22 lines
485 B
Python
22 lines
485 B
Python
from pymodbus.client.sync import ModbusSerialClient
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import RS485Ext
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import time
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ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=2)
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client = ModbusSerialClient(method='rtu')
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client.socket = ser
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client.connect()
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while True:
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try:
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result = client.read_holding_registers(address=0x2000, count=2, unit=1)
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print(result)
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print(result.registers)
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except Exception as e:
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print("ERROR: %s" % str(e))
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time.sleep(2)
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client.close()
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