def setParameter(self, name, value):
"""Set parameter. The value is automatically typecast to the correct data type corresponding to the type of parameter.
.. note:: Setting a parameter with this function does not automatically change the configuration in the camera. In order to apply all changes, :py:func:`sendConfiguration` has to be called.
:param str name: Name of the parameter exactly as stated in the PICam SDK manual.
:param mixed value: New parameter value. If the parameter value cannot be changed, a warning is printed to stdout.
"""
prm = pit.PicamParameter[name]
exists = pit.pibln()
self.lib.Picam_DoesParameterExist(self.cam, prm, ptr(exists))
if not exists:
print("Ignoring parameter", name)
print(" Parameter does not exist for current camera!")
return
access = pit.piint()
self.lib.Picam_GetParameterValueAccess(self.cam, prm, ptr(access))
if pit.PicamValueAccessLookup[access.value] not in [
"ReadWrite", "ReadWriteTrivial"
]:
print("Ignoring parameter", name)
print(" Not allowed to overwrite parameter!")
return
if pit.PicamValueAccessLookup[access.value] == "ReadWriteTrivial":
print("WARNING: Parameter", name, " allows only one value!")
# get type of parameter
type = pit.piint()
self.lib.Picam_GetParameterValueType(self.cam, prm, ptr(type))
if type.value not in pit.PicamValueTypeLookup:
print("Ignoring parameter", name)
print(" Not a valid parameter type:", type.value)
return
if pit.PicamValueTypeLookup[type.value] in [
"Integer", "Boolean", "Enumeration"
]:
val = pit.piint(value)
self.lib.Picam_SetParameterIntegerValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "LargeInteger":
val = pit.pi64s(value)
self.lib.Picam_SetParameterLargeIntegerValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "FloatingPoint":
val = pit.piflt(value)
self.lib.Picam_SetParameterFloatingPointValue(self.cam, prm, val)
if pit.PicamValueTypeLookup[type.value] == "Rois":
self.lib.Picam_SetParameterRoisValue(self.cam, prm, ptr(value))
if pit.PicamValueTypeLookup[type.value] == "Pulse":
self.lib.Picam_SetParameterPulseValue(self.cam, prm, ptr(value))
if pit.PicamValueTypeLookup[type.value] == "Modulations":
self.lib.Picam_SetParameterModulationsValue(
self.cam, prm, ptr(value))
def StartAcquisition(self, N=1, timeout=10000):
self.available = pit.PicamAvailableData()
errors = pit.piint()
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
if running.value:
print("ERROR: acquisition still running")
return []
t = time.time()
self.lib.Picam_Acquire(self.cam, pit.pi64s(N), pit.piint(timeout),
ptr(self.available), ptr(errors))
print("Durée de l'acquisition : %f s" % (time.time() - t))
def AcquisitionAssy(self, N=int(1)):
#asynchronously initiates data acquisition and returns immediately.
print('start Acquisiotn asynchrone')
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
# print(running.value)
#if running.value:
# print("ERROR: acquisition still running")
# return []
t = time.time()
self.setParameter("ReadoutCount", N)
self.sendConfiguration()
#print(self.getParameter("ReadoutCount"))
self.lib.Picam_StartAcquisition(self.cam)
print("Durée de l'acquisition : %f s" % (time.time() - t))
def Acquisition(self, N=1, timeout=10000):
print('Acquire')
self.available = pit.PicamAvailableData()
errors = pit.piint()
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
#print('running value',running.value)
if running.value:
print("ERROR: acquisition still running")
return []
t = time.time()
self.lib.Picam_Acquire(self.cam, pit.pi64s(N), pit.piint(timeout),
ptr(self.available), ptr(errors))
#(cameraHandel,readoutcount,readouttimeout,outpoutParameter=avaible,outpouterrors)
# print(self.getParameter("ReadoutCount"))
print("Durée de l'acquisition : %f s" % (time.time() - t))
# print(errors)
return t
def getParameter(self, name):
prm = pit.PicamParameter[name]
exists = pit.pibln()
self.lib.Picam_DoesParameterExist(self.cam, prm, ptr(exists))
# get type of parameter
type = pit.piint()
self.lib.Picam_GetParameterValueType(self.cam, prm, ptr(type))
if pit.PicamValueTypeLookup[type.value] in [
"Integer", "Boolean", "Enumeration"
]:
val = pit.piint()
# test whether we can read the value directly from hardware
cr = pit.pibln()
self.lib.Picam_CanReadParameter(self.cam, prm, ptr(cr))
if cr.value:
if self.lib.Picam_ReadParameterIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
else:
if self.lib.Picam_GetParameterIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "LargeInteger":
val = pit.pi64s()
if self.lib.Picam_GetParameterLargeIntegerValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "FloatingPoint":
val = pit.piflt()
# NEW
# test whether we can read the value directly from hardware
cr = pit.pibln()
self.lib.Picam_CanReadParameter(self.cam, prm, ptr(cr))
if cr.value:
if self.lib.Picam_ReadParameterFloatingPointValue(
self.cam, prm, ptr(val)) == 0:
return val.value
else:
if self.lib.Picam_GetParameterFloatingPointValue(
self.cam, prm, ptr(val)) == 0:
return val.value
if pit.PicamValueTypeLookup[type.value] == "Rois":
val = ptr(pit.PicamRois())
if self.lib.Picam_GetParameterRoisValue(self.cam, prm,
ptr(val)) == 0:
self.roisPtr.append(val)
return val.contents
if pit.PicamValueTypeLookup[type.value] == "Pulse":
val = ptr(pit.PicamPulse())
if self.lib.Picam_GetParameterPulseValue(self.cam, prm,
ptr(val)) == 0:
self.pulsePtr.append(val)
return val.contents
if pit.PicamValueTypeLookup[type.value] == "Modulations":
val = ptr(pit.PicamModulations())
if self.lib.Picam_GetParameterModulationsValue(
self.cam, prm, ptr(val)) == 0:
self.modPtr.append(val)
return val.contents
return None
def IsAcquisitionRunning(self):
running = pit.pibln()
self.lib.Picam_IsAcquisitionRunning(self.cam, ptr(running))
# print('isRunning')
# print(running.value)
return running.value
