dam112 changes

snippets/test6c.py

@@ -0,0 +1,19 @@
+from pymodbus.client.sync import ModbusSerialClient
+import RS485Ext
+import time
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+try:
+   # result = client.write_register(address=0x0000, unit=4, value=1)
+   result = client.write_coil(address=0x0000, unit=4, value=1)
+   print(result)
+except Exception as e:
+   print("ERROR: %s" % str(e))
+
+client.close()
+