chore: sdk compiles almost w/o warnings?

.vscode/c_cpp_properties.json

@@ -0,0 +1,18 @@
+{
+  "configurations": [
+    {
+      "name": "ARM",
+      "includePath": [
+        "${workspaceFolder}/**",
+        "${workspaceFolder}/lib/freertos/portable/GCC/ARM_CM4F/",
+        "/usr/arm-none-eabi/include/"
+      ],
+      "defines": ["__ARM_ARCH_7M__", "__ARM_ARCH_7EM__", "CONFIG_PLATFORM_8711B"],
+      "cStandard": "gnu99",
+      "intelliSenseMode": "linux-gcc-arm",
+      "compilerPath": "/usr/bin/arm-none-eabi-gcc",
+      "compilerArgs": ["-mcpu=cortex-m4", "-mthumb"]
+    }
+  ],
+  "version": 4
+}