ScrollPhat basic binary clock example

examples/scrollphat-binary-clock.rb

@@ -0,0 +1,45 @@
+#!/usr/bin/env ruby
+require 'wiringpi'
+STDOUT.write """ScrollPhat Binary Clock
+
+ScrollPhat will show hour, minute and second in binary across 3 lines.
+
+Press Ctrl+C to exit.
+"""
+class Clock < WiringPi::ScrollPhat
+
+	@@running = false
+
+	def tick
+		time = Time.new
+		x = 0
+		y = 0
+		[time.hour, time.min, time.sec].each do |p|
+			p.to_s(2).rjust(8,'0').split('').each do |d|
+				self.point(x, y, d.to_i)
+				x+=1
+			end
+			y+=2
+			x=0
+		end
+		self.update
+	end
+
+	def go!
+		@@running = true
+		trap("SIGINT") { self.stop! }
+		while @@running
+			self.tick
+			sleep 0.1
+		end
+	end
+
+	def stop!
+		STDOUT.write "\nGoodbye!\n"
+		@@running = false
+	end
+
+end
+
+clock = Clock.new
+clock.go!