1'''
2Tutorial - single_loop_async.py with asynchronous mode.
3
4This example project demonstrates how to use async thread to get RTC from EthanEXD.
5
6-------------------------------------------------------------------------------------
7Please change correct serial number or IP and port number BEFORE you run example code.
8
9For other examples please check:
10 https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
11See README.md file to get detailed usage of this example.
12
13Copyright (c) 2022-2025 WPC Systems Ltd. All rights reserved.
14'''
15
16## WPC
17from wpcsys import pywpc
18
19## Python
20import asyncio
21import sys
22sys.path.insert(0, 'src/')
23
24
25async def loop_func(handle, timeout=3, delay=1):
26 t = 0
27 while t < timeout:
28 data = await handle.Sys_getRTC_async()
29 print("RTC Time:" + str(data))
30 await asyncio.sleep(delay) ## delay [sec]
31 t += delay
32
33
34async def main():
35 ## Get Python driver version
36 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
37
38 ## Create device handle
39 dev = pywpc.EthanEXD()
40
41 ## Connect to device
42 try:
43 dev.connect("192.168.1.110") ## Depend on your device
44 except Exception as err:
45 pywpc.printGenericError(err)
46 ## Release device handle
47 dev.close()
48 return
49
50 ## Perform async thread to query data
51 try:
52 ## Get firmware model & version
53 driver_info = await dev.Sys_getDriverInfo_async()
54 print(f"Model name: {driver_info[0]}, Firmware version: {driver_info[-1]} ")
55
56 await loop_func(dev, timeout=3, delay=1)
57 except Exception as err:
58 pywpc.printGenericError(err)
59
60 ## This part never execute because the async thread
61 finally:
62 ## Disconnect device
63 dev.disconnect()
64
65 ## Release device handle
66 dev.close()
67
68
69def main_for_spyder(*args):
70 if asyncio.get_event_loop().is_running():
71 return asyncio.create_task(main(*args)).result()
72 else:
73 return asyncio.run(main(*args))
74
75
76if __name__ == '__main__':
77 asyncio.run(main()) ## Use terminal
78 # await main() ## Use Jupyter or IPython(>=7.0)
79 # main_for_spyder() ## Use Spyder