22 lines
873 B
Python
22 lines
873 B
Python
from pymodbus.client import ModbusSerialClient
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from pymodbus.pdu.register_message import ReadInputRegistersRequest
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client = ModbusSerialClient(port="/dev/ttyUSB0", baudrate=9600)
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result = client.read_input_registers(address=1, count=2, slave=1)
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print(ReadInputRegistersRequest(address=1, count=2).encode())
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print(result.encode())
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print(f"Temp {result.registers[0] / 10}, Humidity {result.registers[1] / 10}")
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slave_id = client.read_holding_registers(address=257, count=4, slave=1)
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print(f"""Slave id {slave_id.registers[0]} Baudrate {slave_id.registers[1]}
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Temp correction {slave_id.registers[2]} Humidity correction {slave_id.registers[3]}""")
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print(slave_id)
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# change_slave_id = client.write_register(address=257, value=1, slave=101)
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# change_baudrate = client.write_register(address=258, value=1, slave=101)
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# print(change_slave_id)
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# print(change_baudrate)
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