def __init__(self, mdt_serial0, mdt_serial1, slm_datafiles, ks_mppm_addr,
powermeter_ports, **kwargs):
# connect the Thorlabs piezo controllers
self.mdt0 = MDT(mdt_serial0)
self.mdt1 = MDT(mdt_serial1)
self.mdt0.SetAllVoltage(20)
self.mdt1.SetAllVoltage(20)
self.__current_set_voltages = [20] * 6
self.limit_voltages = self.get_limit_voltages()
# connect Holoeye SLM
self.slm = slmdisplaysdk.SLMDisplay()
self.slm.utilsSLMPreviewShow()
self.slm_datafiles = slm_datafiles
self.slm_data_handles = self.slm_preload_data_from_file()
self.slmErrorCode = slmdisplaysdk.SLMDisplay.ErrorCode
self.slmShowFlags = slmdisplaysdk.SLMDisplay.ShowFlags
# connect the Keysight multiport powermeter
visa_rm = pyvisa.ResourceManager()
self.ks_mppm = visa_rm.open_resource(ks_mppm_addr)
self.ks_mppm.query('*IDN?')
self.ks_mppm.write('*RST')
self.ks_mppm.query('*TST?')
self.ports_pyindices = np.array(powermeter_ports) - 1
self.nport = len(powermeter_ports)
# other parameters
self.best_ave_effi = 0
self.best_voltages = [0] * 6
time.sleep(1)
# Shows a 2d matrix of grayscale data with data type float (single) on the SLM.
# The gray values have a range from 0 to 1, non-fitting values will be cropped.
import time
# Import the SLM Display SDK:
import detect_heds_module_path
from holoeye import slmdisplaysdk
# Make some enumerations available locally to avoid too much code:
ErrorCode = slmdisplaysdk.SLMDisplay.ErrorCode
ShowFlags = slmdisplaysdk.SLMDisplay.ShowFlags
# Detect SLMs and open a window on the selected SLM:
slm = slmdisplaysdk.SLMDisplay()
# Open the SLM preview window (might have an impact on performance):
slm.utilsSLMPreviewShow()
# Calculate e.g. a vertical blazed grating:
blazePeriod = 77
# Reserve memory for the data:
dataWidth = slm.width_px
dataHeight = slm.height_px
data = slmdisplaysdk.createFieldSingle(dataWidth, dataHeight)
print("dataWidth = " + str(dataWidth))
print("dataHeight = " + str(dataHeight))
# Calculate the data:
def ini_stage(self, controller=None):
"""
Initialize the controller and stages (axes) with given parameters.
============== ================================================ ==========================================================================================
**Parameters** **Type** **Description**
*controller* instance of the specific controller object If defined this hardware will use it and will not initialize its own controller instance
============== ================================================ ==========================================================================================
Returns
-------
Easydict
dictionnary containing keys:
* *info* : string displaying various info
* *controller*: instance of the controller object in order to control other axes without the need to init the same controller twice
* *stage*: instance of the stage (axis or whatever) object
* *initialized*: boolean indicating if initialization has been done corretly
See Also
--------
daq_utils.ThreadCommand
"""
try:
# initialize the stage and its controller status
# controller is an object that may be passed to other instances of DAQ_Move_Mock in case
# of one controller controlling multiaxes
self.status.update(
edict(info="", controller=None, initialized=False))
#check whether this stage is controlled by a multiaxe controller (to be defined for each plugin)
# if mutliaxes then init the controller here if Master state otherwise use external controller
if self.settings.child(
'multiaxes',
'ismultiaxes').value() and self.settings.child(
'multiaxes', 'multi_status').value() == "Slave":
if controller is None:
raise Exception(
'no controller has been defined externally while this axe is a slave one'
)
else:
self.controller = controller
else: #Master stage
self.controller = slmdisplaysdk.SLMDisplay(
) #any object that will control the stages
dataWidth = self.controller.width_px
dataHeight = self.controller.height_px
self.data_uchar = slmdisplaysdk.createFieldUChar(
dataWidth, dataHeight)
info = "Holoeye"
self.status.info = info
self.status.controller = self.controller
self.status.initialized = True
return self.status
except Exception as e:
self.emit_status(
ThreadCommand('Update_Status',
[getLineInfo() + str(e), 'log']))
self.status.info = getLineInfo() + str(e)
self.status.initialized = False
return self.status
def holoeye_slm_detect():
from holoeye import slmdisplaysdk
print("Detecting Holoeye SLM devices (Detection window will pop up)")
slm = slmdisplaysdk.SLMDisplay()
print()
def connect(self):
self.slm_device = slmdisplaysdk.SLMDisplay()
self.slm_device.open() # For version 2.0.1
