+/**
+ * I2C start timeout: for how many milliseconds
+ * the twi_start should try to get an ACK before
+ * returning error.
+ */
+#define CONFIG_I2C_START_TIMEOUT 100
+
+/**
+ * I2C driver can have 2 backends:
+ * I2C_BACKEND_BUILTIN: Use (if present) the builtin i2c hardware.
+ * I2C_BACKEND_BITBANG: Use the emulated bitbang driver.
+ * \see drv/i2c.h for more information.
+ */
+#define CONFIG_I2C_BACKEND I2C_BACKEND_BUILTIN
+
+/// Module logging level definition.
+#define I2C_LOG_LEVEL LOG_LVL_INFO
+
+/// Module logging format.
+#define I2C_LOG_FORMAT LOG_FMT_TERSE
+