HardFault failure call nrf_nvmc_write_word

[guozhong.chen]

HI: It is correct that call the function nrf_nvmc_write_word at nrf51_sdk_v4_4_2 and s110_nrf51822_5.2.1。

void FlashWRPProcess(void)
{
    #define NRF_UICR_RBPCONF_ADDRESS 0x10001004UL

    TRACE_INFO2("NRF_UICR->RBPCONF = %x", NRF_UICR->RBPCONF);
    if(NRF_UICR->RBPCONF != 0)
    {
        nrf_nvmc_write_word(NRF_UICR_RBPCONF_ADDRESS, 0x00000000UL);
    }
}

But now, It is HardFault failure that use nrf51_sdk_v5_2_0 and s110_nrf51822_6.0.0.

why?

[Stefan Birnir Sverrisson]

Hi

NVMC is blocked when softdevice S110 v6.0.0 is enabled. Instead, PSTORAGE module is introduced in v6.0.0, and you should use that instead, see here.