1'''
2AI - AI_continuous.py with synchronous mode.
3
4This example demonstrates the process of obtaining AI data in continuous mode with 8 channels from STEM.
5
6To begin with, it demonstrates the steps to open the AI and configure the AI parameters.
7Next, it outlines the procedure for reading the streaming AI data.
8Finally, it concludes by explaining how to close the AI.
9
10If your product is "STEM", please invoke the function `Sys_setAIOMode`and `AI_enableCS`.
11Example: AI_enableCS is {0, 2}
12Subsequently, the returned value of AI_readOnDemand and AI_readStreaming will be displayed as follows.
13data:
14 CH0, CH1, CH2, CH3, CH4, CH5, CH6, CH7, CH0, CH1, CH2, CH3, CH4, CH5, CH6, CH7
15 | | |
16 |---------------- CS0-----------------|---------------- CS2------------------|
17[sample0]
18[sample1]
19 .
20 .
21 .
22[sampleN]
23
24-------------------------------------------------------------------------------------
25Please change correct serial number or IP and port number BEFORE you run example code.
26
27For other examples please check:
28 https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
29See README.md file to get detailed usage of this example.
30
31Copyright (c) 2022-2025 WPC Systems Ltd. All rights reserved.
32'''
33
34## WPC
35from wpcsys import pywpc
36
37## Python
38import time
39
40
41def main():
42 ## Get Python driver version
43 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
44
45 ## Create device handle
46 dev = pywpc.STEM()
47
48 ## Connect to device
49 try:
50 dev.connect("192.168.1.110") ## Depend on your device
51 except Exception as err:
52 pywpc.printGenericError(err)
53 ## Release device handle
54 dev.close()
55 return
56
57 try:
58 ## Parameters setting
59 slot = 1 ## Connect AIO module to slot
60 mode = 2 ## 0: On demand, 1: N-samples, 2: Continuous
61 sampling_rate = 200
62 read_points = 200
63 read_delay = 0.2 ## [sec]
64 timeout = 3 ## [sec]
65 chip_select = [0, 1]
66
67 ## Get firmware model & version
68 driver_info = dev.Sys_getDriverInfo(timeout)
69 print(f"Model name: {driver_info[0]}, Firmware version: {driver_info[-1]} ")
70
71 ## Get slot mode
72 slot_mode = dev.Sys_getMode(slot, timeout)
73 print("Slot mode:", slot_mode)
74
75 ## If the slot mode is not set to "AIO", set the slot mode to "AIO"
76 if slot_mode != "AIO":
77 err = dev.Sys_setAIOMode(slot, timeout)
78 print(f"Sys_setAIOMode in slot {slot}, status: {err}")
79
80 ## Get slot mode
81 slot_mode = dev.Sys_getMode(slot, timeout)
82 print("Slot mode:", slot_mode)
83
84 ## Open AI
85 err = dev.AI_open(slot, timeout)
86 print(f"AI_open in slot {slot}, status: {err}")
87
88 ## Enable CS
89 err = dev.AI_enableCS(slot, chip_select, timeout)
90 print(f"AI_enableCS in slot {slot}, status: {err}")
91
92 ## Set AI acquisition mode to continuous mode (2)
93 err = dev.AI_setMode(slot, mode, timeout)
94 print(f"AI_setMode {mode} in slot {slot}, status: {err}")
95
96 ## Set AI sampling rate
97 err = dev.AI_setSamplingRate(slot, sampling_rate, timeout)
98 print(f"AI_setSamplingRate {sampling_rate} in slot {slot}, status: {err}")
99
100 ## Open AI streaming
101 err = dev.AI_openStreaming(slot, timeout)
102 print(f"AI_openStreaming in slot {slot}, status: {err}")
103
104 ## Start AI streaming
105 err = dev.AI_startStreaming(slot, timeout)
106 print(f"AI_startStreaming in slot {slot}, status: {err}")
107
108 ## Wait a while for data acquisition
109 time.sleep(1) ## delay [sec]
110
111 ## Stop AI
112 err = dev.AI_stop(slot, timeout)
113 print(f"AI_stop in slot {slot}, status: {err}")
114
115 data_len = 1
116 while data_len > 0:
117 ## Read data acquisition
118 ai_2Dlist = dev.AI_readStreaming(slot, read_points, read_delay)
119 print(f"number of samples = {len(ai_2Dlist)}")
120
121 ## Update data len
122 data_len = len(ai_2Dlist)
123
124 ## Close AI streaming
125 err = dev.AI_closeStreaming(slot, timeout)
126 print(f"AI_closeStreaming in slot {slot}, status: {err}")
127 except Exception as err:
128 pywpc.printGenericError(err)
129
130 finally:
131 ## Disconnect device
132 dev.disconnect()
133
134 ## Release device handle
135 dev.close()
136
137
138if __name__ == '__main__':
139 main()