From 0da2319c6762a4b756ca2607e67e952fd36d731e Mon Sep 17 00:00:00 2001
From: Tony <tony@think3dprint3d.com>
Date: Mon, 3 Mar 2014 20:32:37 +0000
Subject: [PATCH] Fixed Fan to use correct library and range

---
 Platform.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Platform.h b/Platform.h
index a465873..fc2193e 100644
--- a/Platform.h
+++ b/Platform.h
@@ -551,7 +551,7 @@ class Platform
   uint16_t zProbeReadings[NumZProbeReadingsAveraged];
   int zProbeADValue;
   float zProbeStopHeight;
-  bool zProbeEnable;
+
 // AXES
 
   void InitZProbe();
@@ -936,11 +936,16 @@ inline float Platform::DMix(int8_t heater) const
   return dMix[heater];  
 }
 
+//Changed to be compatible with existing gcode norms
+// M106 S0 = fully off M106 S255 = fully on
 inline void Platform::CoolingFan(float speed)
 {
+	//byte p = (byte)(255.0*fmin(1.0, fmax(0.0, speed))); //this reverts to 0= off, 1 = on if uncommented
+	byte p = (byte)speed;
+	p = 255 - p; //duet v0.6
 	if(coolingFanPin < 0)
 		return;
-	analogWrite(coolingFanPin, (uint8_t)(speed*255.0));
+	analogWriteNonDue(coolingFanPin, p);
 }
 
 //inline void Platform::SetHeatOn(int8_t ho)