fix minor compile problems

.vscode/c_cpp_properties.json

@@ -5,10 +5,11 @@
             "includePath": [
                 "${workspaceFolder}/utility/unity/core",
                 "${workspaceFolder}/utility/unity/fixture",
+                "${workspaceFolder}/utility/fff",
+                "${workspaceFolder}/test/cmd_parser/helpers/inc",
+                "${workspaceFolder}/cmd_parser",
                 "${workspaceFolder}/test/oled/helpers/inc",
-                "${workspaceFolder}/test/oled/",
-                "${workspaceFolder}/cmd_parser/",
-                "${workspaceFolder}/**"
+                "${workspaceFolder}/oled"
             ],
             "defines": [
                 "_DEBUG",

.vscode/settings.json

@@ -10,5 +10,8 @@
     "unityExplorer.prettyTestCaseRegex": "test_(\\w+)",
     "unityExplorer.prettyTestFileRegex": "(\\w+)_test\\.c",
     "unityExplorer.debugConfiguration": "Unity Test Explorer Debug",
+    "files.associations": {
+        "main.h": "c"
+    },
     
 }