From ef0ad69571bf9e8ebe134280b1d584919790f878 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 16 Jul 2011 11:57:42 +0200
Subject: Bugfix: smoothed temperature was initialized without respecting
 HEATER_USES_*

---
 Sprinter/Sprinter.pde | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Sprinter/Sprinter.pde')

diff --git a/Sprinter/Sprinter.pde b/Sprinter/Sprinter.pde
index b31a629..79c66e6 100644
--- a/Sprinter/Sprinter.pde
+++ b/Sprinter/Sprinter.pde
@@ -133,7 +133,7 @@ float tt = 0, bt = 0;
   int temp_iState_max = 100 * PID_INTEGRAL_DRIVE_MAX / PID_IGAIN;
 #endif
 #ifdef SMOOTHING
-  uint32_t nma = SMOOTHFACTOR * analogRead(TEMP_0_PIN);
+  uint32_t nma = 0;
 #endif
 #ifdef WATCHPERIOD
   int watch_raw = -1000;
@@ -1268,6 +1268,7 @@ inline void manage_heater()
     current_raw = read_max6675();
   #endif
   #ifdef SMOOTHING
+  if (!nma) nma = SMOOTHFACTOR * current_raw;
   nma = (nma + current_raw) - (nma / SMOOTHFACTOR);
   current_raw = nma / SMOOTHFACTOR;
   #endif
-- 
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