Added pnacl manifest.

[nit.git] / lib / bcm2835.nit

diff --git a/lib/bcm2835.nit b/lib/bcm2835.nit
index dcbd32f..aac7352 100644 (file)
--- a/lib/bcm2835.nit
+++ b/lib/bcm2835.nit
@@ -440,7 +440,7 @@ class HD44780
                clear
                return_home
                var count = 0
-               for c in v do
+               for c in v.chars do
                        if c == '\n' then
                                # FIXME, this should work
                                #write(true, "C0".to_hex)
@@ -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