board/iot-lab_M3: added ISL29020 interface defs

boards/iot-lab_M3/include/board.h

@@ -30,7 +30,7 @@
 #include "periph_conf.h"
 
 /**
- * Define the nominal CPU core clock in this board
+ * @name Define the nominal CPU core clock in this board
  */
 #define F_CPU               CLOCK_CORECLOCK
 
@@ -44,9 +44,11 @@
 /** @} */
 
 /**
- * Assign the hardware timer
+ * @name Assign the hardware timer
+ * @{
  */
 #define HW_TIMER            TIMER_0
+/** @} */
 
 /**
  * @name Define the interface to the AT86RF231 radio
@@ -59,6 +61,14 @@
 #define AT86RF231_SLEEP     GPIO_14
 /** @} */
 
+/**
+ * @name Define the interface to the ISL29020 light sensor
+ * @{
+ */
+#define ISL29020_I2C        I2C_0
+#define ISL29020_ADDR       0x44
+/** @} */
+
 /**
  * @name LED pin definitions
  * @{