DFU buttonless with SDK11

[Jorge]

Hi all,

I have a custom board with a nRF51 and a DSP connected to eachother (SPI, UART and I2C) and since I have no connection to the nRF directly or any buttons I need to make upgrades on the nRF via serial DFU. To accomplish this I want to implement the DFU buttonless but I am using the SDK11 and SD130. Is there any example of this using the SDK11?

I always worked with SDK11, and I am not sure if it is better to update my code to work on the SDK12 or check the "dfu_buttonless_example" and try to downgraded it to the SDK11:

Does anyone have a idea what is the better option? Does the example work with the SDK11 without any changes?

[Hung Bui]

Hi Jorge,

It's always suggested to use the latest SDK. But if you want to use SDK v11 , you can find the buttonless example in \examples\ble_peripheral\ble_app_hrs\pca10028\s130_with_dfu

Documentation is on info center as well.

[Jorge]

I read somewhere that there was an example on the SDK11 but I wasn't finding it. I will check this then. Thank you

[Jorge]

This example uses the device manager, Is there any example without this? Since I have started with the bla_app_nus example and it doesn't use the device manager functionality.

[Hung Bui]

If you want to share bond, you need to use device manager. But if you simply want to switch to bootloader from your application, you can just follow what we did in bootloader_start() in dfu_app_handler.c to implement in your application.

[Jorge]

Thank you for the help! I have managed to change the bootloader_start() for our application.

My only problem now is that I don't know where to call it. I use a tool that sends the data over I2C so I think I need to call it from the I2C parser, but I don't know if it is generic command ID/sequence? Is there any example of dfu over hci?