nRF Toolbox DFU not working with sdk9

[Ignacio Lopez]

Hi,

We have updated our code to the last sdk version (nRF51_SDK_9.0.0_2e23562) and we cannot upload the application code anymore with the nRF Toolbox on our iPad. However, we can get it to work with the MCP. If a 0x0104 comand is written on the DFU Control Point the device goes into 'DFUTarg' mode and then it can be updated using the DFU Tab and selecting the application code on the MCP. These are the code and tools we are using:

SDK: nRF51_SDK_9.0.0_2e23562 Softdevice: s110_nrf51_8.0.0_softdevice.hex nRF Toolbox under iOS 9.1 and iPad 3 Master Control Panel 3.9.0.6 Keil uVision: v 5.10.0.0 with the following merge instructions:

mergehex.exe -m .......\components\softdevice\s110\hex\s110_nrf51_8.0.0_softdevice.hex ._build\ble_app_piano.hex -o ._build\ble_app_piano_plus_stack.hex

mergehex.exe -m ._build\ble_app_piano_plus_stack.hex .....\dfu\bootloader\pegleg_3_1\dual_bank_ble_s110\arm4_build\bootloader_pegleg_3_1.hex -o ._build\ble_app_piano_plus_stack_plus_bootloader.hex

The main code implements the standard DFU service and (ble_dfu.c) and the handler files (bootloader_util.c and dfu_app_handler.c). Also we are using the standard bootloader and we have only modified the GPIOs for the LEDs to match with our board.

On the nRF Toolbox I select the fiole and the file type. Then select the device and it does connect to the iPad. Once the device is selected, I can't tap the 'Upload' button (it appears grey rather than blue). I have attached a capture image with this issue. IMG_0111.PNG

Any suggestion or follow-up question is welome.

Thanks Nacho

[Ignacio Lopez]

I've got iPad 3 with iOs 9.1 and nRF Toolbox v 2.4. I am quite confused now. Any other test I could perform. Just a clarification, I am trying to enter the DFU mode using the DFU service (sending 0x0104 to the DFU Control Point) rather than using the button.

[Vidar Berg]

Hi, if you only program Softdevice and bootloader, is the device advertising as "Dfutarg"? If so, are you able to upload the image then?

[Ignacio Lopez]

Hi, I can get it to work now onto the pca10028. The pca10028 uses a nRF51422 QFAC. What mods do I have to do into the bootloader code to work in nrF51822 QFAA v3 chip? Thanks

[Vidar Berg]

Ok, assumed you used the DK kit. QFAA has 16K of ram so the linker settings need to be modified:

IRAM1: 0x20002c00 size: 1380
IRAM2: 0x20003F80 size: 80

Also, if you don't have an external crystal for the LF clock you need to change the clock source -> what-low-frequency-clock-sources-can-i-use