wip

python/MXMotion.py

@@ -36,7 +36,10 @@ class MotionBase:
     self.gather=gather
     self.verbose=verbose
     #ServoPeriod=0.2 #ms, Sys.ServoPeriod is dependent of !common() macro
-    ServoPeriod=comm.gpascii.servo_period*1000
+    if comm is None:
+      ServoPeriod=.2
+    else:
+      ServoPeriod=comm.gpascii.servo_period*1000
 
     self.meta={'srv_per':ServoPeriod,'pt2pt_time':40,'sync_flag':0,'sync_mode':2}
     self.meta.update(kwargs)
@@ -106,6 +109,7 @@ class MotionBase:
       self.sync_prg = prg
       #download and start triggerSync code
       comm=self.comm
+      if comm is None: return
 
       arg=0 #argument to pass to triggerSync program
       if sync_mode==2:arg+=1  #synchronize
@@ -144,6 +148,7 @@ class MotionBase:
   def run(self, crdId=1):
     'runs the code sync_run which has been generated with setup_sync()'
     comm = self.comm
+    if comm is None: return
     gpascii = comm.gpascii
     try:
       cmd=self.sync_run
@@ -157,6 +162,7 @@ class MotionBase:
       return
     else:
       comm = self.comm
+      if comm is None: return
       gpascii = comm.gpascii
       while (True):
         val = gpascii.get_variable('Coord[{crdId}].Q[0]'.format(crdId=crdId), type_=int)
@@ -172,7 +178,7 @@ class MotionBase:
     if ge == 0: return -1
     cnt = gpascii.get_variable('Gather.Samples', type_=int)
     try:
-      cnt*=self.meta['srv_per']/(self.meta['acq_per']*self.meta['pt2pt_time'])
+      cnt*=self.meta['srv_per']*self.meta['acq_per']/self.meta['pt2pt_time']
     except KeyError:
       pass
     return cnt
@@ -184,6 +190,7 @@ class MotionBase:
     time.sleep(wait)
     if self.meta['sync_flag']&1:
       comm = self.comm
+      if comm is None: return
       gpascii = comm.gpascii
       gpascii.send_block('Coord[1].Q[10]=1')
     else: