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.vscode/settings.json

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+{
+    "files.associations": {
+        "*.rmd": "markdown",
+        "sys.h": "c",
+        "cstdio": "c",
+        "__verbose_abort": "c",
+        "*.inc": "c",
+        "ch32fun.h": "c",
+        "stdio.h": "c",
+        "systick.h": "c",
+        "def.h": "c",
+        "ch32v20xhw.h": "c",
+        "future": "c",
+        "compare": "c",
+        "cstdint": "c",
+        "snmp.h": "c",
+        "etharp.h": "c",
+        "dhcp.h": "c",
+        "netif.h": "c",
+        "ch32v307gigabit.h": "c"
+    }
+}