Buttonless DFU Example broken

[parco]

Hi there,

I know you guys are very busy and I appreciate your quick response on Devzone.

I'd like to make a request for a more polished example of Buttonless DFU using SDK 12.1 with nRF52.

We are nearing production and if there's anything I'd like to get in concrete, it's a reliable way to upgrade firmware in the field.

The current example is not working out of the box, and the documentation doesn't offer a complete start to finish of how to upgrade. For example, what should we do after we send a 0x01 to the characteristic?

Thanks, Paul

[pmeilleur]

I'm interested by the topic and I guess I'm not the only one! Can you please share the developments with the community..?

[Hung Bui]

@Paul: Please create a new case when you have question. This is a pretty old case and we have buttonless supported natively in SDK v14. Please find it here. Make sure you have a look at the Buttonless Secure DFU Service to know how it works.

[Thomas Y]

I tried this in SDK v14 and when the device enter DFU in the bootloader (no bounding) nothing happen while waiting for event.

NRF Connect is stuck at start 0%

0> <info> app: Device is preparing to enter bootloader mode.
 0> <info> app: Device will enter bootloader mode.
 0> <info> app: Power management wants to reset to DFU mode
 0>
 0> <info> app: reset_prepare disconnect from peer
 0> <info> app: reset_prepare app_timer_stop_all
 0> <info> app: reset_prepare ble_conn_params_stop
 0> <info> app: startDFU enter
 0>
 0> <info> app: Inside main
 0> <debug> app: In nrf_bootloader_init
 0> <debug> app: In real nrf_dfu_init
 0> <debug> nrf_dfu_settings: Running
nrf_dfu_settings_init(sd_irq_initialized=false).
 0> <debug> nrf_dfu_flash: Calling
nrf_dfu_flash_init(sd_irq_initialized=false)...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
 0> <debug> app: Initializing the clock.
 0> <debug> app: Enter nrf_dfu_continue
 0> <debug> app: Valid App
 0> <debug> app: In nrf_dfu_enter_check user
 0> <debug> app: enter FDU
 0> <debug> app: Application sent bootloader request
 0> <debug> app: In nrf_dfu_transports_init
 0> <debug> app: num transports: 1
 0> <debug> app: Initializing BLE DFU transport
 0> <debug> app: vector table: 0x00073000
 0> <debug> app: vector table: 0x00073000
 0> <debug> app: Error code - sd_softdevice_vector_table_base_set: 0x00000000
 0> <debug> app: Enabling SoftDevice.
 0> <warning> nrf_sdh_ble: RAM starts at 0x20002830, can be adjusted
to 0x20002180.
 0> <warning> nrf_sdh_ble: RAM size can be adjusted to 0xDE80.
 0> <debug> app: SoftDevice enabled.
 0> <debug> app: nrf_dfu_settings_adv_name_is_valid FALSE
 0> <debug> app: Regular adv name
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: Finished initializing BLE DFU transport
 0> <debug> app: After nrf_dfu_transports_init
 0> <debug> nrf_dfu_flash: Calling
nrf_dfu_flash_init(sd_irq_initialized=true)...
 0> <debug> nrf_dfu_flash: Initializing nrf_fstorage_sd backend.
 0> <debug> app: Waiting for events
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: #### Advertising NO BONDING ####
 0> <debug> app: #### Advertising NO BONDING ####

then switch back to APP

[Hung Bui]

@Thomas: Don't you read my reply right above? Please create a new case.