Unable to Update Bootloader Using DFU

RE: Unable to Update Bootloader Using DFU

bjorn-spockeli — Thu, 27 Oct 2016 05:45:58 GMT

Happy to help :) I would appreciate if you could mark the answer as correct/accepted by clicking the checkmark in the circle to the left of the answer.

RE: Unable to Update Bootloader Using DFU

Cory Mast — Wed, 26 Oct 2016 14:22:06 GMT

After removing the BANK_VALID_APP flag from the image I was attempting to DFU, I was able to successfully DFU the new image as a Distribution Packet. Thank you for your help Bjørn.

RE: Unable to Update Bootloader Using DFU

bjorn-spockeli — Wed, 26 Oct 2016 12:01:06 GMT

You should only set the BANK_VALID_APP flag when you flash the bootloader with a programmer. You need to remove it when you create firmware images, otherwise you add the entire bootloader settings flash page to the image. The maximum bootloader image size is BOOTLOADER_REGION_START - BOOTLOADER_SETTINGS_ADDRESS, i.e. 0x3FC00 - 0x3C000 = 0x3C00.

RE: Unable to Update Bootloader Using DFU

Cory Mast — Wed, 26 Oct 2016 11:49:34 GMT

Yes I have set the BANK_VALID_APP flag.

RE: Unable to Update Bootloader Using DFU

bjorn-spockeli — Wed, 26 Oct 2016 11:42:52 GMT

Have you set the BANK_VALID_APP flag on the bootloader settings page in the bootloader project, i.e.

uint8_t  m_boot_settings[CODE_PAGE_SIZE]    __attribute__((at(BOOTLOADER_SETTINGS_ADDRESS))) __attribute__((used)) = {BANK_APP_VALID};