lib: remove useless usage of `is`

[nit.git] / lib / bcm2835.nit

diff --git a/lib/bcm2835.nit b/lib/bcm2835.nit
index dcbd32f..3557073 100644 (file)
--- a/lib/bcm2835.nit
+++ b/lib/bcm2835.nit
@@ -553,3 +553,20 @@ class StepperMotor
                for i in [0..4[ do pins[i].write(bits[i])
        end
 end
+
+class Buzzer
+       var pin: RPiPin
+
+       fun buzz(delay: Float, times: Int)
+       do
+               assert times > 0
+               assert delay > 0.0
+               var delay_i = (delay*1000.0).to_i
+               for i in [0..times[ do
+                       pin.write(true)
+                       delay_i.bcm2835_delay_micros
+                       pin.write(false)
+                       delay_i.bcm2835_delay_micros
+               end
+       end
+end