add spl, first tries programming

firmware/.vscode/launch.json

@@ -0,0 +1,35 @@
+{
+    // 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": [
+        {
+            "name": "STM8-gdb",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceRoot}/build/main.elf",
+            "args": [],
+            "stopAtEntry": true,
+            "cwd": "${workspaceRoot}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "miDebuggerPath": "stm8-gdb",
+            "setupCommands": [
+                {
+                    "description": "connect to target",
+                    "text": "-target-select extended-remote localhost:3333",
+                    "ignoreFailures": true
+                },
+            ],
+            "logging": {
+                "moduleLoad": true,
+                "trace": true,
+                "engineLogging": true,
+                "programOutput": true,
+                "exceptions": true
+            },
+        },
+    ]
+}