I am trying to make an I2C slave that returns a fixed number of bytes to master upon being called with a read from the master (7Addr-Bits+1Read-Bit). In Debug-Mode it works, in normal run, it doesn't.I have thrown almost any HAL-functionality out, an...

Dear Community.Short Rant (sorry, need to let off some steam):I wonder, why there is not more questions on I2C-slave here. What started as a "cool, I will use the HAL, greater people than me have written these libs" has now turned out to be my worst ...