add some functional

scripts/modbus_test.py

@@ -0,0 +1,18 @@
+from pymodbus.client import ModbusSerialClient
+
+client = ModbusSerialClient(port="/dev/ttyUSB0", baudrate=9600)
+
+result = client.read_input_registers(address=1, count=2, slave=1)
+
+print(f"Temp {result.registers[0] / 10}, Humidity {result.registers[1] / 10}")
+
+slave_id = client.read_holding_registers(address=257, count=4, slave=1)
+
+print(f"""Slave id {slave_id.registers[0]} Baudrate {slave_id.registers[1]}
+      Temp correction {slave_id.registers[2]} Humidity correction {slave_id.registers[3]}""")
+print(slave_id)
+
+# change_slave_id = client.write_register(address=257, value=1, slave=101)
+# change_baudrate = client.write_register(address=258, value=1, slave=101)
+# print(change_slave_id)
+# print(change_baudrate)