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Re: Question regarding qmk firmware

From: Ekaitz Zarraga
Subject: Re: Question regarding qmk firmware
Date: Sun, 08 Oct 2023 10:28:43 +0000

------- Original Message -------
On Saturday, October 7th, 2023 at 21:23, Fredrik Salomonsson 
<> wrote:

> Hi,
> Today I was tweaking a keymap for one of my qmk based keyboards but some
> of the packages I used when building the firmware has been removed. My
> commad was as follows:
> `sh guix shell avr-toolchain dfu-programmer qmk -- qmk flash -kb 
> ergodox_infinity -km plattfot -bl dfu-split-left`
> But `avr-toolchain` is gone. When I tried to just drop it and see if it
> worked I get
> `Ψ Compiling keymap with make --jobs=1 
> ergodox_infinity:plattfot:dfu-split-left QMK Firmware 0.14.19 Making 
> ergodox_infinity with keymap plattfot and target dfu-split-left 
> /gnu/store/rib9g2ig1xf3kclyl076w28parmncg4k-bash-minimal-5.1.16/bin/sh: line 
> 1: arm-none-eabi-gcc: command not found`
> It seems `arm-none-eabi-toolchain` is also removed. Looking at the
> commit history for guix it looks like they got replaced by
> [proceduers][0] instead.
> [0] 
> My question is how do I get access to the arm-none-eabi-toolchain from
> the commandline with guix shell?
> Thanks

Hi Fredrik,

Now what you need to do is call to the `make-avr-toolchain` function from `(gnu 
packages avr)` to get that.

Maybe the easiest way is to create a `manifest.scm` where you do something like 
this (i'm doing it by memory):

``` scheme
(use-modules (gnu packages avr)
             (gnu packages flashing-tools)
             (gnu packages firmware))

(packages->manifest (list (make-avr-toolchain) dfu-programmer qmk))

Then use `guix shell -m manifest.scm`.

There are other ways to do it, but I find this the easiest.
You can even make a package for your firmware and let guix compile it for you 
(and maybe flash it too?).


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