Merge pull request #16 from pedasmith/Issue15Timeout

Fix for issue 15, use the new display.time_to_refresh

Author: tannewt

examples/ssd1680_2.13_featherwing.py

@@ -57,4 +57,14 @@
 
     print("refreshed")
 
-    time.sleep(120)
+    time.sleep(display.time_to_refresh + 5)
+    # Always refresh a little longer. It's not a problem to refresh
+    # a few seconds more, but it's terrible to refresh too early
+    # (the display will throw an exception when if the refresh
+    # is too soon)
+    print("waited correct time")
+
+
+# Keep the display the same
+while True:
+    time.sleep(10)

examples/ssd1680_simpletest.py

@@ -64,4 +64,14 @@
 
     print("refreshed")
 
-    time.sleep(120)
+    time.sleep(display.time_to_refresh + 5)
+    # Always refresh a little longer. It's not a problem to refresh
+    # a few seconds more, but it's terrible to refresh too early
+    # (the display will throw an exception when if the refresh
+    # is too soon)
+    print("waited correct time")
+
+
+# Keep the display the same
+while True:
+    time.sleep(10)