- added stirrer

- many other improvements

git-svn-id: http://moon:8086/svn/projects/HendiControl@116 fda53097-d464-4ada-af97-ba876c37ca34

Control/brewpi/utils.py

@@ -6,6 +6,7 @@ class Smoother:
 
 	def process(self, x):
 		self.y = self.b*self.y + self.a*x
+		return self.y
 
 	def get_y(self):
 		return self.y
@@ -15,6 +16,7 @@ class Stable:
 		self.stable_time = stable_count
 		self.count = stable_count
 		self.err_max = err_max
+		self.is_stable = 0
 		self.x = 0
 
 	def process(self, x):
@@ -24,6 +26,9 @@ class Stable:
 		if abs(x - self.x) >= self.err_max:
 			self.count = self.stable_time
 
-		is_stable = (self.count == 0)
+		self.is_stable = (self.count == 0)
 
-		return is_stable
+		return self.is_stable
+
+	def is_stable(self):
+		return self.is_stable