scan-mode.py

#!/usr/bin/env ccs-script
#
# A simple script for taking data with the ATS. 
#
from org.lsst.ccs.scripting import *
from org.lsst.ccs.bus.states import AlertState
from optparse import OptionParser
from org.lsst.ccs.subsystem.rafts.fpga.compiler import FPGA2ModelBuilder
from java.io import File
import time
from org.lsst.ccs.utilities.image.samp import SampUtils
from java.io import File

CCS.setThrowExceptions(True)

# Directory where output will be written

dataDir = "/data/ats"

# Connect to subsystems
raftsub = CCS.attachSubsystem("ats-wreb")
powersub = CCS.attachSubsystem("ats-power")
bonnsub = CCS.attachSubsystem("bonn-shutter")

# Sanity checks

biasOn = raftsub.sendSynchCommand("isBackBiasOn")
if not biasOn:
  print "WARNING: Back bias is not on for WREB"

alerts = raftsub.sendSynchCommand("getRaisedAlertSummary")
if alerts.alertState!=AlertState.NOMINAL:
  print "WARNING: WREB subsystem is in alarm state %s" % alerts.alertState 

print "Clearing CCD "
raftsub.sendSynchCommand("setSequencerStart","Clear")
raftsub.sendSynchCommand("startSequencer")
raftsub.sendSynchCommand("waitSequencerDone",30000)

preCols = raftsub.sendSynchCommand("getSequencerParameter","PreCols")[0]
readCols = raftsub.sendSynchCommand("getSequencerParameter","ReadCols")[0]
postCols = raftsub.sendSynchCommand("getSequencerParameter","PostCols")[0]

preRows  = raftsub.sendSynchCommand("getSequencerParameter","PreRows")[0]
readRows = raftsub.sendSynchCommand("getSequencerParameter","ReadRows")[0]
postRows = raftsub.sendSynchCommand("getSequencerParameter","PostRows")[0]

scanMode  = raftsub.sendSynchCommand("WREB getRegister 0x330000 1")
#clampMode = raftsub.sendSynchCommand("WREB getRegister 0x330001 1")

print "Initial sequencer parameters"

print "preCols=%d"  % preCols
print "readCols=%d" % readCols
print "postCols=%d" % postCols

print "preRows=%d"  % preRows
print "readRows=%d" % readRows
print "postRows=%d" % postRows

print "scanMode=%s" % scanMode 
#print "clampMode=%d" % clampMode 

# set up scan mode

raftsub.sendSynchCommand("setSequencerParameter","PreCols" ,155)
raftsub.sendSynchCommand("setSequencerParameter","ReadCols",256)
raftsub.sendSynchCommand("setSequencerParameter","PostCols",165) # Must add up to 576

raftsub.sendSynchCommand("setSequencerParameter","PreRows" ,2)
raftsub.sendSynchCommand("setSequencerParameter","ReadRows",1000)
raftsub.sendSynchCommand("setSequencerParameter","PostRows",1046)

scanMode  = raftsub.sendSynchCommand("WREB setRegister 0x330000 [1]")

# Take scan mode image

fname = "${imageName}_scan_mode.fits"
raftsub.sendSynchCommand("setFitsFileNamePattern",fname)
time.sleep(1.0)

print "Reading out"
raftsub.sendSynchCommand("setSequencerStart","ReadFrame")
imageName = raftsub.sendSynchCommand("acquireLSSTImage")
rc = raftsub.sendSynchCommand("waitForImage",60000)
if rc == 0:
   raise Exception,"Timeout waiting for image" 

actualDir = dataDir+"/"+imageName.getDateString()
result = raftsub.sendSynchCommand("saveFitsImage", actualDir)
print "Saved FITS image to %s/%s" % (actualDir, result[0])

# Restore settings

raftsub.sendSynchCommand("setSequencerParameter","PreCols" ,preCols)
raftsub.sendSynchCommand("setSequencerParameter","ReadCols",readCols)
raftsub.sendSynchCommand("setSequencerParameter","PostCols",postCols)

raftsub.sendSynchCommand("setSequencerParameter","PreRows" ,preRows)
raftsub.sendSynchCommand("setSequencerParameter","ReadRows",readRows)
raftsub.sendSynchCommand("setSequencerParameter","PostRows",postRows)

scanMode  = raftsub.sendSynchCommand("WREB setRegister 0x330000 [0]")