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picam.py
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# -*- coding: utf-8 -*-
'''
#inspered by author: sabbi
#11/10/2021
'''
import ctypes
import numpy as np
import os
# import cv2
import threading
import time
os.environ["GENICAM_ROOT_V2_4"] = "/opt/pleora/ebus_sdk/x86_64/lib/genicam/" #declaration needed for Linux SDK
lock = threading.Lock()
def calcParam(v,c,n):
return (((c)<<24)+((v)<<16)+(n))
PicamValueType = {
"Integer": 1,
"Boolean": 3,
"Enumeration": 4,
"LargeInteger": 6,
"FloatingPoint": 2,
"Rois": 5,
"Pulse": 7,
"Modulations": 8
}
PicamValueTypeLookup = dict(zip(PicamValueType.values(), PicamValueType.keys()))
PicamConstraintType = {
"None": 1,
"Range": 2,
"Collection": 3,
"Rois": 4,
"Pulse": 5,
"Modulations": 6
}
PicamConstraintTypeLookup = dict(zip(PicamConstraintType.values(), PicamConstraintType.keys()))
PI_V = lambda v, c, n: (PicamConstraintType[c] << 24) + (PicamValueType[v] << 16) + n
PicamParameter = {
"PicamParameter_ExposureTime" :PI_V("FloatingPoint", "Range", 23),
"PicamParameter_ShutterTimingMode" : PI_V("Enumeration", "Collection", 24),
"PicamParameter_ShutterOpeningDelay" : PI_V("FloatingPoint", "Range", 46),
"PicamParameter_ShutterClosingDelay" : PI_V("FloatingPoint", "Range", 25),
"PicamParameter_ShutterDelayResolution" : PI_V("FloatingPoint", "Collection", 47),
"PicamParameter_InternalShutterType" : PI_V("Enumeration", "None", 139),
"PicamParameter_InternalShutterStatus" : PI_V("Enumeration", "None", 153),
"PicamParameter_ExternalShutterType" : PI_V("Enumeration", "None", 152),
"PicamParameter_ExternalShutterStatus" : PI_V("Enumeration", "None", 154),
"PicamParameter_ActiveShutter" : PI_V("Enumeration", "Collection", 155),
"PicamParameter_InactiveShutterTimingModeResult" : PI_V("Enumeration", "None", 156),
"PicamParameter_GatingMode" : PI_V("Enumeration", "Collection", 93),
"PicamParameter_RepetitiveGate" : PI_V("Pulse", "Pulse", 94),
"PicamParameter_SequentialStartingGate" : PI_V("Pulse", "Pulse", 95),
"PicamParameter_SequentialEndingGate" : PI_V("Pulse", "Pulse", 96),
"PicamParameter_SequentialGateStepCount" : PI_V("LargeInteger", "Range", 97),
"PicamParameter_SequentialGateStepIterations" : PI_V("LargeInteger", "Range", 98),
"PicamParameter_DifStartingGate" : PI_V("Pulse", "Pulse", 102),
"PicamParameter_DifEndingGate" : PI_V("Pulse", "Pulse", 103),
"PicamParameter_EnableIntensifier" : PI_V("Boolean", "Collection", 86),
"PicamParameter_IntensifierStatus" : PI_V("Enumeration", "None", 87),
"PicamParameter_IntensifierGain" : PI_V("Integer", "Range", 88),
"PicamParameter_EMIccdGainControlMode" : PI_V("Enumeration", "Collection", 123),
"PicamParameter_EMIccdGain" : PI_V("Integer", "Range", 124),
"PicamParameter_PhosphorDecayDelay" : PI_V("FloatingPoint", "Range", 89),
"PicamParameter_PhosphorDecayDelayResolution_" : PI_V("FloatingPoint", "Collection", 90),
"PicamParameter_BracketGating" : PI_V("Boolean", "Collection", 100),
"PicamParameter_IntensifierOptions" : PI_V("Enumeration", "None", 101),
"PicamParameter_EnableModulation" : PI_V("Boolean", "Collection", 111),
"PicamParameter_ModulationDuration" : PI_V("FloatingPoint", "Range", 118),
"PicamParameter_ModulationFrequency" : PI_V("FloatingPoint", "Range", 112),
"PicamParameter_RepetitiveModulationPhase" : PI_V("FloatingPoint", "Range", 113),
"PicamParameter_SequentialStartingModulationPhase" : PI_V("FloatingPoint", "Range", 114),
"PicamParameter_SequentialEndingModulationPhase" : PI_V("FloatingPoint", "Range", 115),
"PicamParameter_CustomModulationSequence" : PI_V("Modulations", "Modulations", 119),
"PicamParameter_PhotocathodeSensitivity" : PI_V("Enumeration", "None", 107),
"PicamParameter_GatingSpeed" : PI_V("Enumeration", "None", 108),
"PicamParameter_PhosphorType" : PI_V("Enumeration", "None", 109),
"PicamParameter_IntensifierDiameter" : PI_V("FloatingPoint", "None", 110),
"PicamParameter_AdcSpeed" : PI_V("FloatingPoint", "Collection", 33),
"PicamParameter_AdcBitDepth" : PI_V("Integer", "Collection", 34),
"PicamParameter_AdcAnalogGain" : PI_V("Enumeration", "Collection", 35),
"PicamParameter_AdcQuality" : PI_V("Enumeration", "Collection", 36),
"PicamParameter_AdcEMGain" : PI_V("Integer", "Range", 53),
"PicamParameter_CorrectPixelBias" : PI_V("Boolean", "Collection", 106),
"PicamParameter_TriggerSource" : PI_V("Enumeration", "Collection", 79),
"PicamParameter_TriggerResponse" : PI_V("Enumeration", "Collection", 30),
"PicamParameter_TriggerDetermination" : PI_V("Enumeration", "Collection", 31),
"PicamParameter_TriggerFrequency" : PI_V("FloatingPoint", "Range", 80),
"PicamParameter_TriggerTermination" : PI_V("Enumeration", "Collection", 81),
"PicamParameter_TriggerCoupling" : PI_V("Enumeration", "Collection", 82),
"PicamParameter_TriggerThreshold" : PI_V("FloatingPoint", "Range", 83),
"PicamParameter_TriggerDelay" : PI_V("FloatingPoint", "Range", 164),
"PicamParameter_OutputSignal" : PI_V("Enumeration", "Collection", 32),
"PicamParameter_InvertOutputSignal" : PI_V("Boolean", "Collection", 52),
"PicamParameter_OutputSignal2" : PI_V("Enumeration", "Collection", 150),
"PicamParameter_InvertOutputSignal2" : PI_V("Boolean", "Collection", 151),
"PicamParameter_EnableAuxOutput" : PI_V("Boolean", "Collection", 161),
"PicamParameter_AuxOutput" : PI_V("Pulse", "Pulse", 91),
"PicamParameter_EnableSyncMaster" : PI_V("Boolean", "Collection", 84),
"PicamParameter_SyncMaster2Delay" : PI_V("FloatingPoint", "Range", 85),
"PicamParameter_EnableModulationOutputSignal" : PI_V("Boolean", "Collection", 116),
"PicamParameter_ModulationOutputSignalFrequency" : PI_V("FloatingPoint", "Range", 117),
"PicamParameter_ModulationOutputSignalAmplitude" : PI_V("FloatingPoint", "Range", 120),
"PicamParameter_AnticipateTrigger" : PI_V("Boolean", "Collection", 131),
"PicamParameter_DelayFromPreTrigger" : PI_V("FloatingPoint", "Range", 132),
"PicamParameter_ReadoutControlMode" : PI_V("Enumeration", "Collection", 26),
"PicamParameter_ReadoutTimeCalculation" : PI_V("FloatingPoint", "None", 27),
"PicamParameter_ReadoutPortCount" : PI_V("Integer", "Collection", 28),
"PicamParameter_ReadoutOrientation" : PI_V("Enumeration", "None", 54),
"PicamParameter_KineticsWindowHeight" : PI_V("Integer", "Range", 56),
"PicamParameter_SeNsRWindowHeight" : PI_V("Integer", "Range", 163),
"PicamParameter_VerticalShiftRate" : PI_V("FloatingPoint", "Collection", 13),
"PicamParameter_Accumulations" : PI_V("LargeInteger", "Range", 92),
"PicamParameter_EnableNondestructiveReadout" : PI_V("Boolean", "Collection", 128),
"PicamParameter_NondestructiveReadoutPeriod" : PI_V("FloatingPoint", "Range", 129),
"PicamParameter_Rois" : PI_V("Rois", "Rois", 37),
"PicamParameter_NormalizeOrientation" : PI_V("Boolean", "Collection", 39),
"PicamParameter_DisableDataFormatting" : PI_V("Boolean", "Collection", 55),
"PicamParameter_ReadoutCount" : PI_V("LargeInteger", "Range", 40),
"PicamParameter_ExactReadoutCountMaximum" : PI_V("LargeInteger", "None", 77),
"PicamParameter_PhotonDetectionMode" : PI_V("Enumeration", "Collection", 125),
"PicamParameter_PhotonDetectionThreshold" : PI_V("FloatingPoint", "Range", 126),
"PicamParameter_PixelFormat" : PI_V("Enumeration", "Collection", 41),
"PicamParameter_FrameSize" : PI_V("Integer", "None", 42),
"PicamParameter_FrameStride" : PI_V("Integer", "None", 43),
"PicamParameter_FramesPerReadout" : PI_V("Integer", "None", 44),
"PicamParameter_ReadoutStride" : PI_V("Integer", "None", 45),
"PicamParameter_PixelBitDepth" : PI_V("Integer", "None", 48),
"PicamParameter_ReadoutRateCalculation" : PI_V("FloatingPoint", "None", 50),
"PicamParameter_OnlineReadoutRateCalculation" : PI_V("FloatingPoint", "None", 99),
"PicamParameter_FrameRateCalculation" : PI_V("FloatingPoint", "None", 51),
"PicamParameter_Orientation" : PI_V("Enumeration", "None", 38),
"PicamParameter_TimeStamps" : PI_V("Enumeration", "Collection", 68),
"PicamParameter_TimeStampResolution" : PI_V("LargeInteger", "Collection", 69),
"PicamParameter_TimeStampBitDepth" : PI_V("Integer", "Collection", 70),
"PicamParameter_TrackFrames" : PI_V("Boolean", "Collection", 71),
"PicamParameter_FrameTrackingBitDepth" : PI_V("Integer", "Collection", 72),
"PicamParameter_GateTracking" : PI_V("Enumeration", "Collection", 104),
"PicamParameter_GateTrackingBitDepth" : PI_V("Integer", "Collection", 105),
"PicamParameter_ModulationTracking" : PI_V("Enumeration", "Collection", 121),
"PicamParameter_ModulationTrackingBitDepth" : PI_V("Integer", "Collection", 122),
"PicamParameter_SensorType" : PI_V("Enumeration", "None", 57),
"PicamParameter_CcdCharacteristics" : PI_V("Enumeration", "None", 58),
"PicamParameter_SensorActiveWidth" : PI_V("Integer", "None", 59),
"PicamParameter_SensorActiveHeight" : PI_V("Integer", "None", 60),
"PicamParameter_SensorActiveExtendedHeight" : PI_V("Integer", "None", 159),
"PicamParameter_SensorActiveLeftMargin" : PI_V("Integer", "None", 61),
"PicamParameter_SensorActiveTopMargin" : PI_V("Integer", "None", 62),
"PicamParameter_SensorActiveRightMargin" : PI_V("Integer", "None", 63),
"PicamParameter_SensorActiveBottomMargin" : PI_V("Integer", "None", 64),
"PicamParameter_SensorMaskedHeight" : PI_V("Integer", "None", 65),
"PicamParameter_SensorMaskedTopMargin" : PI_V("Integer", "None", 66),
"PicamParameter_SensorMaskedBottomMargin" : PI_V("Integer", "None", 67),
"PicamParameter_SensorSecondaryMaskedHeight" : PI_V("Integer", "None", 49),
"PicamParameter_SensorSecondaryActiveHeight" : PI_V("Integer", "None", 74),
"PicamParameter_PixelWidth" : PI_V("FloatingPoint", "None", 9),
"PicamParameter_PixelHeight" : PI_V("FloatingPoint", "None", 10),
"PicamParameter_PixelGapWidth" : PI_V("FloatingPoint", "None", 11),
"PicamParameter_PixelGapHeight" : PI_V("FloatingPoint", "None", 12),
"PicamParameter_ApplicableStarDefectMapID" : PI_V("Integer", "None", 166),
"PicamParameter_ActiveWidth" : PI_V("Integer", "Range", 1),
"PicamParameter_ActiveHeight" : PI_V("Integer", "Range", 2),
"PicamParameter_ActiveExtendedHeight" : PI_V("Integer", "Range", 160),
"PicamParameter_ActiveLeftMargin" : PI_V("Integer", "Range", 3),
"PicamParameter_ActiveTopMargin" : PI_V("Integer", "Range", 4),
"PicamParameter_ActiveRightMargin" : PI_V("Integer", "Range", 5),
"PicamParameter_ActiveBottomMargin" : PI_V("Integer", "Range", 6),
"PicamParameter_MaskedHeight" : PI_V("Integer", "Range", 7),
"PicamParameter_MaskedTopMargin" : PI_V("Integer", "Range", 8),
"PicamParameter_MaskedBottomMargin" : PI_V("Integer", "Range", 73),
"PicamParameter_SecondaryMaskedHeight" : PI_V("Integer", "Range", 75),
"PicamParameter_SecondaryActiveHeight" : PI_V("Integer", "Range", 76),
"PicamParameter_CleanSectionFinalHeight" : PI_V("Integer", "Range", 17),
"PicamParameter_CleanSectionFinalHeightCount" : PI_V("Integer", "Range", 18),
"PicamParameter_CleanSerialRegister" : PI_V("Boolean", "Collection", 19),
"PicamParameter_CleanCycleCount" : PI_V("Integer", "Range", 20),
"PicamParameter_CleanCycleHeight" : PI_V("Integer", "Range", 21),
"PicamParameter_CleanBeforeExposure" : PI_V("Boolean", "Collection", 78),
"PicamParameter_CleanUntilTrigger" : PI_V("Boolean", "Collection", 22),
"PicamParameter_StopCleaningOnPreTrigger" : PI_V("Boolean", "Collection", 130),
"PicamParameter_SensorTemperatureSetPoint" : PI_V("FloatingPoint", "Range", 14),
"PicamParameter_SensorTemperatureReading" : PI_V("FloatingPoint", "None", 15),
"PicamParameter_SensorTemperatureStatus" : PI_V("Enumeration", "None", 16),
"PicamParameter_DisableCoolingFan" : PI_V("Boolean", "Collection", 29),
"PicamParameter_CoolingFanStatus" : PI_V("Enumeration", "None", 162),
"PicamParameter_EnableSensorWindowHeater" : PI_V("Boolean", "Collection", 127),
"PicamParameter_VacuumStatus" : PI_V("Enumeration", "None", 165),
"PicamParameter_CenterWavelengthSetPoint" : PI_V("FloatingPoint", "Range", 140),
"PicamParameter_CenterWavelengthReading" : PI_V("FloatingPoint", "None", 141),
"PicamParameter_CenterWavelengthStatus" : PI_V("Enumeration", "None", 149),
"PicamParameter_GratingType" : PI_V("Enumeration", "None", 142),
"PicamParameter_GratingCoating" : PI_V("Enumeration", "None", 143),
"PicamParameter_GratingGrooveDensity" : PI_V("FloatingPoint", "None", 144),
"PicamParameter_GratingBlazingWavelength" : PI_V("FloatingPoint", "None", 145),
"PicamParameter_FocalLength" : PI_V("FloatingPoint", "None", 146),
"PicamParameter_InclusionAngle" : PI_V("FloatingPoint", "None", 147),
"PicamParameter_SensorAngle" : PI_V("FloatingPoint", "None", 148),
"PicamParameter_LaserOutputMode" : PI_V("Enumeration", "Collection", 137),
"PicamParameter_LaserPower" : PI_V("FloatingPoint", "Range", 138),
"PicamParameter_LaserWavelength" : PI_V("FloatingPoint", "None", 167),
"PicamParameter_LaserStatus" : PI_V("Enumeration", "None", 157),
"PicamParameter_InputTriggerStatus" : PI_V("Enumeration", "None", 158),
"PicamParameter_LightSource" : PI_V("Enumeration", "Collection", 133),
"PicamParameter_LightSourceStatus" : PI_V("Enumeration", "None", 134),
"PicamParameter_Age " : PI_V("FloatingPoint", "None", 135),
"PicamParameter_LifeExpectancy" : PI_V("FloatingPoint", "None", 136)
}
PicamValueAccess = {
"ReadOnly": 1,
"ReadWriteTrivial": 3,
"ReadWrite": 2
}
PicamValueAccessLookup = dict(zip(PicamValueAccess.values(), PicamValueAccess.keys()))
PicamStringSize = {
"SensorName": 64,
"SerialNumber": 64,
"FirmwareName": 64,
"FirmwareDetail": 256
}
PicamStringSizeLookup = dict(zip(PicamStringSize.values(), PicamStringSize.keys()))
#check picam.h for parameter definitions
# paramFrames = ctypes.c_int(calcParam(6,2,40)) #PicamParameter_ReadoutCount
# paramStride = ctypes.c_int(calcParam(1,1,45)) #PicamParameter_ReadoutStride
# paramROIs = ctypes.c_int(calcParam(5, 4, 37)) #PicamParameter_Rois
# paramReadRate=ctypes.c_int(calcParam(2,1,50)) #PicamParameter_ReadoutRateCalculation
# paramExpose=ctypes.c_int(calcParam(2,2,23)) #PicamParameter_ExposureTime
paramFrames = ctypes.c_int(calcParam(6,2,40)) #PicamParameter_ReadoutCount
'''PicamParameter_ReadoutCount'''
paramStride = ctypes.c_int(calcParam(1,1,45)) #PicamParameter_ReadoutStride
paramFrameSize = ctypes.c_int(calcParam(1,1,42))
paramFrameStride = ctypes.c_int(calcParam(1,1,43))
paramFramesPerRead = ctypes.c_int(calcParam(1,1,44))
paramROIs = ctypes.c_int(calcParam(5, 4, 37)) #PicamParameter_Rois
paramReadRate=ctypes.c_int(calcParam(2,1,50)) #PicamParameter_ReadoutRateCalculation
paramExpose=ctypes.c_int(calcParam(2,2,23)) #PicamParameter_ExposureTime
paramRepetitiveGate=ctypes.c_int(calcParam(7,5,94))
paramReadoutControlMode=ctypes.c_int(calcParam(4,3,26))
paramActiveWidth=ctypes.c_int(calcParam(1,2,1))
paramActiveHeight=ctypes.c_int(calcParam(1,2,2))
paramTopMargin=ctypes.c_int(calcParam(1,2,4))
paramBottomMargin=ctypes.c_int(calcParam(1,2,6))
paramLeftMargin=ctypes.c_int(calcParam(1,2,3))
paramRightMargin=ctypes.c_int(calcParam(1,2,5))
paramMaskHeight=ctypes.c_int(calcParam(1,2,7))
paramMaskTopMargin=ctypes.c_int(calcParam(1,2,8))
paramMaskBottomMargin=ctypes.c_int(calcParam(1,2,73))
paramCorrectPixelBias=ctypes.c_int(calcParam(3,3,106))
paramVerticalShiftRate=ctypes.c_int(calcParam(2,3,13))
paramCleanUntilTrigger=ctypes.c_int(calcParam(3,3,22))
paramCleanSerialRegister=ctypes.c_int(calcParam(3,3,19))
paramCleanBeforeExposure=ctypes.c_int(calcParam(3,3,78))
paramAdcSpeed=ctypes.c_int(calcParam(2,3,33))
paramAdcQuality=ctypes.c_int(calcParam(4,3,36))
paramAdcGain=ctypes.c_int(calcParam(4,3,35))
paramAdcBitDepth=ctypes.c_int(calcParam(1,3,34))
paramReadoutPortCount=ctypes.c_int(calcParam(1,3,28))
paramSensorActiveWidth = ctypes.c_int(calcParam(1,1,59))
paramSensorActiveHeight = ctypes.c_int(calcParam(1,1,60))
paramShutterClosingDelay=ctypes.c_int(calcParam(2,2,25))
paramShutterOpeningDelay=ctypes.c_int(calcParam(2,2,46))
paramSensorTemperatureReading = ctypes.c_int(calcParam(2,1,15))
paramSensorTemperatureSetPoint = ctypes.c_int(calcParam(2,2,14))
paramSensorTemperatureStatus = ctypes.c_int(calcParam(4,1,16))
#metadata related
paramTimeStamps = ctypes.c_int(calcParam(4,3,68))
paramTimeStampResolution = ctypes.c_int(calcParam(6,3,69))
paramTimeStampBitDepth = ctypes.c_int(calcParam(1,3,70))
paramTrackFrames = ctypes.c_int(calcParam(3,3,71))
paramFrameTrackingBitDepth = ctypes.c_int(calcParam(1,3,72))
#opencv related functions
def WindowSize(numRows,numCols):
aspect = 1
if numRows > 1080:
aspect = int(numRows/1080)
elif numCols > 1920:
aspect = int(numCols/1920)
winWidth = int(numCols/aspect)
winHeight = int(numRows/aspect)
return winWidth, winHeight
class camIDStruct(ctypes.Structure):
_fields_=[
('model', ctypes.c_int),
('computer_interface', ctypes.c_int),
('sensor_name', ctypes.c_char * 64),
('serial_number', ctypes.c_char * 64)]
class availableData(ctypes.Structure):
_fields_=[
('initial_readout', ctypes.c_void_p),
('readout_count', ctypes.c_longlong)]
class acqStatus(ctypes.Structure):
_fields_=[
('running', ctypes.c_bool),
('errors', ctypes.c_int),
('readout_rate',ctypes.c_double)]
class acqBuf(ctypes.Structure):
_fields_=[
('memory', ctypes.c_void_p),
('memory_size',ctypes.c_longlong)]
class roiStruct(ctypes.Structure):
_fields_=[
('x', ctypes.c_int),
('width', ctypes.c_int),
('x_binning', ctypes.c_int),
('y', ctypes.c_int),
('height', ctypes.c_int),
('y_binning', ctypes.c_int)]
class roisStruct(ctypes.Structure):
_fields_=[
('roi_array', ctypes.c_void_p),
('roi_count', ctypes.c_int)]
class PicamPulse(ctypes.Structure):
_fields_ = [("delay", ctypes.c_double),
("width", ctypes.c_double)]
class PicamModulation(ctypes.Structure):
_fields_ = [("duration", ctypes.c_double),
("frequency", ctypes.c_double),
("phase", ctypes.c_double),
("output_signal_frequency", ctypes.c_double)]
class PicamModulations(ctypes.Structure):
_fields_ = [("modulation_array", ctypes.POINTER(PicamModulation)),
("modulation_count", ctypes.c_int)]
class PicamCameraID(ctypes.Structure):
_fields_ = [("model", ctypes.c_int),
("computer_interface", ctypes.c_int),
("sensor_name", ctypes.c_char * 64),
("serial_number", ctypes.c_char * 64)]
class PicamAvailableData(ctypes.Structure):
_fields_ = [("initial_readout", ctypes.c_void_p),
("readout_count", ctypes.c_int64)]
class PicamAcquisitionStatus(ctypes.Structure):
_fields_ = [("running", ctypes.c_bool),
("errors", ctypes.c_int),
("readout_rate", ctypes.c_double)]
class PicamRoi(ctypes.Structure):
_fields_ = [("x", ctypes.c_int),
("width", ctypes.c_int),
("x_binning", ctypes.c_int),
("y", ctypes.c_int),
("height", ctypes.c_int),
("y_binning", ctypes.c_int)]
class PicamRois(ctypes.Structure):
_fields_ = [("roi_array", ctypes.POINTER(PicamRoi)),
("roi_count", ctypes.c_int)]
class Camera():
def __init__(self,*,libPath: str='C:/Users/UPX/Desktop/python/PICam/Picam.dll'):#C:/Program Files/Princeton Instruments/PICam/Runtime/Picam.dll'): #class will instantiate and initialize PICam
self.cam = ctypes.c_void_p(0)
self.dev = ctypes.c_void_p(0)
self.camID = camIDStruct(0,0,b'',b'')
self.camIDs = None
self.numRows = ctypes.c_int(0)
self.numCols = ctypes.c_int(0)
self.readRate = ctypes.c_double(0)
pathToLib = os.path.join(os.environ["PicamRoot"], "Runtime")
pathToLib = os.path.join(pathToLib, "Picam.dll")
#print( 'dll file: ',pathToLib)
self.picamLib = ctypes.CDLL(pathToLib, winmode=0) #cdll.LoadLibrary(pathToLib) # add winmode see :https://syntaxbug.com/ea75a69575/
self.counter = 0
self.totalData = np.array([])
self.newestFrame = np.array([])
self.rStride = ctypes.c_int(0)
self.display = False
self.runningStatus = ctypes.c_bool(False)
self.windowName = ''
self.circBuff = circBuff = ctypes.ARRAY(ctypes.c_ubyte,0)()
self.aBuf = acqBuf(0,0)
self.Initialize()
def AcquisitionUpdated(self, device, available, status): #PICam will launch callback in another thread
with lock:
if status.contents.running:
self.ProcessData(available.contents, self.rStride.value, saveAll = False)
self.runningStatus = status.contents.running
return 0
def ResetCount(self):
self.counter = 0
self.totalData = np.array([])
def GetReadRate(self):
self.picamLib.Picam_GetParameterFloatingPointValue(self.cam,paramReadRate,ctypes.byref(self.readRate))
def Initialize(self):
initCheck = ctypes.c_bool(0)
self.picamLib.Picam_InitializeLibrary()
self.picamLib.Picam_IsLibraryInitialized(ctypes.byref(initCheck))
if initCheck:
#version check if PICam successfully initialized
major = ctypes.c_int(0)
minor = ctypes.c_int(0)
distribution = ctypes.c_int(0)
released = ctypes.c_int(0)
self.picamLib.Picam_GetVersion(ctypes.byref(major),ctypes.byref(minor),ctypes.byref(distribution),ctypes.byref(released))
print('PICam Initialized: %r'%initCheck.value)
print("\tVersion Picam dll %d.%d.%d.%d"%(major.value, minor.value, distribution.value, released.value))
def Uninitialize(self):
self.picamLib.Picam_UninitializeLibrary()
def GetFirstROI(self): #working with single ROI for basic demonstration
rois = ctypes.c_void_p(0)
self.picamLib.Picam_GetParameterRoisValue(self.cam, paramROIs, ctypes.byref(rois))
roisCast = ctypes.cast(rois,ctypes.POINTER(roisStruct))[0]
roiCast = ctypes.cast(roisCast.roi_array,ctypes.POINTER(roiStruct))[0] #take first ROI
self.numCols = int(roiCast.width/roiCast.x_binning)
self.numRows = int(roiCast.height/roiCast.y_binning)
self.picamLib.Picam_DestroyRois(rois)
self.w = self.getParameter("PicamParameter_ActiveWidth")
self.h = self.getParameter("PicamParameter_ActiveHeight")
self.totalFrameSize = self.w * self.h
def Commit(self,*,printMessage: bool=True):
paramArray = ctypes.pointer(ctypes.c_int(0))
failedCount = ctypes.c_int(1)
self.picamLib.Picam_CommitParameters(self.cam, ctypes.byref(paramArray), ctypes.byref(failedCount))
if failedCount.value > 0:
print('Failed to commit %d parameters. Cannot acquire.'%(failedCount.value))
return False
else:
self.GetReadRate()
if printMessage:
pass
#print('\tCommit successful! Current readout rate: %0.2f readouts/sec'%(self.readRate.value))
return True
def OpenFirstCamera(self):#,*,model: int=57): #if a connected camera is found, opens the first one, otherwise opens a demo
if self.picamLib.Picam_OpenFirstCamera(ctypes.byref(self.cam)) > 0:
self.picamLib.Picam_ConnectDemoCamera(57,b'SLTest',ctypes.byref(self.camID))
if self.picamLib.Picam_OpenCamera(ctypes.byref(self.camID),ctypes.byref(self.cam)) > 0:
print('No camera could be opened. Uninitializing.')
self.Uninitialize()
self.oneCameraConnected=False
return self.oneCameraConnected
else:
self.picamLib.Picam_GetCameraID(self.cam,ctypes.byref(self.camID))
else:
self.picamLib.Picam_GetCameraID(self.cam,ctypes.byref(self.camID))
print('Open First camera avaible : Camera Sensor: %s, Serial #: %s'%(self.camID.sensor_name.decode('utf-8'),self.camID.serial_number.decode('utf-8')))
self.GetFirstROI()
#print('\tFirst ROI: %d (cols) x %d (rows)'%(self.numCols,self.numRows))
def OpenCamerabySerial(self,serial=0):
if serial==0 or serial==None:
self.OpenFirstCamera()
else :
self.camIDs = ctypes.pointer(PicamCameraID())
id_count = ctypes.c_int()
self.picamLib.Picam_GetAvailableCameraIDs(ctypes.byref(self.camIDs),ctypes.pointer(id_count))
serialNumber=[]
sensorName=[]
modele=[]
self.oneCameraConnected=False
for i in range(id_count.value): # à supprimer si la camera est une MTE ?
modele.append(self.camIDs[i].model) # picam.h for model
sensorName.append(self.camIDs[i].sensor_name.decode('utf-8'))
serialNumber.append(self.camIDs[i].serial_number.decode('utf-8'))
if serial==self.camIDs[i].serial_number.decode('utf-8'):
self.camID=self.camIDs[i]
if self.picamLib.Picam_OpenCamera(ctypes.byref(self.camID),ctypes.byref(self.cam)) > 0:
print('No camera could be opened.')
self.oneCameraConnected=False
else :
print('camera s/n:',self.camIDs[i].serial_number.decode('utf-8'),'sensor :', self.camIDs[i].sensor_name.decode('utf-8'),'connected ')
self.oneCameraConnected=True
self.GetFirstROI()
print(id_count.value,' camera (s) available:',sensorName,serialNumber)
if self.oneCameraConnected==False:
self.oneCameraConnected=self.OpenFirstCamera()
return self.oneCameraConnected
def getSerialNumber(self):
return self.camID.serial_number.decode('utf-8')
def getAvailableCameras(self):
if self.camIDs is not None and not isinstance(self.camIDs, list):
self.picamLib.Picam_DestroyCameraIDs(self.camIDs)
self.camIDs = None
# get connected cameras
self.camIDs = ctypes.pointer(PicamCameraID())
id_count = ctypes.c_int()
self.picamLib.Picam_GetAvailableCameraIDs(ctypes.byref(self.camIDs),ctypes.pointer(id_count))
#print(id_count.value,self.camIDs)
serialNumber=[]
sensorName=[]
modele=[]
for i in range(id_count.value): # à supprimer si la camera est une MTE
# print(' Model is ', pit.PicamModelLookup[self.camIDs[i].model])
modele.append(self.camIDs[i].model) # picam.h for model
sensorName.append(self.camIDs[i].sensor_name.decode('utf-8'))
serialNumber.append(self.camIDs[i].serial_number.decode('utf-8'))
return(modele,sensorName,serialNumber)
def SetExposure(self, value):
self.setParameter("PicamParameter_ExposureTime",value)
print("exposure set to :",self.GetExposure())
def GetExposure(self):
exp=self.getParameter("PicamParameter_ExposureTime")
# print("Exposure is :",exp)
return exp
def setParameter(self, name, value):
prm =PicamParameter[name]
exists = ctypes.c_bool()
self.picamLib.Picam_DoesParameterExist(self.cam, prm, ctypes.pointer(exists))
if not exists:
print("Ignoring parameter", name)
print(" Parameter does not exist for current camera!")
return
access = ctypes.c_int()
self.picamLib.Picam_GetParameterValueAccess(self.cam, prm, ctypes.pointer(access))
if PicamValueAccessLookup[access.value] not in ["ReadWrite", "ReadWriteTrivial"]:
print("Ignoring parameter", name)
print(" Not allowed to overwrite parameter!")
return
if PicamValueAccessLookup[access.value] == "ReadWriteTrivial":
print("WARNING: Parameter", name, " allows only one value!")
# get type of parameter
type = ctypes.c_int()
self.picamLib.Picam_GetParameterValueType(self.cam, prm, ctypes.pointer(type))
if type.value not in PicamValueTypeLookup:
print("Ignoring parameter", name)
print(" Not a valid parameter type:", type.value)
return
if PicamValueTypeLookup[type.value] in ["Integer", "Boolean", "Enumeration"]:
val = ctypes.c_int(value)
self.picamLib.Picam_SetParameterIntegerValue(self.cam, prm, val)
if PicamValueTypeLookup[type.value] == "LargeInteger":
val = ctypes.c_int64(value)
self.picamLib.Picam_SetParameterLargeIntegerValue(self.cam, prm, val)
if PicamValueTypeLookup[type.value] == "FloatingPoint":
val = ctypes.c_double(value)
self.picamLib.Picam_SetParameterFloatingPointValue(self.cam, prm, val)
if PicamValueTypeLookup[type.value] == "Rois":
self.picamLib.Picam_SetParameterRoisValue(self.cam, prm, ctypes.pointer(value))
if PicamValueTypeLookup[type.value] == "Pulse":
self.picamLib.Picam_SetParameterPulseValue(self.cam, prm, ctypes.pointer(value))
if PicamValueTypeLookup[type.value] == "Modulations":
self.picamLib.Picam_SetParameterModulationsValue(self.cam, prm, ctypes.pointer(value))
self.Commit(printMessage=True)
def getParameter(self, name):
prm = PicamParameter[name]
exists = ctypes.c_bool()
self.picamLib.Picam_DoesParameterExist(self.cam, prm, ctypes.pointer(exists))
# get type of parameter
type = ctypes.c_int()
self.picamLib.Picam_GetParameterValueType(self.cam, prm, ctypes.pointer(type))
if PicamValueTypeLookup[type.value] in ["Integer", "Boolean", "Enumeration"]:
val = ctypes.c_int()
# test whether we can read the value directly from hardware
cr = ctypes.c_int()
self.picamLib.Picam_CanReadParameter(self.cam, prm, ctypes.pointer(cr))
if cr.value:
if self.picamLib.Picam_ReadParameterIntegerValue(self.cam, prm, ctypes.pointer(val)) == 0:
return val.value
else:
if self.picamLib.Picam_GetParameterIntegerValue(self.cam, prm, ctypes.pointer(val)) == 0:
return val.value
if PicamValueTypeLookup[type.value] == "LargeInteger":
val = ctypes.c_int64()
if self.picamLib.Picam_GetParameterLargeIntegerValue(self.cam, prm, ctypes.pointer(val)) == 0:
return val.value
if PicamValueTypeLookup[type.value] == "FloatingPoint":
val = ctypes.c_double()
# NEW
# test whether we can read the value directly from hardware
cr = ctypes.c_bool()
self.picamLib.Picam_CanReadParameter(self.cam, prm, ctypes.pointer(cr))
if cr.value:
if self.picamLib.Picam_ReadParameterFloatingPointValue(self.cam, prm, ctypes.pointer(val)) == 0:
return val.value
else:
if self.picamLib.Picam_GetParameterFloatingPointValue(self.cam, prm, ctypes.pointer(val)) == 0:
return val.value
if PicamValueTypeLookup[type.value] == "Rois":
val = roiStruct()
if self.picamLib.Picam_GetParameterRoisValue(self.cam, prm, ctypes.pointer(val)) == 0:
self.roisPtr.append(val)
return val.contents
if PicamValueTypeLookup[type.value] == "Pulse":
val = ctypes.pointer(PicamPulse())
if self.picamLib.Picam_GetParameterPulseValue(self.cam, prm, ctypes.pointer(val)) == 0:
self.pulsePtr.append(val)
return val.contents
if PicamValueTypeLookup[type.value] == "Modulations":
val = ctypes.pointer(PicamModulations())
if self.picamLib.Picam_GetParameterModulationsValue(self.cam, prm, ctypes.pointer(val)) == 0:
self.modPtr.append(val)
return val.contents
return None
def Acquisition(self, N=1, timeout=100000):
# print('Acquire')
self.available = PicamAvailableData()
errors = ctypes.c_int()
running = ctypes.c_bool()
self.picamLib.Picam_IsAcquisitionRunning(self.cam, ctypes.pointer(running))
#print('running value',running.value)
if running.value:
print("ERROR: acquisition still running")
return []
t = time.time()
self.picamLib.Picam_Acquire(self.cam, ctypes.c_int64(N), ctypes.c_int(timeout), ctypes.pointer(self.available), ctypes.pointer(errors))
#(cameraHandel,readoutcount,readouttimeout,outpoutParameter=avaible,outpouterrors)
# print('available',self.available)
print("Durée de l'acquisition : %f s" % (time.time() - t) )
# print(errors)
return t
def IsAcquisitionRunning(self):
running = ctypes.c_bool()
self.picamLib.Picam_IsAcquisitionRunning(self.cam, ctypes.pointer(running))
# print('isRunning')
# print(running.value)
return running.value
def StopAcquisition(self):
self.picamLib.Picam_StopAcquisition(self.cam)
def GetAcquiredData(self):
"""This is an internally used function to convert the readout buffer into a sequence of numpy arrays.
It reads all available data at once into a numpy buffer and reformats data to a usable format.
:param long address: Memory address where the readout buffer is stored.
:param int size: Number of readouts available in the readout buffer.
:returns: List of ROIS; for each ROI, array of readouts; each readout is a NxM array.
"""
dataArrayType = ctypes.c_uint16 * int(self.totalFrameSize) #readoutstride
dataArrayPointerType = ctypes.POINTER(dataArrayType)
dataPointer = ctypes.cast(self.available.initial_readout, dataArrayPointerType)
# create a numpy array from the buffer
data = np.frombuffer(dataPointer.contents, dtype=np.uint16)
return np.array(data).reshape((int(self.h), int(self.w)))
def GetTemperature(self):
self.temperature = self.getParameter("PicamParameter_SensorTemperatureReading")
return self.temperature
def SetTemperature(self, temperature):
a = self.setParameter("PicamParameter_SensorTemperatureSetPoint", int(temperature))
#print('temp set',a)
def GetTemperatureStatus(self):
return self.getParameter("PicamParameter_SensorTemperatureStatus")
def GetShutterControl(self,shutter):
"""
if shutter control set to true signal will available at the output
"""
return self.getParameter("PicamParameter_ShutterControl")
def SetShutterControl(self,shutter):
"""
if shutter control set to true signal will available at the output
"""
self.setParameter("PicamParameter_ShutterControl",int(shutter))
def SetAdcConf(self, gain=3, speed=1.0):
# gain High, Medium ou Low; plutot High "Low": 1,
#"Medium": 2,
#"High": 3""
# speed 0.5 ou 1.0; plutot 1.0
self.setParameter("PicamParameter_AdcAnalogGain", gain)
self.setParameter("PicamParameter_AdcSpeed", speed) # 0.5 ou 1.0
def setROI(self, x0, w, xbin, y0, h, ybin, store):
"""Create a single region of interest (ROI).
:param int x0: X-coordinate of upper left corner of ROI.
:param int w: Width of ROI.
:param int xbin: X-Binning, i.e. number of columns that are combined into one larger column (1 to w).
:param int y0: Y-coordinate of upper left corner of ROI.
:param int h: Height of ROI.
:param int ybin: Y-Binning, i.e. number of rows that are combined into one larger row (1 to h).
"""
r = PicamRoi(x0, w, xbin, y0, h, ybin)
R = PicamRois(ctypes.pointer(r), store) # change 1 to 0 to remove a bug ?!? store the number of region
self.setParameter("PicamParameter_Rois", R)
self.setParameter("PicamParameter_Rois", R)
self.totalFrameSize =( (w / xbin) * (h / ybin))
self.w = (w/xbin) # modif self.w=w
self.h = (h/ybin)
def disconnect(self):
"""Disconnect current camera.
"""
if self.cam is not None:
self.picamLib.Picam_CloseCamera(self.cam)
self.cam = None
self.picamLib.Picam_UninitializeLibrary()
# def ProcessData(self, data, readStride,*,saveAll: bool=True):
# x=ctypes.cast(data.initial_readout,ctypes.POINTER(ctypes.c_uint16))
# for i in range(0,data.readout_count): #readout by readout
# offset = int((i * readStride) / 2)
# readoutDat = np.asarray(x[offset:int(self.numCols*self.numRows + offset)],dtype=np.uint16)
# readoutDat = np.reshape(readoutDat, (self.numRows, self.numCols))
# if saveAll:
# self.totalData[(self.counter),:,:] = readoutDat
# self.counter += 1
# if i == data.readout_count-1: #return most recent readout (normalized) to use for displaying
# self.newestFrame = readoutDat
# def AcquireHelper(self):
# dat = availableData(0,0)
# aStatus=acqStatus(False,0,0)
# self.picamLib.Picam_StartAcquisition(self.cam)
# print('Acquisition Started, %0.2f readouts/sec...'%self.readRate.value)
# #start a do-while
# self.picamLib.Picam_WaitForAcquisitionUpdate(self.cam,-1,ctypes.byref(dat),ctypes.byref(aStatus))
# self.ProcessData(dat, self.rStride.value)
# #while part
# while(aStatus.running):
# self.picamLib.Picam_WaitForAcquisitionUpdate(self.cam,-1,ctypes.byref(dat),ctypes.byref(aStatus))
# self.runningStatus = aStatus.running
# if dat.readout_count > 0:
# self.ProcessData(dat, self.rStride.value)
# #print('...Acquisiton Finished, %d readouts processed.'%(self.counter)) #is not needed since the DisplayCameraData function prints as well
# def Acquire(self,*,frames: int=1): #will launch the AcquireHelper function in a new thread when user calls it
# frameCount = ctypes.c_int(0)
# frameCount.value = frames
# self.picamLib.Picam_SetParameterLargeIntegerValue(self.cam,paramFrames,frameCount)
# if self.Commit():
# self.ResetCount()
# self.totalData = np.zeros((frameCount.value,self.numRows,self.numCols))
# if self.display:
# SetupDisplay(self.numRows, self.numCols, self.windowName)
# self.picamLib.Picam_GetParameterIntegerValue(self.cam, paramStride, ctypes.byref(self.rStride))
# acqThread = threading.Thread(target=self.AcquireHelper)
# acqThread.start() #data processing will be in a different thread than the display
# def DisplayCameraData(self): #this will block and then unregister callback (if applicable) when done
# #do-while
# # cv2.waitKey(100)
# runStatus = ctypes.c_bool(False)
# self.picamLib.Picam_IsAcquisitionRunning(self.cam, ctypes.byref(runStatus))
# self.runningStatus = runStatus
# while self.runningStatus:
# if self.display and len(self.newestFrame) > 0:
# DisplayImage(self.newestFrame, self.windowName)
# print('Acquisition stopped. %d readouts obtained.'%(self.counter))
# try:
# self.picamLib.PicamAdvanced_UnregisterForAcquisitionUpdated(self.dev, self.acqCallback)
# except:
# pass
# # cv2.waitKey(20000)
# # cv2.destroyAllWindows()
# def AcquireCB(self,*,frames: int=5): #utilizes Advanced API to demonstrate callbacks, returns immediately
# if self.display:
# SetupDisplay(self.numRows, self.numCols, self.windowName)
# self.ResetCount()
# self.picamLib.Picam_GetParameterIntegerValue(self.cam, paramStride, ctypes.byref(self.rStride))
# self.picamLib.PicamAdvanced_GetCameraDevice(self.cam, ctypes.byref(self.dev))
# frameCount = ctypes.c_int(0)
# frameCount.value = frames
# self.picamLib.Picam_SetParameterLargeIntegerValue(self.dev,paramFrames,frameCount) #setting with dev handle commits to physical device if successful
# #circ buffer so we can run for a long time without needing to allocate memory for all of it
# #the buffer array and the data structure should be global or class properties so they remain in scope when the
# #function returns
# widthNominal = np.floor(512*1024*1024/self.rStride.value)
# if widthNominal < 4: #if 512MB not enough for 4 frames, allocate for 4 frames
# buffWidth = self.rStride.value*4
# else:
# buffWidth = int(widthNominal)*self.rStride.value
# self.circBuff = ctypes.ARRAY(ctypes.c_ubyte,buffWidth)()
# self.aBuf.memory = ctypes.addressof(self.circBuff)
# self.aBuf.memory_size = ctypes.c_longlong(buffWidth)
# self.picamLib.PicamAdvanced_SetAcquisitionBuffer(self.dev, ctypes.byref(self.aBuf))
#
# CMPFUNC = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_void_p, ctypes.POINTER(availableData), ctypes.POINTER(acqStatus))
# #lines for internal callback
# self.acqCallback = CMPFUNC(self.AcquisitionUpdated)
# self.picamLib.PicamAdvanced_RegisterForAcquisitionUpdated(self.dev, self.acqCallback)
# self.picamLib.Picam_StartAcquisition(self.dev)
# print('Acquisition of %d frames asynchronously started'%(frameCount.value))
# def ReturnData(self):
# return self.totalData
def Close(self):
self.picamLib.Picam_CloseCamera(self.cam)
self.picamLib.Picam_DisconnectDemoCamera(ctypes.byref(self.camID))
self.Uninitialize()