RPi:(new)DTU-name,Disco-handler,ext.Error-handling,sun2mqtt

Add disconnect handler for influx and volkszaehler.
Change spec. Informations on ahoy.service and ahoy.yml.example.
Extented Error handling.
Send sun-rise and sun-set information to MQTT.

tools/rpi/ahoy.service

@@ -6,8 +6,7 @@
 #   WorkingDirectory         (absolute path to your private ahoy dir)
 # To change other config parameter, please consult systemd documentation
 #
-# To activate this service, create a link with enable and start the ahoy.service
-# $ mkdir -p $HOME/.config/systemd/user
+# To activate this service, enable and start ahoy.service
 # $ systemctl --user enable $(pwd)/ahoy/tools/rpi/ahoy.service
 # $ systemctl --user status ahoy
 # $ systemctl --user start ahoy

tools/rpi/ahoy.yml.example

@@ -31,7 +31,7 @@ ahoy:
     QoS: 0
     Retain: True
     last_will:
-        topic: hoymiles/114172220003     # defaults to 'hoymiles/{serial}'
+        topic: my_DTU_name     # Name of DTU - default: hoymiles/{DTU-serial}
         payload: "LAST-WILL-MESSAGE: Please check my HOST and Process!"
 
   # Influx2 output
@@ -96,6 +96,7 @@ ahoy:
 
   dtu:
     serial: 99978563001
+    name: my_DTU_name
 
   inverters:
     - name: 'balkon'
@@ -103,14 +104,14 @@ ahoy:
       txpower: 'low'                      # txpower per inverter (min,low,high,max)
       mqtt:
         send_raw_enabled: false           # allow inject debug data via mqtt
-        topic: 'hoymiles/114172221234'    # defaults to '{inverter-name}/{serial}'
+        topic: 'hoymiles/114172220003'    # defaults to '{inverter-name}/{serial}'
       strings:                            # list all available strings
       - s_name: 'String 1 left'           # String 1 name
-        s_maxpower: 395                   # String 1 max power in Wp
+        s_maxpower: 395                   # String 1 max power in inverter
       - s_name: 'String 2 right'          # String 2 name
-        s_maxpower: 400                   # String 2 max power in Wp
+        s_maxpower: 400                   # String 2 max power in inverter
       - s_name: 'String 3 up'             # String 3 name
-        s_maxpower: 405                   # String 3 max power in Wp
+        s_maxpower: 405                   # String 3 max power in inverter
       - s_name: 'String 4 down'           # String 4 name
-        s_maxpower: 410                   # String 4 max power in Wp
+        s_maxpower: 410                   # String 4 max power in inverter
       

tools/rpi/hoymiles/__main__.py

@@ -33,6 +33,12 @@ def signal_handler(sig_num, frame):
   if mqtt_client:
      mqtt_client.disco()
 
+  if influx_client:
+     influx_client.disco()
+
+  if volkszaehler_client:
+     volkszaehler_client.disco()
+
   sys.exit(0)
 
 signal(SIGINT,  signal_handler)   # Interrupt from keyboard (CTRL + C)
@@ -75,7 +81,6 @@ class SunsetHandler:
         else:
             logging.info('Sunset disabled.')
 
-
     def checkWaitForSunrise(self):
         if not self.suntimes:
             return
@@ -94,6 +99,23 @@ class SunsetHandler:
                 time.sleep(time_to_sleep)
                 logging.info (f'Woke up...')
 
+    def sun_status2mqtt(self, dtu_ser, dtu_name):
+        if not mqtt_client:
+            return
+        local_sunrise = self.suntimes.riselocal(datetime.now()).strftime("%d.%m.%YT%H:%M")
+        local_sunset = self.suntimes.setlocal(datetime.now()).strftime("%d.%m.%YT%H:%M")
+        local_zone = self.suntimes.setlocal(datetime.now()).tzinfo._key
+        if self.suntimes:
+            mqtt_client.info2mqtt({'topic' : f'{dtu_name}/{dtu_ser}'}, \
+                         {'dis_night_comm' : 'True', \
+                           'local_sunrise' : local_sunrise, \
+                            'local_sunset' : local_sunset,
+                              'local_zone' : local_zone})
+        else:
+            mqtt_client.sun_info2mqtt({'sun_topic': f'{dtu_name}/{dtu_ser}'}, \
+                                 {'dis_night_comm': 'False'})
+  
+
 def main_loop(ahoy_config):
     """Main loop"""
     inverters = [
@@ -101,7 +123,9 @@ def main_loop(ahoy_config):
             if not inverter.get('disabled', False)]
 
     sunset = SunsetHandler(ahoy_config.get('sunset'))
-    dtu_ser = ahoy_config.get('dtu', {}).get('serial')
+    dtu_ser = ahoy_config.get('dtu', {}).get('serial', None)
+    dtu_name = ahoy_config.get('dtu', {}).get('name', 'hoymiles-dtu')
+    sunset.sun_status2mqtt(dtu_ser, dtu_name)
     loop_interval = ahoy_config.get('interval', 1)
 
     try:
@@ -112,6 +136,11 @@ def main_loop(ahoy_config):
             t_loop_start = time.time()
 
             for inverter in inverters:
+                if not 'name' in inverter:
+                    inverter['name'] = 'hoymiles'
+                if not 'serial' in inverter:
+                   logging.error("No inverter serial number found in ahoy.yml - exit")
+                   sys.exit(999)
                 if hoymiles.HOYMILES_DEBUG_LOGGING:
                     logging.info(f'Poll inverter name={inverter["name"]} ser={inverter["serial"]}')
                 poll_inverter(inverter, dtu_ser, do_init, 3)
@@ -122,8 +151,6 @@ def main_loop(ahoy_config):
                 if time_to_sleep > 0:
                     time.sleep(time_to_sleep)
 
-    except KeyboardInterrupt:
-        sys.exit()
     except Exception as e:
         logging.fatal('Exception catched: %s' % e)
         logging.fatal(traceback.print_exc())
@@ -284,11 +311,11 @@ def init_logging(ahoy_config):
             lvl = logging.ERROR
         elif level == 'FATAL':
             lvl = logging.FATAL
-    if hoymiles.HOYMILES_TRANSACTION_LOGGING and hoymiles.HOYMILES_DEBUG_LOGGING:
+    if hoymiles.HOYMILES_TRANSACTION_LOGGING:
        lvl = logging.DEBUG
-    if not hoymiles.HOYMILES_TRANSACTION_LOGGING and not hoymiles.HOYMILES_DEBUG_LOGGING:
-        lvl = logging.INFO
     logging.basicConfig(filename=fn, format='%(asctime)s %(levelname)s: %(message)s', datefmt='%Y-%m-%d %H:%M:%S', level=lvl)
+    dtu_name = ahoy_config.get('dtu',{}).get('name','hoymiles-dtu')
+    logging.info(f'start logging for {dtu_name} with level: {logging.root.level}')
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description='Ahoy - Hoymiles solar inverter gateway', prog="hoymiles")
@@ -330,14 +357,14 @@ if __name__ == '__main__':
 
     # create MQTT - client object
     mqtt_client = None
-    mqtt_config = ahoy_config.get('mqtt', {})
+    mqtt_config = ahoy_config.get('mqtt', None)
     if mqtt_config and not mqtt_config.get('disabled', False):
        from .outputs import MqttOutputPlugin
        mqtt_client = MqttOutputPlugin(mqtt_config)
 
     # create INFLUX - client object
     influx_client = None
-    influx_config = ahoy_config.get('influxdb', {})
+    influx_config = ahoy_config.get('influxdb', None)
     if influx_config and not influx_config.get('disabled', False):
         from .outputs import InfluxOutputPlugin
         influx_client = InfluxOutputPlugin(

tools/rpi/hoymiles/decoders/__init__.py

@@ -155,6 +155,7 @@ class StatusResponse(Response):
             s_exists = False
             string_id = len(strings)
             string = {}
+            string['name'] = self.inv_strings[string_id]['s_name']
             for key in self.string_keys:
                 prop = f'dc_{key}_{string_id}'
                 if hasattr(self, prop):
@@ -329,7 +330,7 @@ class EventsResponse(UnknownResponse):
 
         self.status = struct.unpack('>H', self.response[:2])[0]
         self.a_text = self.alarm_codes.get(self.status, 'N/A')
-        logging.info (f' Inverter status: {self.a_text} ({self.status})')
+        logging.info (f'Inverter status: {self.a_text} ({self.status})')
 
         chunk_size = 12
         for i_chunk in range(2, len(self.response), chunk_size):
@@ -489,6 +490,8 @@ class Hm300Decode0B(StatusResponse):
         """ String 1 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[0]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 6)[0]/10/self.inv_strings[0]['s_maxpower']*100, 3)
 
     @property
@@ -561,6 +564,8 @@ class Hm600Decode0B(StatusResponse):
         """ String 1 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[0]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 6)[0]/10/self.inv_strings[0]['s_maxpower']*100, 3)
 
     @property
@@ -588,6 +593,8 @@ class Hm600Decode0B(StatusResponse):
         """ String 2 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[1]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 12)[0]/10/self.inv_strings[1]['s_maxpower']*100, 3)
 
     @property
@@ -668,6 +675,8 @@ class Hm1200Decode0B(StatusResponse):
         """ String 1 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[0]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 8)[0]/10/self.inv_strings[0]['s_maxpower']*100, 3)
 
     @property
@@ -695,6 +704,8 @@ class Hm1200Decode0B(StatusResponse):
         """ String 2 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[1]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 10)[0]/10/self.inv_strings[1]['s_maxpower']*100, 3)
 
     @property
@@ -722,6 +733,8 @@ class Hm1200Decode0B(StatusResponse):
         """ String 3 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[2]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 30)[0]/10/self.inv_strings[2]['s_maxpower']*100, 3)
 
     @property
@@ -749,6 +762,8 @@ class Hm1200Decode0B(StatusResponse):
         """ String 4 irratiation in percent """
         if self.inv_strings is None:
           return None
+        if self.inv_strings[3]['s_maxpower'] == 0:
+            return 0.00
         return round(self.unpack('>H', 32)[0]/10/self.inv_strings[3]['s_maxpower']*100, 3)
 
     @property

tools/rpi/hoymiles/outputs.py

@@ -40,6 +40,7 @@ class InfluxOutputPlugin(OutputPluginFactory):
     def __init__(self, url, token, **params):
         """
         Initialize InfluxOutputPlugin
+        https://influxdb-client.readthedocs.io/en/stable/api.html#influxdbclient
 
         The following targets must be present in your InfluxDB. This does not
         automatically create anything for You.
@@ -69,8 +70,12 @@ class InfluxOutputPlugin(OutputPluginFactory):
         self._org = params.get('org', '')
         self._measurement = params.get('measurement', f'inverter,host={socket.gethostname()}')
 
-        client = InfluxDBClient(url, token, bucket=self._bucket)
-        self.api = client.write_api()
+        with InfluxDBClient(url, token, bucket=self._bucket) as self.client:
+             self.api = self.client.write_api()
+
+    def disco(self, **params):
+        self.client.close()          # Shutdown the client
+        return
 
     def store_status(self, response, **params):
         """
@@ -103,6 +108,9 @@ class InfluxOutputPlugin(OutputPluginFactory):
         # InfluxDB requires nanoseconds
         ctime = int(utctime.timestamp() * 1e9)
 
+        if HOYMILES_DEBUG_LOGGING:
+            logging.info(f'InfluxDB: utctime: {utctime}')
+
         # AC Data
         phase_id = 0
         for phase in data['phases']:
@@ -136,6 +144,9 @@ class InfluxOutputPlugin(OutputPluginFactory):
             data_stack.append(f'{measurement},type=YieldToday value={data["yield_today"]/1000:.3f} {ctime}')
         data_stack.append(f'{measurement},type=Efficiency value={data["efficiency"]:.2f} {ctime}')
 
+        if HOYMILES_DEBUG_LOGGING:
+            #logging.debug(f'INFLUX data to DB: {data_stack}')
+            pass
         self.api.write(self._bucket, self._org, data_stack)
 
 class MqttOutputPlugin(OutputPluginFactory):
@@ -197,6 +208,12 @@ class MqttOutputPlugin(OutputPluginFactory):
     def disco(self, **params):
         self.client.loop_stop()    # Stop loop 
         self.client.disconnect()   # disconnect
+        return
+
+    def info2mqtt(self, mqtt_topic, mqtt_data):
+        for mqtt_key in mqtt_data:
+            self.client.publish(f'{mqtt_topic["topic"]}/{mqtt_key}', mqtt_data[mqtt_key], self.qos, self.ret)
+        return
 
     def store_status(self, response, **params):
         """
@@ -210,13 +227,18 @@ class MqttOutputPlugin(OutputPluginFactory):
         """
 
         data = response.__dict__()
+        topic = params.get('topic', None)
+        if not topic:
             topic = f'{data.get("inverter_name", "hoymiles")}/{data.get("inverter_ser", None)}'
 
+        if HOYMILES_DEBUG_LOGGING:
+            logging.info(f'MQTT-topic: {topic} data-type: {type(response)}')
+
         if isinstance(response, StatusResponse):
 
             # Global Head
             if data['time'] is not None:
-               self.client.publish(f'{topic}/time', data['time'].strftime("%d.%m.%y - %H:%M:%S"), self.qos, self.ret)
+               self.client.publish(f'{topic}/time', data['time'].strftime("%d.%m.%YT%H:%M:%S"), self.qos, self.ret)
 
             # AC Data
             phase_id = 0
@@ -234,12 +256,16 @@ class MqttOutputPlugin(OutputPluginFactory):
             string_id = 0
             string_sum_power = 0
             for string in data['strings']:
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/voltage', string['voltage'], self.qos, self.ret)
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/current', string['current'], self.qos, self.ret)
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/power', string['power'], self.qos, self.ret)
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/YieldDay', string['energy_daily'], self.qos, self.ret)
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/YieldTotal', string['energy_total']/1000, self.qos, self.ret)
-                self.client.publish(f'{topic}/emeter-dc/{string_id}/Irradiation', string['irradiation'], self.qos, self.ret)
+                if 'name' in string:
+                    string_name = string['name'].replace(" ","_")
+                else:
+                    string_name = string_id
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/voltage', string['voltage'], self.qos, self.ret)
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/current', string['current'], self.qos, self.ret)
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/power', string['power'], self.qos, self.ret)
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/YieldDay', string['energy_daily'], self.qos, self.ret)
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/YieldTotal', string['energy_total']/1000, self.qos, self.ret)
+                self.client.publish(f'{topic}/emeter-dc/{string_name}/Irradiation', string['irradiation'], self.qos, self.ret)
                 string_id = string_id + 1
                 string_sum_power += string['power']
 
@@ -297,6 +323,9 @@ class VzInverterOutput:
 
         ts = int(round(data['time'].timestamp() * 1000))
 
+        if HOYMILES_DEBUG_LOGGING:
+            logging.info(f'Volkszaehler-Timestamp: {ts}')
+
         # AC Data
         phase_id = 0
         for phase in data['phases']:
@@ -329,6 +358,7 @@ class VzInverterOutput:
         if data['yield_today'] is not None:
             self.try_publish(ts, f'yield_today', data['yield_today'])
         self.try_publish(ts, f'efficiency', data['efficiency'])
+        return
 
     def try_publish(self, ts, ctype, value):
         if not ctype in self.channels:
@@ -340,9 +370,12 @@ class VzInverterOutput:
         url = f'{self.baseurl}/data/{uid}.json?operation=add&ts={ts}&value={value}'
         if uid == None:
             if HOYMILES_DEBUG_LOGGING:
-                logging.warning(f'ctype \"{ctype}\" has no configured uid-value in ahoy.yml')
+                logging.debug(f'ctype \"{ctype}\" has no configured uid-value in ahoy.yml')
             return
 
+        if HOYMILES_DEBUG_LOGGING:
+            logging.debug(f'VZ-url: {url}')
+
         try:
             r = self.session.get(url)
             if r.status_code == 404:
@@ -353,6 +386,7 @@ class VzInverterOutput:
                raise ValueError(f'Transmit result {url}')
         except ConnectionError as e:
             raise ValueError(f'Could not connect VZ-DB {type(e)} {e.keys()}')
+        return
 
 class VolkszaehlerOutputPlugin(OutputPluginFactory):
     def __init__(self, config, **params):
@@ -373,13 +407,17 @@ class VolkszaehlerOutputPlugin(OutputPluginFactory):
             exit(1)
 
         self.session = requests.Session()
-        self.inverters = dict()
 
+        self.inverters = dict()
         for inverterconfig in config.get('inverters', []):
             serial = inverterconfig.get('serial')
             output = VzInverterOutput(inverterconfig, self.session)
             self.inverters[serial] = output
 
+    def disco(self, **params):
+        self.session.close()            # closing the connection
+        return
+
     def store_status(self, response, **params):
         """
         Publish StatusResponse object
@@ -404,3 +442,4 @@ class VolkszaehlerOutputPlugin(OutputPluginFactory):
                 output.store_status(data, self.session)
             except ValueError as e:
                 logging.warning('Could not send data to volkszaehler instance: %s' % e)
+        return