NRF52832 sdk 13.0 Bootloader example not running

[Romain]

Hi,

I'm using the example dfu/bootloader_secure_ble for NRF52832 (PCA10040 board) in nRF SDK 13.0.0 version and on my mobile the "nRF Connect" application.

If I use Keil uVision to compile the bootloader I can see and connect to it before perform a DFU operation.

If I use armgcc (makefile command line) with the same source files (as perform as the given example) I see the target by doing "scan" on my mobile but I can't connect to it.

What is the difference at the compilation between the 2 tools? My problem is the generate executable.

Best regards, Romain

[Hung Bui]

Hi,

You are telling that you can see the advertising packet, but you can't connect. What exactly happened when you tried to connect ? Do you have any log from nRFConnect ? Please make sure you erase bond information on the phone.

I would suggest to use our sniffer and capture a sniffer trace.

[Romain]

Hi,

I can't use nRF Sniffer.

My problem is that when the application received on ble_dfu service the case BLE_DFU_EVT_ENTERING_BOOTLOADER I disable current connection (sd_ble_gap_disconnect then ble_conn_params_stop then pm_peers_delete) then the target enters in bootloader mode. But in bootloader mode the connection failed with the mobile which tries to send new application and the target re-enters in old application.

[Hung Bui]

Do you use bonding between the phone and the device ? Make sure you delete bonding on the phone before you test.

What do you mean by you can't use nRFSniffer ? If you have one extra PCA10040 you can use it as the sniffer.

[Romain]

I don't know if I use bonding between my phone and the device (I use just as default parameter). How do you do to use nRF Sniffer when the v1 has the executable and the v2 update files to use PCA10040?

[Hung Bui]

You read the manual. There is a documentation for the sniffer v2.

If you see the device in the list of Bluetooth device in Bluetooth setting, then they are bonded. You can remove bond information and click the device and select "Forget this device".