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example-tcp-udp.py
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example-tcp-udp.py
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#!/usr/bin/env python3
import argparse
import json
import sdm_modbus
if __name__ == "__main__":
argparser = argparse.ArgumentParser()
argparser.add_argument("host", type=str, help="Modbus TCP/UDP address")
argparser.add_argument("port", type=int, help="Modbus TCP/UDP port")
argparser.add_argument("--udp", action="store_true", default=False, help="Use Modbus UDP mode")
argparser.add_argument("--timeout", type=int, default=1, help="Connection timeout")
argparser.add_argument("--framer", type=str, default=None, help="Framer (rtu|socket|ascii|binary)")
argparser.add_argument("--unit", type=int, default=1, help="Modbus device address")
argparser.add_argument("--json", action="store_true", default=False, help="Output as JSON")
args = argparser.parse_args()
meter = sdm_modbus.SDM120(
host=args.host,
port=args.port,
timeout=args.timeout,
framer=args.framer,
unit=args.unit,
udp=args.udp
)
if args.json:
print(json.dumps(meter.read_all(scaling=True), indent=4))
else:
print(f"{meter}:")
print("\nInput Registers:")
for k, v in meter.read_all(sdm_modbus.registerType.INPUT).items():
address, length, rtype, dtype, vtype, label, fmt, batch, sf = meter.registers[k]
if type(fmt) is list or type(fmt) is dict:
print(f"\t{label}: {fmt[str(v)]}")
elif vtype is float:
print(f"\t{label}: {v:.2f}{fmt}")
else:
print(f"\t{label}: {v}{fmt}")
print("\nHolding Registers:")
for k, v in meter.read_all(sdm_modbus.registerType.HOLDING).items():
address, length, rtype, dtype, vtype, label, fmt, batch, sf = meter.registers[k]
if type(fmt) is list:
print(f"\t{label}: {fmt[v]}")
elif type(fmt) is dict:
print(f"\t{label}: {fmt[str(v)]}")
elif vtype is float:
print(f"\t{label}: {v:.2f}{fmt}")
else:
print(f"\t{label}: {v}{fmt}")