#101 add a clear method to the collection class

Author: dave

examples/colorTftEthernet32/colorTftEthernet.emf

@@ -1,6 +1,6 @@
 {
   "lastEdited": {
-    "seconds": 1600858418,
+    "seconds": 1601464065,
     "nanos": 0
   },
   "codeOptions": {
@@ -12,6 +12,7 @@
     "embeddedPlatform": "ARDUINO_32",
     "namingRecursive": false,
     "saveToSrc": false,
+    "useCppMain": false,
     "lastProperties": [
       {
         "name": "PULLUP_LOGIC",

examples/colorTftEthernet32/colorTftEthernet32_menu.cpp

@@ -72,7 +72,7 @@ void setupMenu() {
 
 
     gfx.initR(INITR_BLACKTAB);
-    gfx.setRotation(1);
+    gfx.setRotation(0);
     renderer.setGraphicsDevice(&gfx, &colorConfig);
     switches.initialise(io8574, true);
     menuMgr.initForEncoder(&renderer, &menuVoltage, 7, 6, 5);