launch.json for VSCode

{
    // 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": "C++ Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceRoot}/BUILD/MTS_MDOT_F411RE/GCC_ARM-DEBUG/${workspaceRootFolderName}.elf",
            "args": [],
            "stopAtEntry": true,
            "cwd": "${workspaceRoot}",
            "environment": [],
            "launchCompleteCommand": "exec-continue",
            "externalConsole": false,
            "debugServerPath":"openocd",
            "debugServerArgs": "-f /usr/share/openocd/scripts/board/st_nucleo_f4.cfg -f /usr/share/openocd/scripts/interface/stlink-v2-1.cfg -c init -c \"reset init\"",
            "serverLaunchTimeout": 20000,
            "filterStderr": true,
            "filterStdout": false,
            "serverStarted": "target halted due to debug-request, current mode: Thread",
            "preLaunchTask": "mbed",
            "setupCommands": [
                { "text": "-target-select remote localhost:3333", "description": "connect to target", "ignoreFailures": false },
                { "text": "-file-exec-and-symbols ${workspaceRoot}/BUILD/MTS_MDOT_F411RE/GCC_ARM-DEBUG/${workspaceRootFolderName}.elf", "description": "load file", "ignoreFailures": false},
                { "text": "-interpreter-exec console \"monitor endian little\"", "ignoreFailures": false },
                { "text": "-interpreter-exec console \"monitor reset\"", "ignoreFailures": false },
                { "text": "-interpreter-exec console \"monitor halt\"", "ignoreFailures": false },
                { "text": "-interpreter-exec console \"monitor arm semihosting enable\"", "ignoreFailures": false },
                { "text": "-target-download", "description": "flash target", "ignoreFailures": false }
            ],
            "logging": {
                "moduleLoad": true,
                "trace": true,
                "engineLogging": true,
                "programOutput": true,
                "exceptions": true
            },
            "linux": {
                "MIMode": "gdb",
                "MIDebuggerPath": "/usr/bin/arm-none-eabi-gdb"
            },
            "windows": {
                "preLaunchTask": "mbed",
                "MIMode": "gdb",
                "MIDebuggerPath": "C:\\Program Files (x86)\\GNU Tools ARM Embedded\\6 2017-q2-update\\bin\\arm-none-eabi-gdb.exe",
                "debugServerPath": "C:\\Program Files (x86)\\openocd\\0.10.0-11.1\\bin\\openocd.exe",
                "debugServerArgs": "-f \"C:/Program Files (x86)/openocd/0.10.0-11.1/scripts/board/st_nucleo_f4.cfg\" -f \"C:/Program Files (x86)/openocd/0.10.0-11.1/scripts/interface/stlink-v2-1.cfg\" -c init -c \"reset init\"",
                "setupCommands": [
                    { "text": "-environment-cd ${workspaceRoot}\\BUILD\\MTS_MDOT_F411RE\\GCC_ARM-DEBUG\\" },
                    { "text": "-target-select remote localhost:3333", "description": "connect to target", "ignoreFailures": false },
                    { "text": "-file-exec-and-symbols ${workspaceRootFolderName}.elf", "description": "load file", "ignoreFailures": false},
                    { "text": "-interpreter-exec console \"monitor endian little\"", "ignoreFailures": false },
                    { "text": "-interpreter-exec console \"monitor reset\"", "ignoreFailures": false },
                    { "text": "-interpreter-exec console \"monitor halt\"", "ignoreFailures": false },
                    { "text": "-interpreter-exec console \"monitor arm semihosting enable\"", "ignoreFailures": false },
                    { "text": "-target-download", "description": "flash target", "ignoreFailures": false }
                ]
            }
        }
    ]
}