gui/scan: enforce min <= max

2015-08-22 21:05:24 +08:00 · 2015-08-22 21:05:24 +08:00 · 284e3ddb2b
parent 21a28a13c9
commit 284e3ddb2b
1 changed files with 6 additions and 2 deletions
--- a/artiq/gui/scan.py
+++ b/artiq/gui/scan.py
@ -40,9 +40,13 @@ class _Range(LayoutWidget):
        force_spinbox_value(self.npoints, npoints)

    def get_values(self):
+        min = self.min.value()
+        max = self.max.value()
+        if min > max:
+            raise ValueError("Minimum scan boundary must be less than maximum")
        return {
-            "min": self.min.value(),
-            "max": self.max.value(),
+            "min": min,
+            "max": max,
            "npoints": self.npoints.value()
        }