Hiya, On 1/5/25 4:03 PM, Ivaylo Ivanov wrote: > +#define USI_MODE_NONE 0 > +#define USI_MODE_UART 1 > +#define USI_MODE_SPI 2 > +#define USI_MODE_I2C 3 USI_CONFIG register refers to the protocol selection with USI_I2C, USI_SPI, USI_UART. How about getting rid of the MODE from the name? Cheers, ta
