Added fermenterstep with controlled ramp rate

cbpi/controller/fermentation_controller.py

@@ -54,10 +54,7 @@ class FermentationController:
                 for step in fermenter.steps:
                     try:
                         self.logger.info("Stop {}".format(step.name))
-                        try:
                         step.instance.shutdown = True
-                        except:
-                            pass
                         await step.instance.stop()
                     except Exception as e:
                         self.logger.error(e)
@@ -67,10 +64,7 @@ class FermentationController:
             for step in fermenter.steps:
                 try:
                     self.logger.info("Stop {}".format(step.name))
-                    try:
                     step.instance.shutdown = True
-                    except:
-                        pass
                     await step.instance.stop()
                 except Exception as e:
                     self.logger.error(e)

cbpi/extension/FermentationStep/__init__.py

@@ -81,6 +81,7 @@ class FermenterTargetTempStep(CBPiFermentationStep):
         if self.AutoMode == True:
             await self.setAutoMode(False)
         self.cbpi.notify(self.name, self.props.get("Notification","Target Temp reached. Please add malt and klick next to move on."))
+        if self.shutdown == False:
             await self.next(self.fermenter.id)
             return StepResult.DONE
         
@@ -183,7 +184,7 @@ class FermenterStep(CBPiFermentationStep):
         if self.AutoMode == True:
             await self.setAutoMode(False)
         self.cbpi.notify(self.name, 'Step finished', NotificationType.SUCCESS)
-        if self.shutdown != True:
+        if self.shutdown == False:
             await self.next(self.fermenter.id)
             return StepResult.DONE
         
@@ -291,6 +292,119 @@ class FermenterStep(CBPiFermentationStep):
         except Exception as e:
             logging.error("Failed to switch on FermenterLogic {} {}".format(self.fermenter.id, e))
 
+@parameters([Property.Number(label="Temp", configurable=True, description = "Ramp to this temp"),
+             Property.Number(label="RampRate", configurable=True, description = "Ramp x °C/F per  day. Default: 1"),
+             Property.Sensor(label="Sensor"),
+             Property.Text(label="Notification",configurable = True, description = "Text for notification when Temp is reached"),
+             Property.Select(label="AutoMode",options=["Yes","No"], description="Switch Fermenterlogic automatically on and off -> Yes")])
+class FermenterRampTempStep(CBPiFermentationStep):
+
+    async def NextStep(self, **kwargs):
+        if self.shutdown == False:
+            await self.next(self.fermenter.id)
+            return StepResult.DONE
+        
+    async def on_timer_done(self,timer):
+        self.summary = ""
+        await self.push_update()
+        if self.AutoMode == True:
+            await self.setAutoMode(False)
+        self.cbpi.notify(self.name, self.props.get("Notification","Target Temp reached. Please add malt and klick next to move on."))
+        await self.next(self.fermenter.id)
+        return StepResult.DONE
+        
+
+    async def on_timer_update(self,timer, seconds):
+        await self.push_update()
+
+    async def on_start(self):
+        self.shutdown = False
+        self.AutoMode = True if self.props.get("AutoMode","No") == "Yes" else False
+        self.rate=float(self.props.get("RampRate",1))
+        logging.info(self.rate)
+        self.target_temp = round(float(self.props.get("Temp", 0))*10)/10
+        logging.info(self.target_temp)
+        while self.get_sensor_value(self.props.get("Sensor", None)).get("value") > 900:
+            await asyncio.sleep(1)
+        self.starttemp = self.get_sensor_value(self.props.get("Sensor", None)).get("value")
+
+        self.current_target_temp = self.starttemp
+        if self.fermenter is not None:
+            await self.set_fermenter_target_temp(self.fermenter.id, self.current_target_temp)
+        if self.AutoMode == True:
+            await self.setAutoMode(True)
+        self.summary = "Ramping to {}° with {}° per day".format(self.target_temp,self.rate)
+        if self.fermenter is not None and self.timer is None:
+            self.timer = Timer(1 ,on_update=self.on_timer_update, on_done=self.on_timer_done)
+        await self.push_update()
+
+    async def on_stop(self):
+        await self.timer.stop()
+        self.summary = ""
+        if self.AutoMode == True:
+            await self.setAutoMode(False)
+        await self.push_update()
+
+    async def calc_target_temp(self):
+        delta_time = time.time() - self.starttime
+        current_target_temp = round((self.starttemp + delta_time * self.ratesecond)*10)/10
+#        logging.info(current_target_temp)
+        if current_target_temp != self.current_target_temp:
+            self.current_target_temp = current_target_temp
+            await self.set_fermenter_target_temp(self.fermenter.id, self.current_target_temp)
+            #self.fermenter.target_temp = self.current_target_temp
+            await self.push_update()
+
+        pass
+
+    async def run(self): 
+        self.delta_temp = self.target_temp-self.starttemp
+        try:
+            self.deltadays = abs(self.delta_temp / self.rate)
+            self.deltaseconds = self.deltadays * 24 * 60 * 60
+            self.ratesecond = self.delta_temp/self.deltaseconds
+        except Exception as e:
+            logging.info(e)
+        self.starttime=time.time()
+        
+        if self.target_temp >= self.starttemp:
+            logging.info("warmup")
+            while self.running == True:
+                if self.current_target_temp != self.target_temp:
+                    await self.calc_target_temp()
+                sensor_value = self.get_sensor_value(self.props.get("Sensor", None)).get("value")
+                if sensor_value >= self.target_temp and self.timer.is_running is not True:
+                    self.timer.start()
+                    self.timer.is_running = True
+                await asyncio.sleep(1)
+        elif self.target_temp <= self.starttemp:
+            logging.info("Cooldown")
+            while self.running == True:
+                if self.current_target_temp != self.target_temp:
+                    await self.calc_target_temp()
+                sensor_value = self.get_sensor_value(self.props.get("Sensor", None)).get("value")
+                if sensor_value <= self.target_temp and self.timer.is_running is not True:
+                    self.timer.start()
+                    self.timer.is_running = True
+                await asyncio.sleep(1)
+        await self.push_update()
+        return StepResult.DONE
+
+    async def reset(self):
+        self.timer = Timer(1 ,on_update=self.on_timer_update, on_done=self.on_timer_done)
+        self.timer.is_running == False
+
+    async def setAutoMode(self, auto_state):
+        try:
+            if (self.fermenter.instance is None or self.fermenter.instance.state == False) and (auto_state is True):
+                await self.cbpi.fermenter.toggle(self.fermenter.id)
+            elif (self.fermenter.instance.state == True) and (auto_state is False):
+                await self.fermenter.instance.stop()
+            await self.push_update()
+
+        except Exception as e:
+            logging.error("Failed to switch on FermenterLogic {} {}".format(self.fermenter.id, e))
+
 
 def setup(cbpi):
     '''
@@ -303,4 +417,5 @@ def setup(cbpi):
 
     cbpi.plugin.register("FermenterNotificationStep", FermenterNotificationStep)
     cbpi.plugin.register("FermenterTargetTempStep", FermenterTargetTempStep)
+    cbpi.plugin.register("FermenterRampTempStep", FermenterRampTempStep)
     cbpi.plugin.register("FermenterStep", FermenterStep)