OpenOCD launch for VSCode

tasks.json

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  "version": "2.0.0",
  "options": {
    "env": {
      "OPENOCD_SCRIPTS": "${workspaceRoot}\\..\\OpenOCD-20170609\\share\\openocd\\scripts"
    }
  },
  "tasks": [
  {
    "type": "shell",
    "label": "Start-OpenOCD",
    "command": "openocd",
    "args": [
      "-f", "interface\\stlink-v2-1.cfg",
      "-f", "target\\stm32f1x.cfg"
    ],
    "problemMatcher": {
      "pattern": {
        "regexp": "^(Info |Warn |Error):(.*)$",
        "severity": 1,
        "message": 2
      },
      "background": {
         "activeOnStart": true,
         "beginsPattern": "^Open On-Chip Debugger.*",
         "endsPattern": ".*watchpoints.*"
        }
      },
      "presentation": {
        "reveal":"always"
      },
      "isBackground": true
    }
  ]
}