def queryCCDInfo(self):
infoImg = udrv.GetCCDInfoResults0()
infoTrk = udrv.GetCCDInfoResults0()
gcip = udrv.GetCCDInfoParams()
gcip.request = udrv.CCD_INFO_IMAGING
self._cmd(udrv.CC_GET_CCD_INFO, gcip, infoImg)
gcip.request = udrv.CCD_INFO_TRACKING
self._cmd(udrv.CC_GET_CCD_INFO, gcip, infoTrk)
self.cameraNames[self.imaging] = infoImg.name
self.cameraNames[self.tracking] = infoTrk.name
# imaging ccd readout modes
for i in range(infoImg.readoutModes):
mode = infoImg.readoutInfo[i]
self.readoutModes[self.imaging][mode.mode] = SBIGReadoutMode(mode)
for i in range(infoTrk.readoutModes):
mode = infoTrk.readoutInfo[i]
self.readoutModes[self.tracking][mode.mode] = SBIGReadoutMode(mode)
return True
def cmd_getCCDParams(self,the_command): ''' No argument - this function gets the CCD parameters using GET_CCD_INFO. Technically, this returns the parameters for the first CCD.''' p = sb.GetCCDInfoParams() p.request = 0 r = sb.GetCCDInfoResults0() sb.SBIGUnivDrvCommand(sb.CC_GET_CCD_INFO,p,r) #Width and height are just integers. gain = hex(r.readoutInfo[0].gain) gain=float(gain[2:])*0.01 pixel_width = hex(r.readoutInfo[0].pixel_width) pixel_width = float(pixel_width[2:])*0.01 return 'width: '+str(r.readoutInfo[0].width)+ ' height: '+str(r.readoutInfo[0].height)+\ ' gain(e-/ADU): '+str(gain)+' pixel_width (microns): '+str(pixel_width)
def capture(self,exposureTime,shutter,fileInput,imtype='Light'):
self.imtype=imtype
#This command checks the temperature at the time it is run
a = sb.QueryTemperatureStatusResults()
sb.SBIGUnivDrvCommand(sb.CC_QUERY_TEMPERATURE_STATUS,None,a)
#A-D unit conversion
SP = a.ccdSetpoint
v1 = 4096.0/SP
v2 = 10.0/(v1-1.0)
setPointC = int(25.0 - 25.0 *((np.log(v2/3.0))/0.943906))
v3 = 4096.0/a.ccdThermistor
v4 = 10.0/(v3-1.0)
TempC = 25.0 - 25.0 *((np.log(v4/3.0))/0.943906)
TempC_rounded = round(TempC, 2)
#associates the binary output of the refulation variable with on or off for the purposes of printing
if a.enabled == 1 : reg = 'on'
elif a.enabled == 0 : reg = 'off'
self.camtemp=TempC_rounded
self.ccdSetpoint=setPointC
self.cooling=reg
#Get CCD Parameters, this is required for later during readout
p = sb.GetCCDInfoParams()
p.request = 0
r = sb.GetCCDInfoResults0()
sb.SBIGUnivDrvCommand(sb.CC_GET_CCD_INFO,p,r)
self.width = r.readoutInfo[0].width
self.height = r.readoutInfo[0].height
#This is because the spectrograph camera does not return the correct width and height from GetCCDInfoParams, but returns 1000x1000
#This is probably ok since it is unlikely we will ever have a camera with 1000x1000 pixels exactly.
if self.height==1000 and self.width==1000:
self.width = 3352
self.height = 2532
self.gain = hex(r.readoutInfo[0].gain)
self.gain=float(self.gain[2:])*0.01
#Start the Exposure
self.startTime = time.time()
p = sb.StartExposureParams()
p.ccd = 0
p.exposureTime = int(exposureTime * 100)
self.exposureTime=exposureTime
# anti blooming gate, currently untouched (ABG shut off)
p.abgState = 0
#sets up file name
filename= fileInput.partition('.fits')[0]
#calls checking functions
self.checkDir(filename)
self.checkFile(self.fullpath)
#sets the shutter to open or closed.
print ' shutter: ' + str(shutter) + '\n file: ' + str(self.fullpath) + '\n exposure: ' + str(exposureTime) + ' seconds'
if shutter == 'open': shutter_status = 1
elif shutter == 'closed':shutter_status = 2
p.openShutter = shutter_status
sb.SBIGUnivDrvCommand(sb.CC_START_EXPOSURE,p,None)
p = sb.QueryCommandStatusParams()
p.command = sb.CC_START_EXPOSURE
r = sb.QueryCommandStatusResults()
r.status = 0
self.exposure_active=True
import sbigudrv as sb sb.SBIGUnivDrvCommand(sb.CC_OPEN_DRIVER, None,None) r = sb.QueryUSBResults() sb.SBIGUnivDrvCommand(sb.CC_QUERY_USB, None,r) r.camerasFound r.usbInfo[0].name p = sb.OpenDeviceParams() p.deviceType=0x7F00 sb.SBIGUnivDrvCommand(sb.CC_OPEN_DEVICE, p, None) p = sb.EstablishLinkParams() r = sb.EstablishLinkResults() sb.SBIGUnivDrvCommand(sb.CC_ESTABLISH_LINK,p,r) p = sb.GetCCDInfoParams() p.request = 0 r = sb.GetCCDInfoResults0() sb.SBIGUnivDrvCommand(sb.CC_GET_CCD_INFO,p,r) r.readoutInfo[0].width r.readoutInfo[0].height hex(r.readoutInfo[0].gain hex(r.readoutInfo[0].pixel_width) sb.SBIGUnivDrvCommand(sb.CC_CLOSE_DEVICE, None,None) sb.SBIGUnivDrvCommand(sb.CC_CLOSE_DRIVER, None,None)