[nRF51422] Flash write and background scanning

[PW]

Hello. Can I use flash_write example functions (nrf_nvmc_write_byte, nrf_nvmc_page_erase) after open channel on background scanning? Regards, PW.

[John]

I'm not sure what your application is doing, but if the open channel and back ground scanning involves using the softdevice stack, you will need to use radio notifications to time your accesses using those functions. Alternatively you could use the sd_flash functions that will handle the timing for you.

[Susheel Nuguru]

you cannot access NVMC directly with nrf_nvmc functions if you are using the softdevice, as the time needed to perform the flash operation will interface with BLE activity of the softdevice. Like John mentioned you need to use sd_flash** API available in nrf_soc.h.

[PW]

Thanks for quick answer. I'm working with s210 and the first revision of nRF51422 (QFAAC0). SDK is 4.4.2. Maybe it's time to change revision and SDK? :)

[Susheel Nuguru]

It is always better if you can use the latest revision of hardware and SDK. Fewer PANs and fewer bugs.

[PW]

I did some changes and I've got nRF51422 rev.2, SDK6.1.0, S210, SD3.0.0 inside. Is there any example for S210 and sd_flash_.... functions? There are many examples and subjects for other stacks, but not for this one which I use.