Bootloader in SDK v9.0.0

[Cyril Hruscak]

Does the bootloader from SDK v9.0.0 actually work?

When I try to use it (with S130 v1.0 in eclipse/gcc), I get NRF_ERROR_INVALID_PARAM from pstorage_register called in dfu_init (dfu_dual_bank.c). It seems that the parameters are not set correctly.

Did anybody got it working? Or am I missing something?

Thanks, Cyril.

[Vidar Berg]

Hi, are you building the bootloader using the Makefile provided in the SDK, or are you using Eclipse to generate the Makefile?

EDIT: 30/9 : Tried again with bootloader for the s130 stack which worked. Have you done any changes to the example?

Attaching the s130 bootloader compiled with GCC in case you want to test it at your end.

nrf51422_xxac.hex

[Cyril Hruscak]

I forgot to mention, I'm using custom board (nRF51822). I removed the BSP part of the code (buttons, leds), as the board has no buttons. The board uses 32MHz crystal, so this part I had to change also. Apart from this I haven't changed anything. I'm using 2015q2 version of GNU ARM Tools if it could be relevant (SDK references 2015q1).

[Vidar Berg]

Then two main things to look out for when using a custom board:

• If the chip has 32K or 16K of RAM (chip overview). The DK targets the 32K variant, so same code will not run on a 16K part (call stack placed above 16K range).
• If there is an onboard crystal for 32Khz on the custom board, otherwise the internal RC oscillator must be used (What low-frequency clock sources can I use?).

[Cyril Hruscak]

The clock setting must be correct, as another application (using S130 1.0) works just fine. The board is 32K variant (HWID 0x84).