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It has been 2 years now, @RKOUSTM, @ALABSTM Can we get a progress update?

@alambe94 That looks awesome, is it still experimental?

Is this related to https://github.com/STMicroelectronics/STM32CubeG0/issues/31 ?

We also had troubles with I2C slave on F4 when using `HAL_I2C_Slave_Transmit_IT`. Sometimes the slave would not finish the transaction and kill the bus **forever** because it pulls SCL low....

It appears that ST does not react to issues here, so I made a similar post in the forums: https://community.st.com/s/question/0D53W00001jlKwXSAU/stm32mwopenbl-missing-functionality-getchecksum-maybe-more

That makes sense. Basically we need a NOP that is guaranteed to be time consuming.

Example from [Cortex-M0 Devices Generic User Guide](https://developer.arm.com/documentation/dui0497/a/CHDJJGFB): >NOP performs no operation and is not guaranteed to be time consuming. The processor might remove it from the pipeline before it reaches...