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ai.py File Reference

AI Sample More...

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## Namespaces
| ai

## Functions
def | main ()

## Variables
int | AI_RANGE_4_20mA_BURNOUT = 3

## Detailed Description

AI Sample

Copyright
  2019 Moxa Inc. All rights reserved.

Date
  2019-02-11

Author
  William Chang

Version
  V1.0

Library:
AI APIs

1 '''
2 Copyright (C) 2019 Moxa Inc. All rights reserved.
3 SPDX-License-Identifier: Apache-2.0
4
5 AI Python Sample Application
6
7 Date Author Comment
8 2019-02-11 William Chang Created it.
9 '''
10
11
21
22 from ioThinx_4530 import ioThinx_4530_API
23 import argparse
24
25 AI_RANGE_4_20mA_BURNOUT = 3
26
27
28 def main():
29 parser = argparse.ArgumentParser(description="AI sample program.")
30 parser.add_argument("-s", "--slot", dest="ai_slot", type=int, default=1)
31 parser.add_argument("-c", "--channel_start", dest="ai_channel_start", type=int, default=0)
32 parser.add_argument("-n", "--channel_count", dest="ai_channel_count", type=int, default=8)
33 args = parser.parse_args()
34
35 ai_slot = args.ai_slot
36 ai_channel_start = args.ai_channel_start
37 ai_channel_count = args.ai_channel_count
38 print("AI slot = {}".format(ai_slot))
39 print("AI start channel = {}".format(ai_channel_start))
40 print("AI channel count = {}".format(ai_channel_count))
41
42 # initialize ioThinx I/O
43 device = ioThinx_4530_API.ioThinx_4530_API()
44
45 # temporarily set config
46 ai_ranges = [AI_RANGE_4_20mA_BURNOUT] * ai_channel_count
47 device.ioThinx_AI_Config_SetRanges(ai_slot, ai_channel_start, ai_channel_count, ai_ranges)
48 ai_burnouts = [2.0] * ai_channel_count
49 device.ioThinx_AI_Config_SetBurnoutValues(ai_slot, ai_channel_start, ai_channel_count, ai_burnouts)
50
51 # reload config
52 device.ioThinx_IO_Config_Reload()
53
54 # get value
55 while True:
56 ai_engs = device.ioThinx_AI_GetEngs(ai_slot, ai_channel_start, ai_channel_count, )
57 ai_statuss = device.ioThinx_AI_GetStatuss(ai_slot, ai_channel_start, ai_channel_count, )
58 for i in range(ai_channel_count):
59 print("[ {}:{}] eng = {}, status = {}".format(ai_slot, ai_channel_start + i, ai_engs[i], ai_statuss[i]))
60 if input("Press 'q' to exit. other keys to continue") == 'q':
61 break
62
63
64 if __name__ == '__main__':
65 main()

Definition in file ai.py.