initial import

components/astirrer.py

@@ -0,0 +1,62 @@
+import abc
+import logging
+
+
+class AStirrer:
+	@abc.abstractmethod
+	def name(self):
+		return ""
+
+	def __init__(self, dt):
+		self.dt = dt
+		self.speed = 0
+		self.cycleTime = 1
+		self.dutyCycle = 1
+		self.cycleCounter = 0
+		self.isOn = 1
+
+	def log(self, s):
+		d = {'user': "Stirrer" + "::" + self.name()}
+		logging.info ("{}".format(s), extra=d)
+
+	def process(self):
+		isOn = self.isOn
+		self.cycleCounter += self.dt
+		if self.cycleCounter >= self.cycleTime:
+			self.cycleCounter -= self.cycleTime
+			isOn = 0
+
+		if self.cycleCounter >= (self.cycleTime * (1-self.dutyCycle)):
+			if not isOn:
+				isOn = 1
+
+		if self.isOn != isOn:
+			if isOn:
+				self.onSetSpeed(self.speed)
+			else:
+				self.onSetSpeed(0)
+
+		self.isOn = isOn
+
+	def setSpeed(self, speed):
+		self.speed = speed
+		if self.isOn or self.dutyCycle == 1:
+			self.onSetSpeed(speed)
+
+	def setCycleTime(self, time):
+		self.cycleTime = time
+
+	def setDutyCycle(self, dutyCycle):
+		self.dutyCycle = dutyCycle
+
+	@abc.abstractmethod
+	def getSpeed(self):
+		return None
+
+	@abc.abstractmethod
+	def activate(self):
+		pass
+
+	@abc.abstractmethod
+	def deactivate(self):
+		pass