1'''
2DPOT - DPOT_writeAllChannels.py with asynchronous mode.
3
4This example demonstrates how to write digital potentiometer resistance to all channel from EthanP.
5-------------------------------------------------------------------------------------
6Please change correct serial number or IP and port number BEFORE you run example code.
7
8For other examples please check:
9 https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
10See README.md file to get detailed usage of this example.
11
12Copyright (c) 2022-2024 WPC Systems Ltd. All rights reserved.
13'''
14
15## Python
16import asyncio
17
18## WPC
19
20from wpcsys import pywpc
21
22
23async def main():
24 ## Get Python driver version
25 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
26
27 ## Create device handle
28 dev = pywpc.EthanP()
29
30 ## Connect to device
31 try:
32 dev.connect("192.168.1.110") ## Depend on your device
33 except Exception as err:
34 pywpc.printGenericError(err)
35 ## Release device handle
36 dev.close()
37 return
38
39 try:
40 ## Parameters setting
41 port = 0 ## Depend on your device
42 resistance_ratio = [0.5, 0.2, 0.8, 0.7]
43
44 ## Get firmware model & version
45 driver_info = await dev.Sys_getDriverInfo_async()
46 print("Model name: " + driver_info[0])
47 print("Firmware version: " + driver_info[-1])
48
49 ## Open DPOT
50 err = await dev.DPOT_open_async(port)
51 print(f"DPOT_open_async in port {port}, status: {err}")
52
53 ## Write all channels
54 err = await dev.DPOT_writeAllChannel_async(port, resistance_ratio)
55 print(f"DPOT_writeAllChannel_async in port {port}, status: {err}")
56
57 ## Close DPOT
58 err = await dev.DPOT_close_async(port)
59 print(f"DPOT_close_async in port {port}, status: {err}")
60
61 except Exception as err:
62 pywpc.printGenericError(err)
63
64 ## Disconnect device
65 dev.disconnect()
66
67 ## Release device handle
68 dev.close()
69
70 return
71def main_for_spyder(*args):
72 if asyncio.get_event_loop().is_running():
73 return asyncio.create_task(main(*args)).result()
74 else:
75 return asyncio.run(main(*args))
76if __name__ == '__main__':
77 asyncio.run(main()) ## Use terminal
78 # await main() ## Use Jupyter or IPython(>=7.0)
79 # main_for_spyder() ## Use Spyder