# Channel of guix definitions

## Setup

This is a guix channel. To setup and use it, add the following record:

``` example
(channel
 (name 'cogd)
 (url "https://repo.pisemsky.site/git/cogd")
 (introduction
  (make-channel-introduction
   "fcdf9f9ce0d8d0ebd035fa55ec7c1ddd6890e728"
   (openpgp-fingerprint
    "15FF37F790C1BADB35B3752BE3D3B72AB5733021"))))
```

to your guix channel configuration file, save it, and run `guix pull`.

## Services

### USB relay daemon

USB relay daemon allows controlling locally connected USB HID relays remotely via MQTT protocol.

* Variable: `usbrelayd-service-type`

  This is the service type for the USB relay daemon.  Its value is a `usbrelayd-configuration` (see below).

* Data Type: `usbrelayd-configuration`

  This is the configuration for the USB relay daemon, with the following fields:

  * `package` (default: `python-usbrelay`)

    The package containing the USB relay daemon.

  * `mqtt-broker` (default: `"localhost"`)

    The hostname or IP address of the MQTT broker.

  * `mqtt-client` (default: `"usbrelayd"`)

    The client name used when connecting to the broker.

## Copying

SPDX-FileCopyrightText: 2025 Evgeny Pisemsky <mail@pisemsky.site>

SPDX-License-Identifier: GPL-3.0-or-later