dbus-service.py

#!/usr/bin/python

from pymodbus.exceptions import ModbusIOException

__author__ = "Michael Gane"
__version__ = "1.5.8"
__maintainer__ = __author__
__email__ = "victron@ganey.co.uk"

import time  # Library to use delays
from argparse import ArgumentParser
import os  # Library to detect import libraries
import sys  # system command library
from dbus.mainloop.glib import DBusGMainLoop

# importing dbus complements
# Victron packages
sys.path.insert(
    1,
    os.path.join(
        os.path.dirname(__file__),
        "/opt/victronenergy/dbus-systemcalc-py/ext/velib_python",
    ),
)
from vedbus import VeDbusService  # VeDbusItemImportObject paths that are mandatory for services representing products

from gi.repository import GObject as gobject
#import gobject
#from gobject import idle_add

DBusGMainLoop(set_as_default=True)
dbusservice = VeDbusService('com.victronenergy.solarcharger.epever_ttyUSB3')
#
# mainloop = gobject.MainLoop()
# mainloop.run()

try:
    print ("trying something")
    dbusservice.add_path('/Management/ProcessName', __file__)
    dbusservice.add_path('/Management/ProcessVersion',
                         'Version {} running on Python {}'.format(1, sys.version))
    dbusservice.add_path('/Management/Connection', 'ModBus RTU')

    # Create the mandatory objects
    dbusservice.add_path('/DeviceInstance', 291)
    dbusservice.add_path('/ProductId', 0)
    dbusservice.add_path('/ProductName', 'Epever Tracer 3210N XDS')
    dbusservice.add_path('/FirmwareVersion', 1)
    dbusservice.add_path('/HardwareVersion', 1)
    dbusservice.add_path('/Connected', 1)
    dbusservice.add_path('/Serial', '01234abcde')

except:
    print ("Json mppt schema has been created before!")

try:
    dbusservice.add_path('/State', 0, writeable=True)
    dbusservice.add_path('/Pv/V', 0, writeable=True)
    dbusservice.add_path('/Pv/I', 0, writeable=True)
    dbusservice.add_path('/Dc/0/Voltage', 0, writeable=True)
    dbusservice.add_path('/Dc/0/Current', 0, writeable=True)
    # dbusservice.add_path('/DC/0/Power', 0, writeable=True)
    dbusservice.add_path('/Load/State', 0, writeable=True)
    dbusservice.add_path('/Load/I', 0, writeable=True)
    dbusservice.add_path('/ErrorCode', 0, writeable=True)
    dbusservice.add_path('/Yield/Power', 0, writeable=True)  # Actual input power (Watts)
    dbusservice.add_path('/Yield/User', 0, writeable=True)  # Total kWh produced (user resettable)
    dbusservice.add_path('/Yield/System', 0, writeable=True)  # Total kWh produced (not resettable)
    dbusservice.add_path('/Mode', 0, writeable=True)
    dbusservice.add_path('/MppOperationMode', 0, writeable=True)
except:
    print ("Json mppt values created before!2")


print ("Starting main loop...")
mainloop = gobject.MainLoop()
mainloop.run()

exit(0)