lib: Update libs to use correctly ascii and code_point

[nit.git] / lib / bcm2835 / bcm2835.nit

diff --git a/lib/bcm2835/bcm2835.nit b/lib/bcm2835/bcm2835.nit
index a7f9d69..48f0ed2 100644 (file)
--- a/lib/bcm2835/bcm2835.nit
+++ b/lib/bcm2835/bcm2835.nit
@@ -14,13 +14,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Services to control the bcm2835 chipset as used in the Raspberry Pi
-# model B revision 1 Uses the C library by Mike McCauley from
-# http://www.airspayce.com/mikem/bcm2835/
+# Services to control the bcm2835 chipset used in the Raspberry Pi
+#
+# Uses the C library by Mike McCauley available at http://www.airspayce.com/mikem/bcm2835/
+#
+# This module targets the model B revision 1, it could be tweaked for other versions.
 module bcm2835
 
-import gpio
-
 in "C Header" `{
        #include <bcm2835.h>
 `}
@@ -31,6 +31,12 @@ redef class Object
        protected fun bcm2835_debug=(v: Bool) `{ bcm2835_set_debug(v); `}
 end
 
+# A physical binary pin
+interface Pin
+       # Set the output of this pin
+       fun write(high: Bool) is abstract
+end
+
 extern class RPiPin `{ RPiGPIOPin `}
        super Pin
 
@@ -436,10 +442,10 @@ class HD44780
                                #write(true, "C0".to_hex)
                                # instead we use the following which may not be portable
 
-                               for s in [count..40[ do write(false, ' '.ascii)
+                               for s in [count..40[ do write(false, ' '.code_point)
                                count = 0
                        else
-                               write(false, c.ascii)
+                               write(false, c.code_point)
                                count += 1
                        end
                end