From d49ec9deab7573abd2f3ada1ad47154e466bcb09 Mon Sep 17 00:00:00 2001
From: Dave C-J <dave@conway-jones.co.uk>
Date: Sat, 19 Oct 2013 15:37:20 +0100
Subject: [PATCH] make sunrise/sunset second output ONLY trigger on actual
 transitions and not at startup.

---
 time/79-suncalc.html | 4 ++--
 time/79-suncalc.js   | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/time/79-suncalc.html b/time/79-suncalc.html
index 92082d1d..7e595f86 100644
--- a/time/79-suncalc.html
+++ b/time/79-suncalc.html
@@ -54,8 +54,8 @@
 <script type="text/x-red" data-help-name="sunrise">
     <p>Uses the suncalc module to generate an output at sunrise and sunset based on a specified location.</p>
     <p>Several choices of definition of sunrise and sunset are available, see the <i><a href = "https://github.com/mourner/suncalc" target="_new">suncalc</a></i> module for details.</p>
-    <p>The first output emits a <b>msg.payload</b> of <i>1</i> or <i>0</i> every minute depending if between selected times or not.
-    The second output emits only on the transition between night to day (<i>1</i>) or day to night (<i>0</i>), and also once at the (re)start of the flow.</p>
+    <p>The first output emits a <b>msg.payload</b> of <i>1</i> or <i>0</i> every minute depending if in between selected times or not.
+    The second output emits only on the transition between night to day (<i>-> 1</i>) or day to night (<i>-> 0</i>).</p>
     <p>Also sets <b>msg.topic</b> to <i>sun</i> and <b>msg.moon</b> to the fraction of the moon between 0 and 1.</p>
 </script>
 
diff --git a/time/79-suncalc.js b/time/79-suncalc.js
index e44414d9..383824a3 100644
--- a/time/79-suncalc.js
+++ b/time/79-suncalc.js
@@ -40,6 +40,7 @@ function SunNode(n) {
         var moon = parseInt(SunCalc.getMoonFraction(now)*100)/100;
         msg = { payload:0, topic:"sun", moon:moon };
         if ((e1 > 0) & (e2 < 0)) { msg.payload = 1; }
+        if (oldval == null) { oldval = msg.payload; }
         if (msg.payload != oldval) {
             oldval = msg.payload;
             msg2 = msg;