doc: improve & complete documentation on many sensors

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

src/lcd/ssd1327.h

@@ -145,10 +145,23 @@ typedef enum {
     PAGE          =  2
 } displayAddressingMode;
 
+/**
+ * @brief C++ API for SSD1327 i2c controlled OLED displays
+ *
+ * The [SSD1327](http://garden.seeedstudio.com/images/8/82/SSD1327_datasheet.pdf)
+ * is a 96x96 Dot matrix OLED/PLED segment driver with controller. This
+ * implementation was tested using the
+ * [Grove LED 96×96 Display module]
+ * (http://www.seeedstudio.com/wiki/Grove_-_OLED_Display_1.12%22)
+ * which is an OLED monochrome display
+ *
+ * @snippet oled-1327.cxx Interesting
+ * @image html ssd1327.jpeg
+ */
 class SSD1327 : public I2CLcd {
     public:
         /**
-         * SSD1308 Constructor, calls libmraa initialisation functions
+         * SSD1327 Constructor, calls libmraa initialisation functions
          *
          * @param bus i2c bus to use
          * @param address the slave address the lcd is registered on