def _setupMbus(self):
"""create the mbus connection"""
try:
path = config.getConfig('mbus', 'libpath', None)
if not config.configs.has_option('mbus', 'device'):
if not config.configs.has_option('mbus', 'host'):
logger.error('mbus configuration missing: device or host')
return
else:
if config.configs.has_option('mbus', 'port'):
self._mbus = MBus(host=config.configs.get('mbus', 'host'), port=config.configs.get('mbus', 'port'), libpath=path)
else:
self._mbus = MBus(host=config.configs.get('mbus', 'host'), libpath=path)
else:
self._mbus = MBus(device=config.configs.get('mbus', 'device'), libpath=path)
except:
logger.exception("failed to setup mbus")
def _reconnect(self):
if self._mbus:
try:
self._mbus.disconnect()
self._mbus = None
except Exception as ex:
log.error("MBus close exception %s", ex)
if not self._mbus:
try:
self._mbus = MBus(device=self._port, libpath='./libmbus.so')
except Exception as ex:
log.error("MBus create exception %s", ex)
return
try:
self._mbus.connect()
except Exception as ex:
log.error("MBus open exception %s", ex)
self._mbus = None
def __init__(self, libpath=None):
self._mbus = MBus(host="localhost", port=8888, libpath=libpath)
self._mbus_frame = MBusFrame()
#!/usr/bin/env python3
# ------------------------------------------------------------------------------
# Copyright (C) 2012, Robert Johansson <*****@*****.**>, Raditex Control AB
# All rights reserved.
# ------------------------------------------------------------------------------
"""
mbus test: send a request frame and receive and parse the reply
"""
from mbus.MBus import MBus
debug = True
address = 1
mbus = MBus(host="mbus-gw1", port=8888)
if debug:
print("mbus = " + str(mbus))
mbus.connect()
if debug:
print("mbus = " + str(mbus))
mbus.send_request_frame(address)
reply = mbus.recv_frame()
if debug:
print("reply =", reply)
#!/usr/bin/env python3
# ------------------------------------------------------------------------------
# Copyright (C) 2012, Robert Johansson <*****@*****.**>, Raditex Control AB
# All rights reserved.
# ------------------------------------------------------------------------------
"""
mbus test: send a request frame and receive and parse the reply
"""
from mbus.MBus import MBus
debug = True
address = 0
#mbus = MBus(host="mbus-gw1", port=8888)
mbus = MBus(device="/dev/ttyUSB0",
libpath="/home/ph/git/python-mbus/examples/libmbus.so")
if debug:
print("mbus = " + str(mbus))
mbus.connect()
if debug:
print("mbus = " + str(mbus))
mbus.serial_set_baudrate(2400)
res = mbus.send_ping_frame(0xFD, 1)
print(res)
res = mbus.send_ping_frame(0, 1)
print(res)
