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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu packages drones)
#:use-module (guix licenses)
#:use-module (guix packages)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages python)
#:use-module (gnu packages python-xyz)
#:use-module (gnu packages xml)
#:use-module (guix download)
#:use-module (guix utils)
#:use-module (guix git-download)
#:use-module (guix build-system gnu))
(define (ardupilot-type->tag type)
(case type
((copter) "Copter")
((plane) "ArduPlane")
((rover) "Rover")
(else #f)))
(define (ardupilot-type->waf-cmd type)
(symbol->string type))
(define* (make-ardupilot-firmware #:key name version base32 type board target)
(package
(name (string-append name "-" board))
(version version)
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/ArduPilot/ardupilot")
(commit (string-append
(ardupilot-type->tag type) "-" version))
;; XXX: Ardupilot includes several git submodules. They should be
;; avoided but as this is not supported upstream, and not trivial
;; to fix, keep it this way for now.
(recursive? #t)))
(file-name (git-file-name name version))
(sha256 base32)))
;; Could also be waf-build-system but every phase has to be rewritten
;; anyway.
(build-system gnu-build-system)
(arguments
`(#:imported-modules ((gnu build cross-toolchain)
,@%gnu-build-system-modules)
#:phases
(modify-phases %standard-phases
(delete 'bootstrap)
;; Remove the root waf script that relies on waf git submodule.
(add-before 'configure 'setup-waf
(lambda* (#:key native-inputs inputs #:allow-other-keys)
(let ((waf (assoc-ref (or native-inputs inputs) "waf")))
(delete-file "waf")
(copy-file (string-append waf "/bin/waf") "waf"))
#t))
;; When cross-compiling, we do not want to use the default gnu
;; cross-compiler, so set CROSS_CPATH and CROSS_LIBRARY_PATH
;; variables ourselves instead.
(delete 'set-cross-path)
(add-before 'configure 'set-custom-cross-cpath
(lambda* (#:key native-inputs inputs #:allow-other-keys)
((@@ (gnu build cross-toolchain) set-cross-path)
#:inputs
`(("libc" . ,(assoc-ref (or native-inputs inputs)
"ardupilot-cross-libc"))
("xkernel-headers" .
,(assoc-ref (or native-inputs inputs)
"ardupilot-cross-kernel-headers"))))
;; We need to produce a static binary, so that it can works on
;; other systems than Guix System. Add a static version of the
;; cross libc to CROSS_LIBRARY_PATH variable.
(setenv "CROSS_LIBRARY_PATH"
(string-append
(getenv "CROSS_LIBRARY_PATH") ":"
(assoc-ref (or native-inputs inputs)
"ardupilot-cross-libc-static") "/lib"))
#t))
;; Remove dependencies to 'git'.
(add-before 'configure 'remove-git
(lambda* (#:key inputs #:allow-other-keys)
(substitute* "wscript"
(("^.*cfg\\.load\\('git_submodule.*$")
""))
(substitute* "Tools/ardupilotwaf/boards.py"
(("^.*GIT_VERSION.*$")
""))
#t))
;; Configure for the given BOARD, and force a static build for
;; reasons exposed above.
(replace 'configure
(lambda* (#:key outputs #:allow-other-keys)
(invoke "./waf" "configure" "--board" ,board "--static")
#t))
(replace 'build
(lambda* (#:key outputs #:allow-other-keys)
(invoke "./waf" ,(ardupilot-type->waf-cmd type))
#t))
;; Do not run tests as we are always cross-compiling.
(delete 'check)
;; Install the produced firmware.
(replace 'install
(lambda* (#:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(bin (string-append out "/bin")))
(mkdir-p bin)
(copy-recursively
(string-append "build/" ,board "/bin") bin))
#t)))))
(native-inputs
`(("waf" ,python-waf)
("python" ,python)
("python-future" ,python-future)
("python-lxml" ,python-lxml)
;; Packages needed for cross-compiling the firmware.
("ardupilot-cross-gcc" ,(cross-gcc target
#:xbinutils
(cross-binutils target)
#:libc
(cross-libc target)))
("ardupilot-cross-libc" ,(cross-libc target))
("ardupilot-cross-libc-static" ,(cross-libc target) "static")
("ardupilot-cross-kernel-headers"
,@(assoc-ref (package-propagated-inputs
(cross-libc target))
"kernel-headers"))
("ardupilot-cross-binutils" ,(cross-binutils target))
("ardupilot-cross-pkg-config" ,(parameterize ((%current-target-system
target))
pkg-config))))
(home-page "https://ardupilot.org/")
(synopsis "Unmanned vehicle autopilot software suite")
(description "@code{ardupilot} is an unmanned vehicle autopilot software
suite capable of controlling autonomous:
@itemize
@item multirotor drones
@item fixed-wing and vtol aircraft
@item helicopters
@item ground rovers
@item boats
@item submarines
@item antenna trackers
@end itemize")
(license gpl3+)))
(define (make-arducopter-firmware board target)
(make-ardupilot-firmware
#:name "arducopter"
#:version "3.6.11"
#:base32 (base32 "1zkr2nhkksmrriirs2dnp8a0gcf9rfqw1x86pzhh6w4ciqwpidqn")
#:type 'copter
#:board board
#:target target))
(define (make-arduplane-firmware board target)
(make-ardupilot-firmware
#:name "arduplane"
#:version "4.0.1"
#:base32 (base32 "0awafvrppg4ilwpbhw88r5xkbgqrmqypsn6lbzyi6bz0zy5cfhb5")
#:type 'plane
#:board board
#:target target))
(define-public arducopter-bbbmini
(make-arducopter-firmware "bbbmini" "arm-linux-gnueabihf"))
(define-public arduplane-bbbmini
(make-arduplane-firmware "bbbmini" "arm-linux-gnueabihf"))
;; Firmware for Bebop and Bebop2 drones.
(define-public arducopter-bebop
(make-arducopter-firmware "bebop" "arm-linux-gnueabihf"))