AI continuous multi slot

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