X-Git-Url: http://nitlanguage.org

diff --git a/contrib/physical_interface_for_mpd_on_rpi/physical_interface_for_mpd_on_rpi.nit b/contrib/physical_interface_for_mpd_on_rpi/physical_interface_for_mpd_on_rpi.nit
index d8b1785..1c73e64 100644
--- a/contrib/physical_interface_for_mpd_on_rpi/physical_interface_for_mpd_on_rpi.nit
+++ b/contrib/physical_interface_for_mpd_on_rpi/physical_interface_for_mpd_on_rpi.nit
@@ -14,10 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# This programs interprets the input of a physical interface thought the
-# GPIO pins of a Raspberry Pi to control an MPD server.
+# Backend to a hardware interface to control an MPD server from a Raspberry Pi
 #
-# It suppot two inputs: a play/pause button and a rotary encoder to adjust
+# It supports two inputs: a play/pause button and a rotary encoder to adjust
 # the volume.
 #
 # The each data output of the volume control are connected to the board
@@ -34,18 +33,18 @@ class PhysicalInterface
 	fun server: String do return "localhost"
 	fun port: Int do return 6600
 
-	var but_play: Switch
-	var but_playlist_a: Switch
+	var but_play: Switch is noinit
+	var but_playlist_a: Switch is noinit
 
-	var vol: RotaryEncoder
+	var vol: RotaryEncoder is noinit
 	var vol_step = 2
 
-	var lcd: HD44780
+	var lcd: HD44780 is noinit
 
-	var lcd_backlight: RPiPin
+	var lcd_backlight: RPiPin is noinit
 	var lcd_backlight_delay = 1000
 
-	var buzzer: Buzzer
+	var buzzer: Buzzer is noinit
 
 	init
 	do