Add wpm example (#5)

Author: pail23

wpm-example.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+import asyncio
+from pystiebeleltron.wpm import WpmStiebelEltronAPI, WpmSystemParametersRegisters, WpmSystemValuesRegisters
+
+host_ip = "192.168.1.20"
+
+
+async def main():
+    api = WpmStiebelEltronAPI(host_ip, 502)
+    await api.connect()
+
+    await api.async_update()
+
+    for k, v in api._data.items():
+        if v is not None:
+            print(f"{k.name} ({k.value}): {v}")
+
+    outside_temp = api.get_register_value(WpmSystemValuesRegisters.OUTSIDE_TEMPERATURE)
+    print(f"The current outside temperature is {outside_temp} °C")
+
+    comfort_temp = api.get_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE)
+    print(f"The current water comfort temperature is {comfort_temp} °C")
+
+    # Test set_target_temp
+    print("Setting temperature to 50.0")
+    await api.write_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE, 50)
+    await asyncio.sleep(3)
+    await api.async_update()
+    mod_temp = api.get_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE)
+    if mod_temp != 50.0:
+        print("setting the water comfort temperature failed!")
+    if mod_temp != comfort_temp:
+        await api.write_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE, comfort_temp)
+        await asyncio.sleep(3)
+        await api.async_update()
+    print(f"get_target_temp: {api.get_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE)}")
+    await api.close()
+
+
+if __name__ == "__main__":
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+
+    loop.run_until_complete(main())