I2C interrupts usage should be the preferred way. This commit
enables them by default in the STM32 I2C driver itself.
Signed-off-by: Armando Visconti <armando.visconti@st.com>
This sample is made to demonstrate use of x-nucleo-ik01a2 shield.
It requires a board with Arduino i2c where it can be plugged on.
The sample has been tested on Nucleo F401RE board.
Signed-off-by: Armando Visconti <armando.visconti@st.com>