- redefine activate method

- for task introduced open() conext method

components/actor/heater_hendi.py

@@ -7,7 +7,6 @@ class HeaterHendi(AHeater):
 		AHeater.__init__(self)
 		self.hendi = HendiCtrl(params['port'], params['speed'])
 		self.power_set = self.get_power_min()
-		self.is_active = False
 		self.power_eff = 0
 
 	def get_power_min(self):
@@ -19,21 +18,21 @@ class HeaterHendi(AHeater):
 		return caps['pwr_watts_max']
 
 	def activate(self, enable):
-		self.is_active = enable
-		if not self.hendi.isRemoteEnable():
-			self.hendi.remoteEnable(1)
-
 		if enable:
-			self.hendi.setSwitch(1)
+			self.hendi.remoteEnable(1)
 		else:
-			self.hendi.setSwitch(0)
+			self.hendi.remoteEnable(0)
 
 	def is_activated(self):
-		s = self.hendi.getSwitch()
+		s = self.hendi.isRemoteEnable()
 		return '1' in s
 
 	def process(self):
-		power = self.power_set if self.is_active else 0
+		power = self.power_set
+		if power == 0:
+			self.hendi.setSwitch(0)
+		else:
+			self.hendi.setSwitch(1)
 		self.hendi.setPowerWatts(power)
 		self.power_eff = self.hendi.getPowerWatts()
 
@@ -41,5 +40,4 @@ class HeaterHendi(AHeater):
 		self.power_set = max(self.get_power_min(), min(self.get_power_max(), power))
 
 	def get_power(self):
-		result = self.hendi.getPowerWatts()
-		return result
+		return self.power_eff