#Debugging
if get_exec_pars().innerArgs is None:
    E1 = 975
    E2 = 985
    TIME = 1 #min
    DELAY = 0.0 #s
    MODE = None #'LINEAR' #'CIRC +'
    OFFSET = None
    NAME = 'predefined'
    ALPHA= None #0
   


print "\nStart energy scan..."
print E1,"eV ->",E2,"eV,",TIME,"min duration,",DELAY,"sec delay,",str(MODE),(str(ALPHA)+"deg") if (MODE=="LINEAR") else ""

set_exec_pars(reset=True, name= NAME)



call_mscan=True
move_mono=False  # if true, X-Tremeo runs, if false channel defiend under Ch runs 


#Scan
print "Start OTF"
scan_completed = False

try:
    while True:
        waiting = True
                                      
        class Time(Readable):
            def __init__(self):
                self.start = time.time()    
            def read(self):        
                return time.time()-self.start
        tm = Time()
        
        class norm_tey(Readable):
            def read(self):        
                return float(cadc1.take())/float(cadc2.take())

        class norm_diode(Readable):
            def read(self):        
                return float(cadc3.take())/float(cadc2.take())  
        # define channels for PGM paramters 
                      
        position=sin
                 

        snaps = ()
        diags = ()     #Must use cache because mscan evensts are called from monitor callback tread (or else  async=False). Sensors are automatically handled.
        sensors = [position,out]       

        def monitoring_task():
            global scan_completed
            time.sleep(3.0)
            
            scan_completed = True
            print('Scan completed ' + str(get_exec_pars().currentScan))
            global scans
            scans.append(get_exec_pars().currentScan)
            get_exec_pars().currentScan.abort()      
            print('after abort ')

        def before_pass(pass_num, scan):
            print "Starting  scan: " + str(scan)
            
        monitoring_future = fork(monitoring_task)[0]    
        
        print("Scanning...\n")       
        try:    
            if call_mscan==True:
                print('call mscan ')
                mscan( position, sensors, -1, None, \
                       range="auto",domain_axis=position.name, 
                       snaps=snaps, diags=diags, before_pass=before_pass)
            else:
                print('-------------------------------------')
                print('DO NOT CALL mscan ')
                print('-------------------------------------') 
            #endelse
        finally: 
            print('.....mscan done  ')
            if not scan_completed:
                print('... cancel monitoring_future..')       
                monitoring_future.cancel(True)
        print('monitoring is done',monitoring_future.isDone())                                   
        print "Finished Energy scan."    
        if after_sample(): #Repeat if id error and not ABORT_ON_ID_ERROR:
            break
        
except:   
    if not scan_completed:
        print sys.exc_info()
        raise
    #endif
#endexcept 
print('-------DONE --------------')
# Finally, if mon is not use 
# return to initial position