Startup

2017-04-11 16:35:48 +02:00
parent 33dce4dda3
commit b19b74403e
11 changed files with 1049 additions and 224 deletions
@@ -0,0 +1,88 @@
+is_panel = get_exec_pars().source != CommandSource.ui #Must be checked before callin "run"
+run("Devices/Elements")
+run("Devices/WireScanner")
+
+if is_panel:
+    prefix = args[0]
+    sel = args[1]
+    start = args[2]
+    end = args[3]
+    cycles = args[4]
+    velocity = args[5]
+    bpm3 = args[6]
+else:
+    prefix = "SINDI01-DWSC090" #"SARCL02-DWSC270"
+    sel = WireScanner.W1X
+    start = -200
+    end = 200
+    cycles = 5
+    velocity = 200
+    bpm3 = None
+
+#Creating WireScanner object
+if prefix not in get_wire_scans():
+    raise Exception("Invalid wire scan: " + prefix)
+scanner = WireScanner(prefix, sel, start, end, cycles, velocity, True)
+
+#Stream channels
+bs_position = scanner.motor_bs_readback.get_name()    
+bpms = get_wire_scans_bpms(prefix)
+if bpms is None:
+    raise Exception("Cannot determine wire scan bpms: " + prefix)
+channels = [("w_pos", bs_position)]    
+if bpm3 is not None: 
+    bpms.append(bpm3) 
+
+for i in range (len(bpms)):
+    channels.append (("bpm" + str(i+1) + "_x", bpms[i] + ":X1"))
+    channels.append (("bpm" + str(i) + "_y", bpms[i] + ":Y1"))
+    channels.append (("bpm" + str(i) + "_q", bpms[i] + ":Q1"))
+
+#Stream creation
+st = Stream("pulse_id", dispatcher)
+for c in channels:
+    st.addScalar(c[0], c[1], 10, 0)   
+st.initialize()
+st.start()
+st.waitCacheChange(10000)
+scanner.scan()
+scanner.waitState(State.Busy, 60000)
+
+#End of  scan checking
+scan_complete=False
+def check_end_scan(record, scan):
+    global scan_complete
+    if scanner.isReady():
+        print "Abort Scan"
+        scan_complete=True
+        scan.abort()
+
+#Metadata
+def write_metadata(path):
+    try:
+        set_attribute(path, "Wire Scan", prefix)    
+        set_attribute(path, "Selection", sel)    
+        set_attribute(path, "Range", scaner.scan_range)    
+        set_attribute(path, "Cycles", scanner.cycles )    
+        set_attribute(path, "Velocity", scanner.velocity )  
+    except: 
+        pass     
+            
+#Scan            
+try:    
+    mscan (st, st.getReadables() +[scanner.curr_cycl]  , -1, scanner.get_total_time() * 2.0, after_read =check_end_scan) # *2.0  to account for accelerations an dother delays             
+except:        
+    if not scanner.isReady():
+        print "Aborting  Wire Scan"
+        scanner.abort()
+    if not scan_complete:
+        raise
+finally:
+    write_metadata(get_exec_pars().scanPath)
+    print "Closing scanner"
+    scanner.close()
+    st.close()       
+
+
+
+