fix(mo1_bragg): Set scan angles in advanced scan to prevent bug in NIDAQ

debye_bec/devices/mo1_bragg/mo1_bragg.py

@@ -465,6 +465,7 @@ class Mo1Bragg(PSIDeviceBase, Mo1BraggPositioner):
         status = CompareStatus(out_signal, 0, operation_success=">")
         self.cancel_on_stop(status)
         status.wait(self.timeout_for_pvwait)
+        # logger.info(f"Converted energy {inp} to angle {out_signal.get()}")
         return out_signal.get()
 
     def set_advanced_xas_settings(
@@ -494,6 +495,15 @@ class Mo1Bragg(PSIDeviceBase, Mo1BraggPositioner):
 
         status_list = []
 
+        # Even though s_scan_angle_lo and -_hi are not used by the mono
+        # for the advanced scan, we set it because the NIDAQ will read
+        # those signals to calculate the expected number of encoder steps
+        status_list.append(self.scan_settings.s_scan_angle_lo.set(pos[0]))
+        self.cancel_on_stop(status_list[-1])
+
+        status_list.append(self.scan_settings.s_scan_angle_hi.set(pos[-1]))
+        self.cancel_on_stop(status_list[-1])
+
         status_list.append(self.scan_settings.a_scan_pos.set(pos))
         self.cancel_on_stop(status_list[-1])