Hello,
I'm using a F301K6T6 based board. When communicating over I2C the first RX/TX works fine but the second TX is starting with the second byte and thus sending only n-1 bytes.
While debugging recognized that `HAL_I2C_Slave_Transmit_IT()` is setting `XferCount` correctly but when entering `I2C_Slave_ISR_IT()` the `XferCount` is already decremented by one.
Does any body can help me debug this further? I've already tried to see if any other slave related function is entered before `I2C_Slave_ISR_IT()` and decrements the counter. But it does not seem so.
