK
 0> <debug> app: Enter nrf_bootloader_fw_activate
 0> <info> app: No firmware to activate.
 0> <debug> app: Enter nrf_dfu_app_is_valid
 0> <debug> app: CRC check of app failed. Return 1
 0> <debug> app: DFU mode requested via button.
 0> <info> nrf_bootloader_wdt: WDT is not enabled
 0> <debug> app: in weak nrf_dfu_init_user
 0> <debug> app: timer_stop (0x20000024)
 0> <debug> app: timer_activate (0x20000024)
 0> <info> app: Entering DFU mode.
 0> <debug> app: Initializing transports (found: 1)
 0> <debug> nrf_dfu_serial_uart: serial_dfu_transport_init()
 0> <debug> nrf_dfu_serial_uart: serial_dfu_transport_init() completed
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> app: Enter main loop
 0> <debug> app: timer_stop (0x20000024)
 0> <debug> app: timer_fire (0x20000024)
 0> <info> app: Inactivity timeout.
 0> <debug> app: Resetting bootloader.
 0> <info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
 0> <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
 0> lid
 0> <debug> app: CRC check of app failed. Return 1
 0> <warning> nrf_dfu_settings: No additional data erased
 0> <info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
 0> <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
 0> <debug> app: Running nrf_bootloader_app_start with address: 0x00001000
 0> <debug> app: Disabling interrupts. NVIC->ICER[0]: 0x0
 0> <debug> app: running irq table set
 0> <debug> app: After running irq table set
 0> <info> app: Inside main
 0> <debug> app: In nrf_bootloader_init
 0> <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> nrf_dfu_settings: Settings OK
 0> <debug> app: Enter nrf_bootloader_fw_activate
 0> <info> app: No firmware to activate.
 0> <debug> app: Enter nrf_dfu_app_is_valid
 0> <debug> app: CRC check of app failed. Return 1
 0> <warning> nrf_dfu_settings: No additional data erased
 0> <info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
 0> <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
 0> <debug> app: Running nrf_bootloader_app_start with address: 0x00001000
 0> <debug> app: Disabling interrupts. NVIC->ICER[0]: 0x0
 0> <debug> app: running irq table set
 0> <debug> app: After running irq table set
 0> <info> app: Inside main
 0> <debug> app: In nrf_bootloader_init
 0> <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> nrf_dfu_settings: Settings OK
 0> <debug> app: Enter nrf_bootloader_fw_activate
 0> <info> app: No firmware to activate.
 0> <debug> app: Enter nrf_dfu_app_is_valid
 0> <debug> app: CRC check of app failed. Return 1
 0> <warning> nrf_dfu_settings: No additional data erased
 0> <info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
 0> <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
 0> <debug> app: Running nrf_bootloader_app_start with address: 0x00001000
 0> <debug> app: Disabling interrupts. NVIC->ICER[0]: 0x0
 0> <debug> app: running irq table set
 0> <debug> app: After running irq table set
 0> <info> app: Inside main
 0> <debug> app: In nrf_bootloader_init
 0> <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> nrf_dfu_settings: Settings OK
 0> <debug> app: Enter nrf_bootloader_fw_activate
 0> <info> app: No firmware to activate.
 0> <debug> app: Enter nrf_dfu_app_is_valid
 0> <debug> app: CRC check of app failed. Return 1
 0> <debug> app: DFU mode requested via button.
 0> <info> nrf_bootloader_wdt: WDT is not enabled
 0> <debug> app: in weak nrf_dfu_init_user
 0> <debug> app: timer_stop (0x20000024)
 0> <debug> app: timer_activate (0x20000024)
 0> <info> app: Entering DFU mode.
 0> <debug> app: Initializing transports (found: 1)
 0> <debug> nrf_dfu_serial_uart: serial_dfu_transport_init()
 0> <debug> nrf_dfu_serial_uart: serial_dfu_transport_init() completed
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> app: Enter main loop

Regards

Raji

[bjorn-spockeli]

Could you try to change the UART pins from P0.06 and P0.07 to pins that are not connected to the interface MCU, e.g. P0.28 and P0.29?