rpOsci: simplified logic

rpOsci.py

@@ -250,13 +250,15 @@ class rpControl(QMainWindow, Ui_MCPHA):
             self.reset_osc()
         if self.osc_start:
             self.start_osc()
+        if not self.osc_waiting:
+            return
         # check status
         self.read_status()
         if not self.read_data(self.status):
             self.log.print("failed to read status")
             return
-        if self.osc_waiting and not self.status[8] & 1:
-            self.command(20, 0, 0)
+        if not self.status[8] & 1:
+            self.command(20, 0, 0)  # read oscilloscope data 
             if self.read_data(self.osc.buffer):
                 self.osc.update()
                 self.mark_reset_osc()