routinw

andor_repo/andor/andor_driver.py

@@ -19,20 +19,30 @@ def __init__(self):
         (ret) = self.cam.SetCoolerMode(1)  
         (ret) = self.cam.SetTemperature(-40) #David added this
         (ret) = self.cam.SetHSSpeed(0,0) #David added this
-        (ret) = self.cam.SetVSSpeed(3)#.3) #David added this
+        (ret) = self.cam.SetVSSpeed(4)#.3) #David added this
         (ret) = self.cam.SetVSAmplitude(0) #David added this
-        (ret) = self.cam.SetPreAmpGain(3) #David added this
+        (ret) = self.cam.SetPreAmpGain(2) #David added this
+        (ret) = self.cam.SetBaselineClamp(1)
         (ret) = self.cam.SetOutputAmplifier(0) # 0 is EMCCD. David added this
-        (ret) = self.cam.SetEMGainMode(0) # Max is 300? David added this
+        (ret) = self.cam.SetEMGainMode(3) # Max is 300? David added this
         (ret) = self.cam.SetEMCCDGain(50) # Max is 300? David added this
-        (ret) = self.cam.SetCountConvertMode(2)
-        (ret) = self.cam.SetCountConvertWavelength(float(852))
-        # (ret,low,high) = self.cam.GetEMGainRange()
-        # print(low,high)
-        #The only setting I have missed is the readout rate which I could not find. might be SetHSSpeed and SetHorizontalSpeed
+        (ret) = self.cam.SetCountConvertMode(1) # 1 is electron, 2 is photon
+        # (ret) = self.cam.SetCountConvertWavelength(float(852))
+
+        #The only setting I have missed is the readout rate which I could not find. might be SetHorizontalSpeed
 
         (ret) = self.cam.SetShutter(0,1,50,50) # (0,1,50,50) opens shutter. (0,2,50,50) closes shutter.   
-        (ret) = self.cam.SetAcquisitionMode(1)
+        # (ret) = self.cam.SetAcquisitionMode(1)
+
+        ##############################################################
+        (ret) = self.cam.SetFastExtTrigger(1)
+        (ret) = self.cam.SetAcquisitionMode(3)
+        (ret) = self.cam.SetNumberKinetics(2)
+        (ret) = self.cam.EnableKeepCleans(0)
+        #(ret) = SetIsolatedCropMode(1, 30, 30, 1, 1)
+        ##############################################################
+
+
         (ret) = self.cam.SetReadMode(4)
 
         (ret) = self.cam.SetTriggerMode(1) # 0 is internal, 1 is external, 6 is external start?
@@ -42,6 +52,10 @@ def __init__(self):
         (ret) = self.cam.SetExposureTime(0.01) # Set exposure time here!
         (ret, self.fminExposure, self.fAccumulate, self.fKinetic) = self.cam.GetAcquisitionTimings()
 
+        ##############################################################
+        (ret) = self.cam.PrepareAcquisition()
+        ##############################################################
+
         if atmcd.DRV_SUCCESS==ret:
             print("Andor Initializiation was successful...")
         else:
@@ -52,10 +66,11 @@ def __init__(self):
         # ,Pre-Amp Gain (Gain 3), Output Amplifier (Electron Multiplying), Electron Multiplier (EM) Gain (Enabled->2)
 
 
-    def retrieve_trigger(self):
+    def retrieve_trigger(self,images=1):
         # print("Retrieving trigger...")
         # time1 = time.time()
-        win32event.WaitForSingleObject(self.event, 12000) # 12000 is 12 second timeout
+        for i in range(images):
+            win32event.WaitForSingleObject(self.event, 6000) # 12000 is 12 second timeout
         # print(time.time()-time1)
 
     def reset_image(self):
@@ -67,21 +82,28 @@ def start_acquisition_event(self):
         self.cam.SetDriverEvent(self.event)
         self.cam.StartAcquisition()
 
-    def get_last_image(self):
-        (ret, fullFrameBuffer) = self.cam.GetMostRecentImage(self.imageSize) # GetImages(somethinghere) might be a better command if we want to do background subtraction
-        image = np.reshape(fullFrameBuffer, (512,512)) #Converts c_long 262k array to 512x512 image numpy array
-        return image
-
     def trigger_count(self):
         _,__,x = self.cam.GetNumberAvailableImages()
         print(x,"triggers received")
         return x
+
+    def get_last_image(self):
+        (ret, fullFrameBuffer) = self.cam.GetMostRecentImage(self.imageSize) # GetImages(somethinghere) might be a better command if we want to do background subtraction
+        image = np.reshape(fullFrameBuffer, (512,512)) #Converts c_long 262k array to 512x512 image numpy array
+        return image        
 
-    def get_specific_image(self):
-        (ret, fullFrameBuffer, validfirst, validlast) = self.cam.GetImages(1,1,self.imageSize)
+    def get_specific_image(self, image_number):
+        (ret, fullFrameBuffer, validfirst, validlast) = self.cam.GetImages(image_number,image_number,self.imageSize)
         image = np.reshape(fullFrameBuffer, (512,512)) #Converts c_long 262k array to 512x512 image numpy array
         return image
 
+    def get_all_images(self,image_number = 2):
+        image_arr = [0]*image_number
+        for i in range(image_number):
+            (ret, image_arr[i], validfirst, validlast) = self.cam.GetImages(i+1,i+1,self.imageSize)
+            image_arr[i] = np.reshape(image_arr[i], (512,512)) #Converts c_long 262k array to 512x512 image numpy array
+        return image_arr
+
     def plot_image(self,image=None):
         if type(image) == type(None):
             image = self.get_last_image()