1.33.10.8 NVMCTRL_RegionUnlock Function

C

The prototype of NVMCTRL_RegionUnlock() varies based on device family. Refer to the generated header file for the actual prototype to be used.

void NVMCTRL_RegionUnlock (uint32_t address);

void NVMCTRL_RegionUnlock (NVMCTRL_MEMORY_REGION region);

Summary

Unlocks a NVM region.

Description

This function unlocks a region that was locked using the NVMCTRL_RegionLock() function. The address parameter can be any address within the region. Unlocking a region unlocks all pages in the region and makes these pages accessible to write and erase operations.

Precondition

Validate if NVM controller is ready to accept new request by calling NVMCTRL_IsBusy();

Parameters

Returns

None.

Example

// Wait till the NVMCTRL module is available and then un-lock the region containing address 0x30000.

while(NVMCTRL_IsBusy());

NVMCTRL_RegionUnlock(0x00030000);

while(NVMCTRL_IsBusy());

// Wait till the NVMCTRL module is available and then un-lock the application region.

while(NVMCTRL_IsBusy());

NVMCTRL_RegionUnlock(NVMCTRL_MEMORY_REGION_APPLICATION);

while(NVMCTRL_IsBusy());

Remarks

None.