In [1]:

    

import ctypes
import os
from time import sleep
import matplotlib.pyplot as plt


    

In [2]:

    

os.chdir('C:\Program Files\Thorlabs\Kinesis')


    

In [3]:

    

lib = ctypes.windll.LoadLibrary(r'C:\Program Files\Thorlabs\Kinesis\ThorLabs.MotionControl.KCube.StrainGauge.dll')


    

In [4]:

    

lib.TLI_BuildDeviceList()


    

    
Out[4]:





0

In [5]:

    

nDev = lib.TLI_GetDeviceListSize()


    

In [6]:

    

devID = 59
TL_cBufSize = 100
sBuf = ctypes.c_buffer(TL_cBufSize)
if lib.TLI_GetDeviceListByTypeExt(sBuf, TL_cBufSize, devID) != 0:
    print("ERROR", "No devices of type {0} found".format(devID))


    

In [7]:

    

sBuf.value.decode().rsplit(",")[0:-1]


    

    
Out[7]:





['59000019']

In [8]:

    

serNr = 59000019
serNrStr= ctypes.c_char_p(serNr.__str__().encode("ascii"))

serNrStrList = sBuf.value.decode().rsplit(",")[0:-1]
if not(serNr.__str__() in serNrStrList):
    print("ERROR", "No device with S/N {0} found".format(serNr))


    

In [9]:

    

lib.SG_Open(serNrStr)


    

    
Out[9]:





0

In [137]:

    

lib.SG_SetZero(serNrStr)


    

    
Out[137]:





0

In [132]:

    

lib.SG_SetDisplayMode(serNrStr,1)


    

    
Out[132]:





0

In [61]:

    

overrange = ctypes.c_bool(0)


    

In [142]:

    

milisec = 10
lib.SG_StartPolling(serNrStr,milisec)


    

    
Out[142]:





1

In [143]:

    

pos = np.array([])
i= 0
while i < 1001:
    sleep(0.01)
    pos = np.append(pos,np.array([lib.SG_GetReadingExt(serNrStr, False, ctypes.byref(overrange))]))
    #print(pos[-1])
    i+=1


    

In [147]:

    

plt.plot(pos[670:]/32767*20.0*1000,'x-')
plt.grid()
plt.ylabel('nm')
plt.show()


    

In [145]:

    

lib.SG_StopPolling(serNrStr)


    

    
Out[145]:





15

In [ ]: