Write in flash nrf52832 sdk 11s132 softdevice

[annapalu]

Hi all,

i need to write in flash, and i try to use the example flash write of sdk. It works correctly but when i put it in my code, the writing register ( NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);) failed.

The difference is that in my code i'm using the softdevice, how i can perform the write function in flash?

thanks, -Anna

[emdi]

You can't use those registers when the SoftDevice is present and enabled. I suggest you have a look at the fstorage and fds libraries.

[annapalu]

This my code, and would use one page of flash to write a flag. I try to configuration for my application as:

// Our fstorage configuration.
FS_REGISTER_CFG(fs_config_t flashConfig) =
{
    .p_start_addr = (uint32_t *)0x2FE00,
    .p_end_addr   = (uint32_t *)0x2FE10,
    .callback  = DRV_FLASH_Callback,
    .num_pages = 1,
    
    // We register with the highest priority in order to be assigned
    // the pages with the highest memory address (closest to the bootloader).
    .priority  = 0xFE
};

but when the fs_init is called the start and stop address is different how i expect, and the reason is that in fs_init the end address is end of flash and consider the page allocated calculated the start address...