fscan debug

id11/scans/fscans.py

@@ -10,6 +10,7 @@ class ID11CameraCalib:
         self.readout = dict()
 
     def calibrate(self, devs, acqtime, shuttime=0.):
+        readout_time = 0.0
         self.readout = dict()
         for dev in devs:
             camtype = dev._proxy.lima_type
@@ -21,7 +22,9 @@ class ID11CameraCalib:
                 print("WARNING : software estimation of {dev.name} readout time !!")
                 camtime = take_one_image(dev, acq_time)
             self.readout[dev.name] = camtime
-        return max(self.readout.values())
+        if len(self.readout):
+            readout_time = max(self.readout.values())
+        return readout_time
             
     def calibrate_andor(self, dev, acqtime):
         self.take_image(dev, acqtime, 1)
@@ -78,7 +81,7 @@ class ID11FTimeScan(FScanRunner):
         # --- check minimum period
         limadevs = self._master.get_controllers_found("lima")
         readout_time = self._calib.calibrate(limadevs, pars.acq_time, self._fsh.shutter_time)
-        min_period = pars.acq_time + readout_time + self._latency_time
+        min_period = pars.acq_time + readout_time + self._min_latency_time
         
         if pars.period < min_period:
             pars.period = min_period