FLASH_OB_DisableWRP() function

Disable the write protection of the desired bank1 or bank 2 sectors

Syntax

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Summary

Declaration

Definition

from stm32f4xx_hal_flash_ex.c:102

static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WRPSector, uint32_t Banks);

Implemented in stm32f4xx_hal_flash_ex.c:715

Arguments

Argument

Declared as

Description

WRPSector

uint32_t

specifies the sector(s) to be write protected. This parameter can be one of the following values: @arg WRPSector: A value between OB_WRP_SECTOR_0 and OB_WRP_SECTOR_23 @arg OB_WRP_Sector_All

Banks

uint32_t

Disable write protection on all the sectors for the specific bank This parameter can be one of the following values: @arg FLASH_BANK_1: Bank1 to be erased @arg FLASH_BANK_2: Bank2 to be erased @arg FLASH_BANK_BOTH: Bank1 and Bank2 to be erased

Return value

HAL Status

Notes

When the memory read protection level is selected (RDP level = 1), it is not possible to program or erase the flash sector i if CortexM4 debug features are connected or boot code is executed in RAM, even if nWRPi = 1 Active value of nWRPi bits is inverted when PCROP mode is active (SPRMOD =1). BANK2 starts from OB_WRP_SECTOR_12

Examples

References

from examples

FLASH_OB_DisableWRP() function

Syntax

Arguments

Return value

Notes

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