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Flash writing is not working

TaronKim
Associate II

‎2024-11-03 10:22 PM

Hello, Flash writing is not working.

When i update firmware, then Writing is working well only one time.

But after this time, result is fail in HAL_FLASH_PROGRAM() 

 

MCU : STM32F446RCT7

TaronKim_0-1730701297775.png

 

 

Thanks.

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2 REPLIES 2
Sarra.S
ST Employee

‎2024-11-04 02:17 AM

Hello @TaronKim, 

Check STM32CubeF4/Projects/STM32446E_EVAL/Examples/FLASH/FLASH_WriteProtection at master · STMicroelectronics/STM32CubeF4 (github.com)

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

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Tesla DeLorean
Guru

‎2024-11-04 02:25 AM

Please use the code pasting tool </>  and not bitmapped screen shots.

Working once suggest you fail to erase the blocks on the second go around.

You don't show enough code to fully convey the context. 

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