remove acload postfix, add new files

README.md

@@ -1,2 +1,6 @@
-# dbus-goecharger-acload
+# dbus-goecharger
-Integrate go-eCharger into Victron Energies Venus OS as a acload
+Integrate go-eCharger into Victron Energies Venus OS
+
+# Usefull links
+- https://github.com/goecharger/go-eCharger-API-v1
+- https://github.com/trixing/venus.dbus-twc3

config.ini

@@ -0,0 +1,8 @@
+[DEFAULT]
+AccessType = OnPremise
+SignOfLifeLog = 1
+
+[ONPREMISE]
+Host=192.168.178.97
+Username=
+Password=

dbus-goecharger.py

@@ -0,0 +1,250 @@
+#!/usr/bin/env python
+ 
+# import normal packages
+import platform 
+import logging
+import sys
+import os
+import sys
+if sys.version_info.major == 2:
+    import gobject
+else:
+    from gi.repository import GLib as gobject
+import sys
+import time
+import requests # for http GET
+import configparser # for config/ini file
+ 
+# our own packages from victron
+sys.path.insert(1, os.path.join(os.path.dirname(__file__), '/opt/victronenergy/dbus-systemcalc-py/ext/velib_python'))
+from vedbus import VeDbusService
+
+
+class DbusGoeChargerService:
+  def __init__(self, servicename, paths, productname='go-eCharger', connection='go-eCharger HTTP JSON service'):
+    config = self._getConfig()
+    deviceinstance = int(config['DEFAULT']['Deviceinstance'])
+    
+    self._dbusservice = VeDbusService("{}.http_{:02d}".format(servicename, deviceinstance))
+    self._paths = paths
+    
+    logging.debug("%s /DeviceInstance = %d" % (servicename, deviceinstance))
+    
+    paths_wo_unit = [
+      '/Ac/Frequency',
+      '/Status',
+      '/Mode',
+      '/ChargingTime',
+      '/PCB/Temperature',
+      '/MCU/Temperature',
+      '/History/ChargingCycles',
+      '/History/ConnectorCycles',
+      '/History/Ac/Energy/Forward',
+      '/History/Uptime',
+      '/History/ChargingTime',
+      '/History/Alerts',
+      '/History/AverageStartupTemperature',
+      '/History/AbortedChargingCycles',
+      '/History/ThermalFoldbacks'
+    ]
+    
+    # Create the management objects, as specified in the ccgx dbus-api document
+    self._dbusservice.add_path('/Mgmt/ProcessName', __file__)
+    self._dbusservice.add_path('/Mgmt/ProcessVersion', 'Unkown version, and running on Python ' + platform.python_version())
+    self._dbusservice.add_path('/Mgmt/Connection', connection)
+    
+    # Create the mandatory objects
+    self._dbusservice.add_path('/DeviceInstance', deviceinstance)
+    self._dbusservice.add_path('/ProductId', 0xFFFF) # 
+    self._dbusservice.add_path('/ProductName', productname)
+    self._dbusservice.add_path('/CustomName', productname)    
+    self._dbusservice.add_path('/FirmwareVersion', 0.1)
+    self._dbusservice.add_path('/HardwareVersion', 0)
+    self._dbusservice.add_path('/Connected', 1)
+    self._dbusservice.add_path('/UpdateIndex', 0)
+    
+    # add paths without units
+    for path in paths_wo_unit:
+      self._dbusservice.add_path(path, None)
+    
+    # add path values to dbus
+    for path, settings in self._paths.items():
+      self._dbusservice.add_path(
+        path, settings['initial'], gettextcallback=settings['textformat'], writeable=True, onchangecallback=self._handlechangedvalue)
+
+    # last update
+    self._lastUpdate = 0
+
+    # add _update function 'timer'
+    gobject.timeout_add(250, self._update) # pause 250ms before the next request
+    
+    # add _signOfLife 'timer' to get feedback in log every 5minutes
+    gobject.timeout_add(self._getSignOfLifeInterval()*60*1000, self._signOfLife)
+ 
+  def _getConfig(self):
+    config = configparser.ConfigParser()
+    config.read("%s/config.ini" % (os.path.dirname(os.path.realpath(__file__))))
+    return config;
+ 
+ 
+  def _getSignOfLifeInterval(self):
+    config = self._getConfig()
+    value = config['DEFAULT']['SignOfLifeLog']
+    
+    if not value: 
+        value = 0
+    
+    return int(value)
+  
+  
+  def _getGoeChargerStatusUrl(self):
+    config = self._getConfig()
+    accessType = config['DEFAULT']['AccessType']
+    
+    if accessType == 'OnPremise': 
+        URL = "http://%s/status" % (config['ONPREMISE']['Host'])
+    else:
+        raise ValueError("AccessType %s is not supported" % (config['DEFAULT']['AccessType']))
+    
+    return URL
+    
+ 
+  def _getGoeChargerData(self):
+    URL = self._getGoeChargerStatusUrl()
+    request_data = requests.get(url = URL)
+    
+    # check for response
+    if not request_data:
+        raise ConnectionError("No response from go-eCharger - %s" % (URL))
+    
+    json_data = request_data.json()     
+    
+    # check for Json
+    if not json_data:
+        raise ValueError("Converting response to JSON failed")
+    
+    
+    return json_data
+ 
+ 
+  def _signOfLife(self):
+    logging.info("--- Start: sign of life ---")
+    logging.info("Last _update() call: %s" % (self._lastUpdate))
+    logging.info("Last '/Ac/Power': %s" % (self._dbusservice['/Ac/Power']))
+    logging.info("--- End: sign of life ---")
+    return True
+ 
+  def _update(self):   
+    try:
+       #get data from go-eCharger
+       data = self._getGoeChargerData()
+       
+       config = self._getConfig()
+       
+       #send data to DBus
+       self._dbusservice['/Ac/L1/Power'] = int(data['nrg'][7] * 0.1 * 1000)
+       self._dbusservice['/Ac/L2/Power'] = int(data['nrg'][8] * 0.1 * 1000)
+       self._dbusservice['/Ac/L3/Power'] = int(data['nrg'][9] * 0.1 * 1000)
+       self._dbusservice['/Ac/Power'] = int(data['nrg'][11] * 0.01 * 1000)
+       self._dbusservice['/Ac/Frequency'] = 0
+       self._dbusservice['/Ac/Voltage'] = data['grid_v']
+       self._dbusservice['/Current'] = data['vehicle_current_a']
+       self._dbusservice['/SetCurrent'] = 16  # static for now
+       self._dbusservice['/MaxCurrent'] = 16  # data['vehicle_current_a']
+       # self._dbusservice['/Ac/Energy/Forward'] = float(data['session_energy_wh']) / 1000.0
+       self._dbusservice['/Ac/Energy/Forward'] = float(lt['energy_wh']) / 1000.0
+       self._dbusservice['/ChargingTime'] = data['session_s']
+
+       self._dbusservice['/Ac/Power'] = self._dbusservice['/Ac/' + pvinverter_phase + '/Power']
+       self._dbusservice['/Ac/Energy/Forward'] = self._dbusservice['/Ac/' + pvinverter_phase + '/Energy/Forward']
+       
+       #logging
+       logging.debug("Wallbox Consumption (/Ac/Power): %s" % (self._dbusservice['/Ac/Power']))
+       logging.debug("Wallbox Forward (/Ac/Energy/Forward): %s" % (self._dbusservice['/Ac/Energy/Forward']))
+       logging.debug("---");
+       
+       # increment UpdateIndex - to show that new data is available
+       index = self._dbusservice['/UpdateIndex'] + 1  # increment index
+       if index > 255:   # maximum value of the index
+         index = 0       # overflow from 255 to 0
+       self._dbusservice['/UpdateIndex'] = index
+
+       #update lastupdate vars
+       self._lastUpdate = time.time()              
+    except Exception as e:
+       logging.critical('Error at %s', '_update', exc_info=e)
+       
+    # return true, otherwise add_timeout will be removed from GObject - see docs http://library.isr.ist.utl.pt/docs/pygtk2reference/gobject-functions.html#function-gobject--timeout-add
+    return True
+ 
+  def _handlechangedvalue(self, path, value):
+    logging.debug("someone else updated %s to %s" % (path, value))
+    return True # accept the change
+ 
+
+
+def main():
+  #configure logging
+  logging.basicConfig(      format='%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s',
+                            datefmt='%Y-%m-%d %H:%M:%S',
+                            level=logging.INFO,
+                            handlers=[
+                                logging.FileHandler("%s/current.log" % (os.path.dirname(os.path.realpath(__file__)))),
+                                logging.StreamHandler()
+                            ])
+ 
+  try:
+      logging.info("Start");
+  
+      from dbus.mainloop.glib import DBusGMainLoop
+      # Have a mainloop, so we can send/receive asynchronous calls to and from dbus
+      DBusGMainLoop(set_as_default=True)
+     
+      #formatting 
+      _kwh = lambda p, v: (str(round(v, 2)) + 'KWh')
+      _a = lambda p, v: (str(round(v, 1)) + 'A')
+      _w = lambda p, v: (str(round(v, 1)) + 'W')
+      _v = lambda p, v: (str(round(v, 1)) + 'V')   
+     
+      #start our main-service
+      pvac_output = DbusGoeChargerService(
+        servicename='com.victronenergy.evcharger',
+        paths=[
+          '/Ac/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L1/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L2/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L3/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/Energy/Forward': {'initial': 0, 'textformat': _kwh},
+          
+          '/Ac/Voltage': {'initial': 0, 'textformat': _v},
+          '/Current': {'initial': 0, 'textformat': _a},
+          '/MaxCurrent': {'initial': 0, 'textformat': _a}
+        ],
+        paths={
+          '/Ac/Energy/Forward': {'initial': 0, 'textformat': _kwh},
+          '/Ac/Power': {'initial': 0, 'textformat': _w},
+          
+          '/Ac/Current': {'initial': 0, 'textformat': _a},
+          '/Ac/Voltage': {'initial': 0, 'textformat': _v},
+          
+          '/Ac/L1/Voltage': {'initial': 0, 'textformat': _v},
+          '/Ac/L2/Voltage': {'initial': 0, 'textformat': _v},
+          '/Ac/L3/Voltage': {'initial': 0, 'textformat': _v},
+          '/Ac/L1/Current': {'initial': 0, 'textformat': _a},
+          '/Ac/L2/Current': {'initial': 0, 'textformat': _a},
+          '/Ac/L3/Current': {'initial': 0, 'textformat': _a},
+          '/Ac/L1/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L2/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L3/Power': {'initial': 0, 'textformat': _w},
+          '/Ac/L1/Energy/Forward': {'initial': 0, 'textformat': _kwh},
+          '/Ac/L2/Energy/Forward': {'initial': 0, 'textformat': _kwh},
+          '/Ac/L3/Energy/Forward': {'initial': 0, 'textformat': _kwh},
+        })
+     
+      logging.info('Connected to dbus, and switching over to gobject.MainLoop() (= event based)')
+      mainloop = gobject.MainLoop()
+      mainloop.run()            
+  except Exception as e:
+    logging.critical('Error at %s', 'main', exc_info=e)
+if __name__ == "__main__":
+  main()

docs/go-eCharger-status-sample.json

@@ -0,0 +1,98 @@
+{"version":"B",
+    "tme":"2903222009",
+    "rbc":"205",
+    "rbt":"1422673530",
+    "car":"4",
+    "amp":"6",
+    "err":"0",
+    "ast":"0",
+    "alw":"0",
+    "stp":"0",
+    "cbl":"20",
+    "pha":"8",
+    "tmp":"22",
+    "tma":[16.13,16.00,15.75,16.13,-0.13,-0.13],
+    "amt":"32",
+    "dws":"4320841",
+    "dwo":"0",
+    "adi":"1",
+    "uby":"0",
+    "eto":"3660",
+    "wst":"3",
+    "txi":"0",
+    "nrg":[220,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0],
+    "fwv":"041.0",
+    "sse":"002918",
+    "wss":"chargerWLAN",
+    "wke":"********",
+    "wen":"1",
+    "cdi":"0",
+    "tof":"101",
+    "tds":"1",
+    "lbr":"255",
+    "aho":"3",
+    "afi":"7",
+    "azo":"1",
+    "ama":"32",
+    "al1":"10",
+    "al2":"16",
+    "al3":"20",
+    "al4":"24",
+    "al5":"32",
+    "cid":"255",
+    "cch":"65535",
+    "cfi":"65280",
+    "lse":"1",
+    "ust":"2",
+    "wak":"cd328163cd",
+    "r1x":"2",
+    "dto":"0",
+    "nmo":"0",
+    "sch":"AAAAAAAAAAAAAAAA",
+    "sdp":"0",
+    "eca":"0",
+    "ecr":"0",
+    "ecd":"0",
+    "ec4":"0",
+    "ec5":"0",
+    "ec6":"0",
+    "ec7":"0",
+    "ec8":"0",
+    "ec9":"0",
+    "ec1":"0",
+    "rca":"045C543A",
+    "rcr":"",
+    "rcd":"",
+    "rc4":"",
+    "rc5":"",
+    "rc6":"",
+    "rc7":"",
+    "rc8":"",
+    "rc9":"",
+    "rc1":"",
+    "rna":"",
+    "rnm":"",
+    "rne":"",
+    "rn4":"",
+    "rn5":"",
+    "rn6":"",
+    "rn7":"",
+    "rn8":"",
+    "rn9":"",
+    "rn1":"",
+    "loe":0,
+    "lot":0,
+    "lom":0,
+    "lop":0,
+    "log":"",
+    "lon":0,
+    "lof":0,
+    "loa":0,
+    "lch":13989,
+    "mce":0,
+    "mcs":"test.mosquitto.org",
+    "mcp":1883,
+    "mcu":"",
+    "mck":"",
+    "mcc":0
+} 

restart.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
-kill $(pgrep -f "python $SCRIPT_DIR/dbus-goecharger-acload.py")
+kill $(pgrep -f "python $SCRIPT_DIR/dbus-goecharger.py")

service/run

@@ -2,4 +2,4 @@
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 exec 2>&1
-python $(realpath $SCRIPT_DIR/../dbus-goecharger-acload.py)
+python $(realpath $SCRIPT_DIR/../dbus-goecharger.py)

uninstall.sh

@@ -3,6 +3,6 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 SERVICE_NAME=$(basename $SCRIPT_DIR)
 
 rm /service/$SERVICE_NAME
-kill $(pgrep -f 'supervise dbus-goecharger-acload')
+kill $(pgrep -f 'supervise dbus-goecharger')
 chmod a-x $SCRIPT_DIR/service/run
 ./restart.sh