1'''
2Tutorial - multiple_loops_async.py with asynchronous mode.
3
4This example project demonstrates how to use two async thread to get RTC & print string from WifiDAQE3A.
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 readRTC_loop(handle, delay=1):
26 while True:
27 rtc = await handle.Sys_getRTC_async()
28 print(f"RTC Time: {rtc}")
29 await asyncio.sleep(delay) ## delay [sec]
30
31
32async def printString_loop(handle, delay=1):
33 while True:
34 print("WPC Systems Ltd")
35 await asyncio.sleep(delay) ## delay [sec]
36
37
38async def main():
39 ## Get Python driver version
40 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
41
42 ## Create device handle
43 dev = pywpc.WifiDAQE3A()
44
45 ## Connect to device
46 try:
47 dev.connect("192.168.5.38") ## Depend on your device
48 except Exception as err:
49 pywpc.printGenericError(err)
50 ## Release device handle
51 dev.close()
52 return
53
54 try:
55 ## Get firmware model & version
56 driver_info = await dev.Sys_getDriverInfo_async()
57 print(f"Model name: {driver_info[0]}, Firmware version: {driver_info[-1]} ")
58
59 await asyncio.gather(readRTC_loop(dev, delay=1), printString_loop(dev, delay=2)) ## delay [sec]
60 except Exception as err:
61 pywpc.printGenericError(err)
62
63 ## This part never execute because the async thread.
64
65 finally:
66 ## Disconnect device
67 dev.disconnect()
68
69 ## Release device handle
70 dev.close()
71
72
73def main_for_spyder(*args):
74 if asyncio.get_event_loop().is_running():
75 return asyncio.create_task(main(*args)).result()
76 else:
77 return asyncio.run(main(*args))
78
79
80if __name__ == '__main__':
81 asyncio.run(main()) ## Use terminal
82 # await main() ## Use Jupyter or IPython(>=7.0)
83 # main_for_spyder() ## Use Spyder