def serial_scan_primary():
parser = argparse.ArgumentParser(
description='Scan serial M-Bus for devices.')
parser.add_argument('-d', action='store_true',
help='Enable verbose debug')
parser.add_argument('-b', '--baudrate',
type=int, default=2400,
help='Serial bus baudrate')
parser.add_argument('-r', '--retries',
type=int, default=5,
help='Number of ping retries for each address')
parser.add_argument('--echofix', action='store_true',
help='Read and ignore echoed data from target')
parser.add_argument('device', type=str, help='Serial device or URI')
args = parser.parse_args()
meterbus.debug(args.d)
try:
with serial.serial_for_url(args.device,
args.baudrate, 8, 'E', 1, timeout=1) as ser:
for address in range(0, meterbus.MAX_PRIMARY_SLAVES + 1):
if ping_address(ser, address, args.retries, args.echofix):
print(
"Found a M-Bus device at address {0}".format(address)
)
except serial.serialutil.SerialException as e:
print(e)
def serial_request_single():
parser = argparse.ArgumentParser(
description='Request data over serial M-Bus for devices.')
parser.add_argument('-d', action='store_true',
help='Enable verbose debug')
parser.add_argument('-b', '--baudrate',
type=int, default=2400,
help='Serial bus baudrate')
parser.add_argument('-a', '--address',
type=str, default=meterbus.ADDRESS_BROADCAST_REPLY,
help='Primary or secondary address')
parser.add_argument('-r', '--retries',
type=int, default=5,
help='Number of ping retries for each address')
parser.add_argument('-o', '--output', default="dump",
help='Output format')
parser.add_argument('--echofix', action='store_true',
help='Read and ignore echoed data from target')
parser.add_argument('device', type=str,
help='Serial device, URI or binary file')
args = parser.parse_args()
meterbus.debug(args.d)
frame = None
try:
mode = os.stat(args.device).st_mode
if stat.S_ISREG(mode):
with open(args.device, 'rb') as f:
frame = meterbus.load(f.read())
else:
frame = do_char_dev(args)
except OSError:
frame = do_char_dev(args)
if frame is not None:
print(serialize_frame(frame, args.output))
def serial_scan_secondary():
def sec_addr_valid(string):
if False is meterbus.is_secondary_address(string):
raise argparse.ArgumentTypeError(
"Not a valid secondary address mask")
return string
parser = argparse.ArgumentParser(
description='Scan serial M-Bus for devices.')
parser.add_argument('-d', action='store_true',
help='Enable verbose debug')
parser.add_argument('-b', '--baudrate',
type=int, default=2400,
help='Serial bus baudrate')
parser.add_argument('-a', '--address',
type=sec_addr_valid, default="FFFFFFFFFFFFFFFF",
help='Secondary address mask')
parser.add_argument('-r', '--retries',
type=int, default=5,
help='Number of ping retries for each address')
parser.add_argument('--echofix', action='store_true',
help='Read and ignore echoed data from target')
parser.add_argument('device', type=str, help='Serial device or URI')
args = parser.parse_args()
meterbus.debug(args.d)
try:
with serial.serial_for_url(args.device,
args.baudrate, 8, 'E', 1, timeout=1) as ser:
# Ensure we are at the beginning of the records
init_slaves(ser, args.echofix)
mbus_scan_secondary_address_range(ser, 0, args.address, args.echofix)
except serial.serialutil.SerialException as e:
print(e)
help='Serial bus baudrate')
parser.add_argument('-d', action='store_true', help='Enable verbose debug')
parser.add_argument('-n',
'--newAddress',
type=int,
help='New Primary address')
parser.add_argument('-r',
'--retries',
type=int,
default=5,
help='Number of ping retries for each address')
parser.add_argument('device', type=str, help='Serial device or URI')
args = parser.parse_args()
meterbus.debug(args.d)
try:
with serial.serial_for_url(args.device,
args.baudrate,
8,
'E',
1,
timeout=1) as ser:
if args.modern:
if setG4modern(args.address):
print(
"Set M-Bus device at address {0} to G4 compatible modern output"
.format(args.address))
if args.fast:
if setG4fast(args.address):
def test_debug_set_true(self):
meterbus.debug(True)
self.assertEqual(meterbus.g.debug, True)
help='Enable verbose debug')
parser.add_argument('-b', '--baudrate',
type=int, default=2400,
help='Serial bus baudrate')
parser.add_argument('-a', '--address',
type=str, default=meterbus.ADDRESS_BROADCAST_REPLY,
help='Primary or secondary address')
parser.add_argument('-r', '--retries',
type=int, default=5,
help='Number of ping retries for each address')
parser.add_argument('-o', '--output', default="json",
help='Output format')
parser.add_argument('device', type=str, help='Serial device or URI')
args = parser.parse_args()
meterbus.debug(args.d)
address = args.address
try:
if 0 <= int(args.address) <= 254:
address = int(args.address)
except ValueError:
pass
try:
ibt = meterbus.inter_byte_timeout(args.baudrate)
with serial.serial_for_url(args.device,
args.baudrate, 8, 'E', 1,
inter_byte_timeout=ibt,
timeout=1) as ser:
frame = None
def serial_request_multi():
parser = argparse.ArgumentParser(
description='Request data over serial M-Bus for devices.')
parser.add_argument('-d', action='store_true',
help='Enable verbose debug')
parser.add_argument('-b', '--baudrate',
type=int, default=2400,
help='Serial bus baudrate')
parser.add_argument('-a', '--address',
type=str, default=meterbus.ADDRESS_BROADCAST_REPLY,
help='Primary or secondary address')
parser.add_argument('-r', '--retries',
type=int, default=5,
help='Number of ping retries for each address')
parser.add_argument('-o', '--output', default="json",
help='Output format')
parser.add_argument('--echofix', action='store_true',
help='Read and ignore echoed data from target')
parser.add_argument('device', type=str, help='Serial device or URI')
args = parser.parse_args()
meterbus.debug(args.d)
address = args.address
try:
if 0 <= int(args.address) <= 254:
address = int(args.address)
except ValueError:
pass
try:
ibt = meterbus.inter_byte_timeout(args.baudrate)
with serial.serial_for_url(args.device,
args.baudrate, 8, 'E', 1,
inter_byte_timeout=ibt,
timeout=1) as ser:
frame = None
if meterbus.is_primary_address(address):
if False is ping_address(ser, address, args.retries):
sys.exit(1)
meterbus.send_request_frame_multi(ser, address, read_echo=args.echofix)
frame = meterbus.load(
meterbus.recv_frame(ser))
elif meterbus.is_secondary_address(address):
if False is ping_address(ser,
meterbus.ADDRESS_NETWORK_LAYER, args.retries, args.echofix):
ping_address(ser, meterbus.ADDRESS_BROADCAST_NOREPLY, args.retries, args.echofix)
meterbus.send_select_frame(ser, address, read_echo=args.echofix)
frame = meterbus.load(meterbus.recv_frame(ser, 1))
# Ensure that the select frame request was handled by the slave
assert isinstance(frame, meterbus.TelegramACK)
req = meterbus.send_request_frame_multi(
ser, meterbus.ADDRESS_NETWORK_LAYER, read_echo=args.echofix)
try:
frame = meterbus.load(meterbus.recv_frame(ser))
except meterbus.MBusFrameDecodeError:
frame = None
while frame and frame.more_records_follow:
# toogle FCB on and off
req.header.cField.parts[0] ^= meterbus.CONTROL_MASK_FCB
req = meterbus.send_request_frame_multi(
ser, meterbus.ADDRESS_NETWORK_LAYER, req, read_echo=args.echofix)
next_frame = meterbus.load(meterbus.recv_frame(ser))
frame += next_frame
if frame is not None:
print(serialize_frame(frame, args.output))
except serial.serialutil.SerialException as e:
print(e)