pulsegen: Wait for operations to complete before checking errors

software/utils/pulsegen.py

@@ -184,6 +184,8 @@ class PulseGen:
         self.ser.write(b'BURS:PHAS 0\r\n')
         self.ser.write(b'BURS:STAT ON\r\n')
 
+        self.wait()
+
         # check errors queue and printout error messages if any
         error = False
         error_msg = ''