def unit(self, uid):
"""Return the poller to access data for the given unit uid. Force """
if uid not in self.pollers:
self.pollers[uid] = poller_modbus("SMC %s" % (uid),
client=self,
multi=True,
unit=uid,
rate=self.rate)
return self.pollers[uid]
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog = """\
Begin polling the designated register range(s), optionally writing initial values to them.
Register range(s) and value(s) must be supplied:
<begin>[-<end>]
<begin>[-<end>]=<val>,...
EXAMPLE
modbus_poll --address localhost:7502 40001-40100
""" )
parser.add_argument( '-v', '--verbose',
default=0, action="count", help="Display logging information." )
parser.add_argument('-l', '--log',
type=str, default=None, help="Direct log output to the specified file" )
parser.add_argument( '-a', '--address', default="0.0.0.0:502",
help="Default [interface][:port] to bind to (default: any, port 502)" )
parser.add_argument( '-r', '--reach', default=1,
help="Merge polls within <reach> registers of each-other" )
parser.add_argument( '-R', '--rate', default=1.0,
help="Target poll rate" )
parser.add_argument( '-t', '--timeout', default=Defaults.Timeout,
help="I/O Timeout (default: %s)" % ( Defaults.Timeout ))
parser.add_argument( 'registers', nargs="+" )
args = parser.parse_args()
# Deduce logging level and target file (if any)
levelmap = {
0: logging.WARNING,
1: logging.NORMAL,
2: logging.DETAIL,
3: logging.INFO,
4: logging.DEBUG,
}
cpppo.log_cfg['level'] = ( levelmap[args.verbose]
if args.verbose in levelmap
else logging.DEBUG )
if args.log:
cpppo.log_cfg['filename'] = args.log
logging.basicConfig( **cpppo.log_cfg )
# (INADDR_ANY) if only :port is supplied. Port defaults to 502 if only
# interface is supplied. After this block, 'address' is always a tuple
# like ("interface",502)
address = None
if args.address:
address = args.address.split(':')
assert 1 <= len( address ) <= 2
address = (
str( address[0] ),
int( address[1] ) if len( address ) > 1 else Defaults.Port )
log.info( "--address '%s' produces address=%r" % ( args.address, address ))
# Set up the Modbus/TCP I/O timeout to use, for all connect and read/write transactions
Defaults.Timeout = float( args.timeout )
# Start the PLC poller (and perform any initial writes indicated)
poller = poller_modbus(
"Modbus/TCP", host=address[0], port=address[1], reach=int( args.reach ), rate=float( args.rate ))
for txt in args.registers:
beg,end,val = register_decode( txt ) # beg-end is inclusive
for reg in range( beg, end+1 ):
poller.poll( reg )
if val:
# Value(s) were supplied for the register(s) range; write 'em. This results in a
# WriteMultipleRegistersRequest if val is an iterable, or a WriteSingle... if not.
# We'll need to shatter/merge the register range into appropriate sized chunks for a
# valid Modbus/TCP request, and then take the appropriate number of values for each.
for base,length in merge( [ (beg,end-beg+1) ] ):
poller.write( base, val[0] if length == 1 else val[:length] )
val = val[length:]
load = ''
fail = ''
poll = ''
regs = {}
while True:
loadcur = "%.2f" % ( poller.load[0] if poller.load[0] else 0 )
if loadcur != load:
load = loadcur
logging.detail( "load: %s", loadcur )
failcur = ", ".join( [ ("%d-%d" % (b,b+c-1)) for b,c in poller.failing ] )
pollcur = ", ".join( [ ("%d-%d" % (b,b+c-1)) for b,c in poller.polling ] )
if ( failcur != fail or pollcur != poll ):
fail, poll = failcur, pollcur
logging.normal( "failing: %s, polling: %s", fail, poll )
# log data changes
for beg,cnt in poller.polling:
for reg in range( beg, beg+cnt ):
val = poller.read( reg )
old = regs.get( reg ) # may be None
if val != old:
logging.warning( "%5d == %5d (was: %s)" %( reg, val, old ))
regs[reg] = val
time.sleep( 1 )
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog = """\
Register range(s) and value(s) must be supplied:
<begin>[-<end>]
EXAMPLE
modbus_poll --address localhost:7502 40001-40100
""" )
parser.add_argument( '-v', '--verbose',
default=0, action="count", help="Display logging information." )
parser.add_argument('-l', '--log',
type=str, default=None, help="Direct log output to the specified file" )
parser.add_argument( '-a', '--address', default="0.0.0.0:502",
help="Default [interface][:port] to bind to (default: any, port 502)" )
parser.add_argument( '-r', '--reach', default=1,
help="Merge polls within <reach> registers of each-other" )
parser.add_argument( '-R', '--rate', default=1.0,
help="Target poll rate" )
parser.add_argument( 'registers', nargs="+" )
args = parser.parse_args()
# Deduce logging level and target file (if any)
levelmap = {
0: logging.WARNING,
1: logging.NORMAL,
2: logging.DETAIL,
3: logging.INFO,
4: logging.DEBUG,
}
cpppo.log_cfg['level'] = ( levelmap[args.verbose]
if args.verbose in levelmap
else logging.DEBUG )
if args.log:
cpppo.log_cfg['filename'] = args.log
logging.basicConfig( **cpppo.log_cfg )
# (INADDR_ANY) if only :port is supplied. Port defaults to 502 if only
# interface is supplied. After this block, 'address' is always a tuple
# like ("interface",502)
address = None
if args.address:
address = args.address.split(':')
assert 1 <= len( address ) <= 2
address = (
str( address[0] ),
int( address[1] ) if len( address ) > 1 else Defaults.Port )
log.info( "--address '%s' produces address=%r" % ( args.address, address ))
# Start the PLC poller
poller = poller_modbus(
"Modbus/TCP", host=address[0], port=address[1], reach=int( args.reach ), rate=float( args.rate ))
for r in args.registers:
rng = r.split('-')
beg,cnt = int(rng[0]), int(rng[1])-int(rng[0])+1 if len(rng) else 1
for reg in range( beg, beg+cnt ):
poller.poll( reg )
load = ''
fail = ''
poll = ''
regs = {}
while True:
loadcur = "%.2f" % ( poller.load[0] if poller.load[0] else 0 )
if loadcur != load:
load = loadcur
logging.detail( "load: %s", loadcur )
failcur = ", ".join( [ ("%d-%d" % (b,b+c-1)) for b,c in poller.failing ] )
pollcur = ", ".join( [ ("%d-%d" % (b,b+c-1)) for b,c in poller.polling ] )
if ( failcur != fail or pollcur != poll ):
fail, poll = failcur, pollcur
logging.normal( "failing: %s, polling: %s", fail, poll )
# log data changes
for beg,cnt in poller.polling:
for reg in range( beg, beg+cnt ):
val = poller.read( reg )
old = regs.get( reg ) # may be None
if val != old:
logging.warning( "%5d == %5d (was: %s)" %( reg, val, old ))
regs[reg] = val
time.sleep( 1 )
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""\
Register range(s) and value(s) must be supplied:
<begin>[-<end>]
EXAMPLE
modbus_poll --address localhost:7502 40001-40100
""")
parser.add_argument('-v',
'--verbose',
default=0,
action="count",
help="Display logging information.")
parser.add_argument('-l',
'--log',
type=str,
default=None,
help="Direct log output to the specified file")
parser.add_argument(
'-a',
'--address',
default="0.0.0.0:502",
help="Default [interface][:port] to bind to (default: any, port 502)")
parser.add_argument(
'-r',
'--reach',
default=1,
help="Merge polls within <reach> registers of each-other")
parser.add_argument('-R', '--rate', default=1.0, help="Target poll rate")
parser.add_argument('registers', nargs="+")
args = parser.parse_args()
# Deduce logging level and target file (if any)
levelmap = {
0: logging.WARNING,
1: logging.NORMAL,
2: logging.DETAIL,
3: logging.INFO,
4: logging.DEBUG,
}
cpppo.log_cfg['level'] = (levelmap[args.verbose]
if args.verbose in levelmap else logging.DEBUG)
if args.log:
cpppo.log_cfg['filename'] = args.log
logging.basicConfig(**cpppo.log_cfg)
# (INADDR_ANY) if only :port is supplied. Port defaults to 502 if only
# interface is supplied. After this block, 'address' is always a tuple
# like ("interface",502)
address = None
if args.address:
address = args.address.split(':')
assert 1 <= len(address) <= 2
address = (str(address[0]),
int(address[1]) if len(address) > 1 else Defaults.Port)
log.info("--address '%s' produces address=%r" %
(args.address, address))
# Start the PLC poller
poller = poller_modbus("Modbus/TCP",
host=address[0],
port=address[1],
reach=int(args.reach),
rate=float(args.rate))
for r in args.registers:
rng = r.split('-')
beg, cnt = int(
rng[0]), int(rng[1]) - int(rng[0]) + 1 if len(rng) else 1
for reg in range(beg, beg + cnt):
poller.poll(reg)
load = ''
fail = ''
poll = ''
regs = {}
while True:
loadcur = "%.2f" % (poller.load[0] if poller.load[0] else 0)
if loadcur != load:
load = loadcur
logging.detail("load: %s", loadcur)
failcur = ", ".join([("%d-%d" % (b, b + c - 1))
for b, c in poller.failing])
pollcur = ", ".join([("%d-%d" % (b, b + c - 1))
for b, c in poller.polling])
if (failcur != fail or pollcur != poll):
fail, poll = failcur, pollcur
logging.normal("failing: %s, polling: %s", fail, poll)
# log data changes
for beg, cnt in poller.polling:
for reg in range(beg, beg + cnt):
val = poller.read(reg)
old = regs.get(reg) # may be None
if val != old:
logging.warning("%5d == %5d (was: %s)" % (reg, val, old))
regs[reg] = val
time.sleep(1)
def unit( self, uid ):
"""Return the poller to access data for the given unit uid. Force """
if uid not in self.pollers:
self.pollers[uid] = poller_modbus( "SMC %s" % ( uid ), client=self,
multi=True, unit=uid, rate=self.rate )
return self.pollers[uid]
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""\
Begin polling the designated register range(s), optionally writing initial values to them.
Register range(s) and value(s) must be supplied:
<begin>[-<end>]
<begin>[-<end>]=<val>,...
EXAMPLE
modbus_poll --address localhost:7502 40001-40100
""",
)
parser.add_argument("-v", "--verbose", default=0, action="count", help="Display logging information.")
parser.add_argument("-l", "--log", type=str, default=None, help="Direct log output to the specified file")
parser.add_argument(
"-a", "--address", default="0.0.0.0:502", help="Default [interface][:port] to bind to (default: any, port 502)"
)
parser.add_argument("-r", "--reach", default=1, help="Merge polls within <reach> registers of each-other")
parser.add_argument("-R", "--rate", default=1.0, help="Target poll rate")
parser.add_argument(
"-t", "--timeout", default=Defaults.Timeout, help="I/O Timeout (default: %s)" % (Defaults.Timeout)
)
parser.add_argument("registers", nargs="+")
args = parser.parse_args()
# Deduce logging level and target file (if any)
levelmap = {0: logging.WARNING, 1: logging.NORMAL, 2: logging.DETAIL, 3: logging.INFO, 4: logging.DEBUG}
cpppo.log_cfg["level"] = levelmap[args.verbose] if args.verbose in levelmap else logging.DEBUG
if args.log:
cpppo.log_cfg["filename"] = args.log
logging.basicConfig(**cpppo.log_cfg)
# (INADDR_ANY) if only :port is supplied. Port defaults to 502 if only
# interface is supplied. After this block, 'address' is always a tuple
# like ("interface",502)
address = None
if args.address:
address = args.address.split(":")
assert 1 <= len(address) <= 2
address = (str(address[0]), int(address[1]) if len(address) > 1 else Defaults.Port)
log.info("--address '%s' produces address=%r" % (args.address, address))
# Set up the Modbus/TCP I/O timeout to use, for all connect and read/write transactions
Defaults.Timeout = float(args.timeout)
# Start the PLC poller (and perform any initial writes indicated)
poller = poller_modbus("Modbus/TCP", host=address[0], port=address[1], reach=int(args.reach), rate=float(args.rate))
for txt in args.registers:
beg, end, val = register_decode(txt) # beg-end is inclusive
for reg in range(beg, end + 1):
poller.poll(reg)
if val:
# Value(s) were supplied for the register(s) range; write 'em. This results in a
# WriteMultipleRegistersRequest if val is an iterable, or a WriteSingle... if not.
# We'll need to shatter/merge the register range into appropriate sized chunks for a
# valid Modbus/TCP request, and then take the appropriate number of values for each.
for base, length in merge([(beg, end - beg + 1)]):
poller.write(base, val[0] if length == 1 else val[:length])
val = val[length:]
load = ""
fail = ""
poll = ""
regs = {}
while True:
loadcur = "%.2f" % (poller.load[0] if poller.load[0] else 0)
if loadcur != load:
load = loadcur
logging.detail("load: %s", loadcur)
failcur = ", ".join([("%d-%d" % (b, b + c - 1)) for b, c in poller.failing])
pollcur = ", ".join([("%d-%d" % (b, b + c - 1)) for b, c in poller.polling])
if failcur != fail or pollcur != poll:
fail, poll = failcur, pollcur
logging.normal("failing: %s, polling: %s", fail, poll)
# log data changes
for beg, cnt in poller.polling:
for reg in range(beg, beg + cnt):
val = poller.read(reg)
old = regs.get(reg) # may be None
if val != old:
logging.warning("%5d == %5d (was: %s)" % (reg, val, old))
regs[reg] = val
time.sleep(1)
