Mercurial > ~darius > hgwebdir.cgi > epro
view velib_python/examples/vedbusitem_import_examples.py @ 27:8b8efc343b0c
Update comment about wiring althoug it's clear as mud..
author | Daniel O'Connor <darius@dons.net.au> |
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date | Tue, 21 Dec 2021 15:05:45 +1030 |
parents | 9c0435a617db |
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#!/usr/bin/env python3 # -*- coding: utf-8 -*- # This file has some tests, to do type checking of vedbus.py # This file makes it easy to compare the values put on the dbus through # Python (vedbus.VeDbusItemExport) with items exported in C (the mk2dbus process) # Note that this file requires vedbusitemexport_examples to be running. import dbus import pprint import os import sys from dbus.mainloop.glib import DBusGMainLoop # our own packages sys.path.insert(1, os.path.join(os.path.dirname(__file__), '../')) from vedbus import VeDbusItemExport, VeDbusItemImport DBusGMainLoop(set_as_default=True) # Connect to the sessionbus. Note that on ccgx we use systembus instead. dbusConn = dbus.SessionBus() if 'DBUS_SESSION_BUS_ADDRESS' in os.environ else dbus.SystemBus() # dictionary containing the different items dbusObjects = {} # check if the vbus.ttyO1 exists (it normally does on a ccgx, and for linux a pc, there is # some emulator. hasVEBus = 'com.victronenergy.vebus.ttyO1' in dbusConn.list_names() dbusObjects['PyString'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/String') if hasVEBus: dbusObjects['C_string'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Mgmt/ProcessName') dbusObjects['PyFloat'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/Float') if hasVEBus: dbusObjects['C_float'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Dc/V') dbusObjects['PyInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/Int') if hasVEBus: dbusObjects['C_int'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/State') dbusObjects['PyNegativeInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/NegativeInt') if hasVEBus: dbusObjects['C_negativeInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Dc/I') # print the results print('----') for key, o in dbusObjects.items(): print(key + ' at ' + o.serviceName + o.path) pprint.pprint(dbusObjects[key]) print('pprint veBusItem.get_value(): ') pprint.pprint(dbusObjects[key].get_value()) print('pprint veBusItem.get_text(): ') pprint.pprint(dbusObjects[key].get_text()) print('----')