in fscan preset, use ATRIG if accumulation mode is used

id11/tdxrd/presets.py

@@ -33,7 +33,7 @@ def set_accumulation(limadev, acc_max_expo_time=None):
             limadev.accumulation.max_expo_time = acc_max_expo_time
         else:
             acc_max_expo_time = limadev.accumulation.max_expo_time
-        print(f"{limadev.name} set in ACCUMULATION mode (acc_max_expo_time= {acc_max_expo_time} sec)")
+        print(f"{limadev.name} set in ACCUMULATION mode with acc_max_expo_time= {acc_max_expo_time} sec")
     else:
         raise RuntimeError(f"Detector {limadev.name} not configured in accumulation chain")
   
@@ -114,11 +114,18 @@ class FScanMuxPreset(ScanPreset):
 
     def set_fscan_master(self, master):
         self.limadevs = master.lima_used
+        try:
+            self.acc_used = master.inpars.acc_used
+        except:
+            self.acc_used = False
 
     def prepare(self, scan):
         self.soft_fsh = True
         self.opmux.switch("TRIGGER_MODE", "MUSST")
-        self.opmux.switch("MUSST", "BTRIG")
+        if self.acc_used:
+            self.opmux.switch("MUSST", "ATRIG")
+        else:
+            self.opmux.switch("MUSST", "BTRIG")
 
         for dev in self.limadevs:
             cam_mux = CAM2MUX[dev.name]