1 files changed, 18 insertions, 0 deletions
diff --git a/ue9qol.py b/ue9qol.py
index 2250f2b..0ce21b8 100644
--- a/ue9qol.py
+++ b/ue9qol.py
@@ -2,6 +2,7 @@ import sys
 import traceback
 import time  # For sleep, clock, time and perf_counter
 from datetime import datetime
+import random
 
 import u3
 import u6
@@ -35,3 +36,20 @@ class UE9qol:
     def close(self):
         self.daq.close()
 
+class UE9qolDummy:
+    # to be used for graphics debugging
+    def __init__(self, debug = False, autoOpen = True, **kargs):
+        # do nothing
+        return
+
+    def getInputCh(self, chNum):
+        return random.normalvariate(chNum, 0.25)
+
+    def setOutputCh(self, chNum=None, volts=None):
+        # do nothing
+        return
+
+    def close(self):
+        # do nothing
+        return
+