From 58b3339e79063b1da62ab4d86e7d10e3156b76ec Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Sat, 12 Mar 2016 22:22:21 +0000
Subject: [PATCH] ScrollPhat basic binary clock example

---
 examples/scrollphat-binary-clock.rb | 45 +++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 examples/scrollphat-binary-clock.rb

diff --git a/examples/scrollphat-binary-clock.rb b/examples/scrollphat-binary-clock.rb
new file mode 100755
index 0000000..ad00a5f
--- /dev/null
+++ b/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!