Add launch.json

Add launch.json.
Add how to debug on Visual Studio Code on README.md

.vscode/launch.json

@@ -0,0 +1,43 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Microbit Debug",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceRoot}\\build\\bbc-microbit-classic-gcc\\source\\microbit-samples-combined.hex",
+            "args": [],
+            "stopAtEntry": true,
+            "cwd": "${workspaceRoot}",
+            "environment": [],
+            "externalConsole": true,
+            "debugServerArgs": "--persist -t nrf51 -bh -r",
+            "serverLaunchTimeout": 20000,
+            "filterStderr": true,
+            "filterStdout": false,
+            "serverStarted": "GDB\\ server\\ started",
+            "logging": {
+                "moduleLoad": false,
+                "trace": true,
+                "engineLogging": true,
+                "programOutput": true,
+                "exceptions": false
+            },
+            "windows": {
+                "MIMode": "gdb",
+                "MIDebuggerPath": "C:\\Program Files (x86)\\GNU Tools Arm Embedded\\4.9 2015q2\\bin\\arm-none-eabi-gdb.exe",
+                "debugServerPath": "C:\\yotta\\workspace\\Scripts\\pyocd-gdbserver.exe",
+                "debugServerArgs": "--persist -t nrf51 -bh -r",
+                "setupCommands": [
+                    { "text": "-environment-cd ${workspaceRoot}\\build\\bbc-microbit-classic-gcc\\source" },
+                    { "text": "-target-select remote localhost:3333", "description": "connect to target", "ignoreFailures": false },
+                    { "text": "-interpreter-exec console \"monitor reset\"", "ignoreFailures": false },
+                    { "text": "-interpreter-exec console \"monitor halt\"", "ignoreFailures": false },
+                    { "text": "-interpreter-exec console \"monitor soft_reset_halt\"", "ignoreFailures": false },
+                    { "text": "-file-exec-file ./microbit-samples-combined.hex", "description": "load file", "ignoreFailures": false},
+                    { "text": "-file-symbol-file ./microbit-samples", "description": "load synbol file", "ignoreFailures": false},
+                ]
+            }
+        }
+    ]
+}

README.md

@@ -96,6 +96,17 @@ Here is an example of `config.json` with all available options configured:
     }
 }
 ```
+##  Debug on Visual Studio Code (Windows)
+
+1. build sample. You can build "HELLO WORLD! :)" program.
+2. Copy microbit-samples\build\bbc-microbit-classic-gcc\source\microbit-samples-combined.hex to micro:bit.
+3. Launch the Visual Studio Code
+4. File -> Open Folder... and select "microbit-samples" folder.
+5. Set break point to "main()" function.
+6. View -> Debug (Ctrl + Shift + D)
+7. Debug -> Start Debugging (F5)
+
+![Debug on Visual Studio Code](/debugOnVisualStudioCode.gif)
 
 ## BBC Community Guidelines