vscode configure files.

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug Linklayer Emulation",
+            "program": "${workspaceFolder}/df_datalink_sp/unit_test/linklayer_emulate_unit_test.exe",
+            "args": [],
+            "cwd": "${workspaceFolder}/df_datalink_sp/unit_test",
+            "preLaunchTask": "linklayer_emulate_unit_test",
+        }
+    ]
+}

.vscode/tasks.json

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+{
+	"version": "2.0.0",
+    "reveal": "always",
+    "tasks": [
+        {
+            "label": "linklayer_emulate_unit_test",
+            "command": "bash",
+    		"type": "shell",
+            "group":  {
+                "kind": "build"
+            },
+            "options": {
+                "cwd": "${workspaceFolder}/df_datalink_sp/unit_test"
+            },
+            "args": ["-c", "make linklayer_emulate_unit_test.exe"]
+        }
+    ]
+}