I'm trying stm32f411 as I2C slave but its not working properly, same code I'm trying in stm32L476RG is working properly. Please suggest the solution why its not working.

Dhiraj Ghodmare · ‎2023-06-06

in bellow I'm attached my code

Foued_KH · ‎2023-06-06

Hello @DGhod.1 ,

Could you please identify which type of error ?

Foued

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Dhiraj Ghodmare · ‎2023-06-06

code is compile and run ok no error exist but not work in stm32f411,

and same code work in stm32L476RG.

I'm observe when I'm enable stretch mode enable in stm32f411 I2C reception is working ok, but in transmission garbage value. I don't know why its happen.

please guide me.

Foued_KH · ‎2023-06-07

Hello

Clock stretching is particularly useful in situations where the slave device might have slower processing capabilities compared to the master or when it needs more time to access external resources such as memory or peripherals.

Foued

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Foued_KH · ‎2023-06-07

Hello @DGhod.1 ,

Foued

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