From f7993b536d01957e5e9cfc91af01617d7e48704c Mon Sep 17 00:00:00 2001
From: Nat Lasseter <Redacted>
Date: Thu, 27 Jul 2017 16:44:56 +0100
Subject: Initial commit

---
 README     |  3 +++
 photon.ino | 36 ++++++++++++++++++++++++++++++++++++
 ring.rb    | 14 ++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 README
 create mode 100644 photon.ino
 create mode 100644 ring.rb

diff --git a/README b/README
new file mode 100644
index 0000000..03914a1
--- /dev/null
+++ b/README
@@ -0,0 +1,3 @@
+My entry for the Flashing Light Prize 2017
+
+https://www.youtube.com/watch?v=OtDt_FSoU8c
diff --git a/photon.ino b/photon.ino
new file mode 100644
index 0000000..da1c5a1
--- /dev/null
+++ b/photon.ino
@@ -0,0 +1,36 @@
+#include <MQTT.h>
+
+bool bulb = false;
+
+void callback(char* topic, byte* payload, unsigned int length);
+
+MQTT client("server.flashinglightprize.nathan.uk0.bigv.io", 1883, callback);
+
+void callback(char* topic, byte* payload, unsigned int length) {
+    char p[length + 1];
+    memcpy(p, payload, length);
+    p[length] = NULL;
+
+    if (!strcmp(p, "0")) {
+        bulb = !bulb;
+        if (bulb) {
+            digitalWrite(D0, HIGH);
+        } else {
+            digitalWrite(D0, LOW);
+        }
+    }
+}
+
+
+void setup() {
+    pinMode(D0, OUTPUT);
+    client.connect("bulb");
+    if (client.isConnected()) {
+        client.subscribe("ring/0");
+    }
+}
+
+void loop() {
+    if (client.isConnected())
+        client.loop();
+}
diff --git a/ring.rb b/ring.rb
new file mode 100644
index 0000000..b355075
--- /dev/null
+++ b/ring.rb
@@ -0,0 +1,14 @@
+require "rubygems"
+require "mqtt"
+
+IAM = ARGV.shift
+TO = ARGV.shift
+
+MQTT::Client.connect("server.flashinglightprize.nathan.uk0.bigv.io") do |c|
+  c.get("ring/#{IAM}") do |topic, message|
+    if message == IAM then
+      sleep 0.1
+      c.publish("ring/#{TO}", TO)
+    end
+  end
+end
-- 
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