AxsunOCTControl_LW_Python_example.py

This example source code and the aoclw_wrapper.py wrapper file show how to integrate the AxsunOCTControl_LW API in a Python client application via the ctypes library (https://docs.python.org/3/library/ctypes.html).

 
import sys, time
from ctypes import cast, py_object
from aoclw_wrapper import AOCLW_wrapper_class, AxErr
 
 
def ConnectCallbackFunction(userdata):
    obj = cast(userdata, py_object).value
    count = obj.CountDevices()
    print("Devices connected: " + str(count))
    for i in range(0, count):
        print(str(i) + ") "
              + obj.GetDeviceType(i) + "\t"
              + obj.GetSerialNum(i) + "\tFW: "
              + obj.GetFirmwareVersion(i) + "\tvia "
              + obj.GetConnectionType(i))
 
 
try:
    axsun_control = AOCLW_wrapper_class()
    print("Loaded AxsunOCTControl_LW version: " + axsun_control.LWLibVersion() + ", " + axsun_control.axLWBuildDateTime())
 
    axsun_control.RegisterCallback(ConnectCallbackFunction, axsun_control)
 
    axsun_control.OpenUSBInterface(1)
    axsun_control.OpenNetworkInterface(1)
 
    time.sleep(1)
    print("\nWhen DAQ is connected, press ENTER to continue... \n")
    input()  # wait for user input
 
    axsun_control.SetFPGARegister(60, 42, 0)            # set a register (60) to a value (42)
    print(str(axsun_control.GetFPGARegister(60, 0)))    # read back register (60) and print to verify value was written
    axsun_control.SetFPGARegister(60, 0, 0)             # set a register (60) to a value (0)
    print(str(axsun_control.GetFPGARegister(60, 0)))    # read back register (60) and print to verify value was written
 
    # add as many register reads/writes as needed here
    # ...
    # ...
 
except AxErr as error:
    print(error)