Get bank1 start address from the application

[Tony_Wu]

Hello

I am doing a project need to  implement firmware update from the application

and I reference bellow thread, 

https://devzone.nordicsemi.com/f/nordic-q-a/68368/write-firmware-to-bank-1-from-application/280974#280974

I need to write fw to bank1 start address

so I call this API to get bank1 start address

nrf_dfu_bank1_start_addr();

but it return 0x26000, it should be bank0 start address

according to discussion thread, I should config as  SD flash API.

so I add this  at the preprocessor 

BLE_STACK_SUPPORT_REQD

but it is still the same , please give me some advise

[Vidar Berg]

Hello,

Have you generated the bootloader settings with nrfutil (Generating and displaying bootloader settings)?  "bank_0.image_size" should contain the size of your current application image in bytes. The function will just return the bank 0 address if this has not been set.

Function:

uint32_t nrf_dfu_bank1_start_addr(void)
{
    uint32_t bank0_addr = nrf_dfu_bank0_start_addr();
    return ALIGN_TO_PAGE(bank0_addr + s_dfu_settings.bank_0.image_size);
}