# Workbench local compile and flash for Core platform - Is this possible?

**URL:** <https://community.particle.io/t/workbench-local-compile-and-flash-for-core-platform-is-this-possible/56650>\
**Category:** Developer Tools\
**Tags:** workbench, core\
**Created:** [June 15, 2020, 4:55pm UTC](https://community.particle.io/t/workbench-local-compile-and-flash-for-core-platform-is-this-possible/56650 "2020-06-15T16:55:40Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![m\_m](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/m_m/32/18365_2.png) [@m\_m](https://community.particle.io/u/m_m)\
**Post date:** [June 15, 2020, 6:29pm UTC](https://community.particle.io/t/workbench-local-compile-and-flash-for-core-platform-is-this-possible/56650/13 "2020-06-15T18:29:51Z")

</div>

> Is there any chance we can keep support for the “core” as part of workbench?

realistically, no.

that said, you should be able to lean on WB's support for custom Device OS builds:

[https://support.particle.io/hc/en-us/articles/360039251434/#working-with-a-custom-device-os-build](https://support.particle.io/hc/en-us/articles/360039251434/#working-with-a-custom-device-os-build)

you'll need to add / replace the `<device-os-repo>/.workbench/manifest.json` file (depending on the version of Device OS you need to run) with one that looks like:

```json
{
    "version": "1.0.0",
    "toolchains": [
        {
            "firmware": "deviceOS@source",
            "compilers": "gcc-arm@5.3.1",
            "debuggers": "openocd@0.11.2-adhoc6ea4372.0",
            "platforms": [1],
            "scripts": "buildscripts@1.9.2",
            "tools": "buildtools@1.1.1"
        }
    ],
    "platforms": [
        {
            "id": 1,
            "name": "core",
            "generation": 1
        }
    ]
}

```

...or something along those lines - you'll have to experiment a bit to find the right settings. this approach is better in that you won't have to reapply changes when WB updates.

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