Unpublish Firmware

Source: OCPP 2.0.1 Part 2 — Specification (Edition 2, 2022-12-15) — Section 1.63 (Messages); Use Case L04 — Unpublish Firmware file on Local Controller (Functional Block L. FirmwareManagement)

Overview

The CSMS sends UnpublishFirmwareRequest to a Local Controller (acting as Charging Station in the OCPP topology) to remove a previously-published firmware file. The file is identified by its MD5 checksum.

Pairs with PublishFirmware (L03).

Sequence Diagram

CSMS  ──── UnpublishFirmwareRequest ────▶  Charging Station (Local Controller)
            (checksum)
CSMS  ◀─── UnpublishFirmwareResponse ────  Charging Station (Local Controller)
            (status)

Initiator

CSMS → Charging Station (Local Controller)

Fields

UnpublishFirmwareStatusEnumType values

• DownloadOngoing — Cannot unpublish; a download is in progress.
• NoFirmware — No matching firmware found.
• Unpublished — Successfully unpublished.

Examples

{
  "checksum": "9e107d9d372bb6826bd81d3542a419d6"
}

{
  "status": "Unpublished"
}

Schema

Source: schemas/UnpublishFirmwareRequest.json, schemas/UnpublishFirmwareResponse.json (OCPP 2.0.1 FINAL)