IntelliSense and formatting options.

.clang-format

@@ -0,0 +1,12 @@
+BasedOnStyle: LLVM
+BreakBeforeBraces: Allman
+SortIncludes: false
+UseTab: AlignWithSpaces
+TabWidth: 4
+IndentWidth: 4
+ColumnLimit: 100
+AlignConsecutiveMacros: true
+AllowShortBlocksOnASingleLine: Empty
+AllowShortFunctionsOnASingleLine: Empty
+IndentPPDirectives: BeforeHash
+PenaltyBreakAssignment: 25

.vscode/c_cpp_properties.json

@@ -0,0 +1,17 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                ""
+            ],
+            "compilerPath": "/usr/bin/arm-none-eabi-gcc",
+            "cStandard": "c17",
+            "intelliSenseMode": "linux-gcc-arm"
+        }
+    ],
+    "version": 4
+}