added lauch file for UART example

.vscode/launch.json

@@ -74,5 +74,20 @@
             "interface": "jtag",
             "runToMain": true,
         },
+        {
+            "type": "cortex-debug",
+            "request": "launch",
+            "name": "Debug UART",
+            "servertype": "jlink",
+            "gdbPath": "/usr/bin/gdb-multiarch",
+            "cwd": "${workspaceRoot}",
+            "device": "VA10820",
+            "svdFile": "./va108xx-rs/svd/va108xx-base.svd.patched",
+            "preLaunchTask": "rust: cargo build button uart",
+            "executable": "${workspaceFolder}/target/thumbv6m-none-eabi/debug/examples/uart",
+            "interface": "jtag",
+            "runToMain": true,
+        },
+        
     ]
 }

.vscode/tasks.json

@@ -52,6 +52,18 @@
                 "isDefault": true
             }
         },
+        {
+            "label": "rust: cargo build button uart",
+            "type": "shell",
+            "command": "~/.cargo/bin/cargo", // note: full path to the cargo
+            "args": [
+                "build", "-p", "va108xx-hal", "--example", "uart",
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
 
         {
             "label": "rust: cargo build led blinky",

va108xx-hal-rs

@@ -1 +1 @@
-Subproject commit 11973c3d022d14c7238fc991c277e44f3d837f40
+Subproject commit d05498f7de3a83041245abaaae4c38bd7576aff4