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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
;;; Copyright © 2015, 2017, 2023 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@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 avr)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix gexp)
#:use-module (guix memoization)
#:use-module (guix utils)
#:use-module (guix download)
#:use-module (guix git-download)
#:use-module (guix packages)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (gnu packages check)
#:use-module (gnu packages compression)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages flashing-tools)
#:use-module (gnu packages gcc)
#:use-module (gnu packages llvm)
#:use-module (gnu packages vim)
#:export (make-avr-toolchain))
;;; Commentary:
;;;
;;; This module defines a procedure that can be used to create a complete
;;; avr-toolchain package. The procedure must not be used at the top level,
;;; to avoid cyclic module dependencies caused by the (gnu packages
;;; cross-base) module referring to top level bindings from (gnu packages
;;; gcc).
;;;
;;; It also contains packages for working with or targeting the AVR system.
;;;
(define make-avr-binutils
(mlambda ()
(package
(inherit (cross-binutils "avr"))
(name "avr-binutils"))))
(define* (make-avr-gcc/implementation #:key (xgcc gcc))
"Return a XGCC-base cross-compiler for the AVR target."
(let ((xgcc (cross-gcc "avr" #:xgcc xgcc #:xbinutils (make-avr-binutils))))
(package
(inherit xgcc)
(name "avr-gcc")
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
#~(modify-phases #$phases
(add-after 'set-paths 'augment-CPLUS_INCLUDE_PATH
(lambda* (#:key inputs #:allow-other-keys)
(let ((gcc (assoc-ref inputs "gcc")))
;; Remove the default compiler from CPLUS_INCLUDE_PATH
;; to prevent header conflict with the GCC from
;; native-inputs.
(setenv "CPLUS_INCLUDE_PATH"
(string-join
(delete (string-append gcc "/include/c++")
(string-split (getenv "CPLUS_INCLUDE_PATH")
#\:))
":"))
(format #t
"environment variable `CPLUS_INCLUDE_PATH' \
changed to ~a~%"
(getenv "CPLUS_INCLUDE_PATH")))))
;; Without a working multilib build, the resulting GCC lacks
;; support for nearly every AVR chip.
(add-after 'unpack 'fix-genmultilib
(lambda _
;; patch-shebang doesn't work here because there are
;; actually several scripts inside this script, each with
;; a #!/bin/sh that needs patching.
(substitute* "gcc/genmultilib"
(("#!/bin/sh") (string-append "#!" (which "sh"))))))))
((#:configure-flags flags)
#~(delete "--disable-multilib" #$flags))))
(native-search-paths
(list (search-path-specification
(variable "CROSS_C_INCLUDE_PATH")
(files '("avr/include")))
(search-path-specification
(variable "CROSS_CPLUS_INCLUDE_PATH")
(files '("avr/include")))
(search-path-specification
(variable "CROSS_OBJC_INCLUDE_PATH")
(files '("avr/include")))
(search-path-specification
(variable "CROSS_OBJCPLUS_INCLUDE_PATH")
(files '("avr/include")))
(search-path-specification
(variable "CROSS_LIBRARY_PATH")
(files '("avr/lib")))))
(native-inputs
`(("gcc" ,gcc)
,@(package-native-inputs xgcc))))))
(define make-avr-gcc
(memoize make-avr-gcc/implementation))
(define* (make-avr-libc/implementation #:key (xgcc gcc))
(package
(name "avr-libc")
(version "2.0.0")
(source (origin
(method url-fetch)
(uri (string-append "mirror://savannah//avr-libc/avr-libc-"
version ".tar.bz2"))
(sha256
(base32
"15svr2fx8j6prql2il2fc0ppwlv50rpmyckaxx38d3gxxv97zpdj"))))
(build-system gnu-build-system)
(arguments
'(#:out-of-source? #t
#:configure-flags '("--host=avr")))
(native-inputs `(("avr-binutils" ,(make-avr-binutils))
("avr-gcc" ,(make-avr-gcc #:xgcc xgcc))))
(home-page "https://www.nongnu.org/avr-libc/")
(synopsis "The AVR C Library")
(description
"AVR Libc is a project whose goal is to provide a high quality C library
for use with GCC on Atmel AVR microcontrollers.")
(license
(license:non-copyleft "http://www.nongnu.org/avr-libc/LICENSE.txt"))))
(define make-avr-libc
(memoize make-avr-libc/implementation))
(define* (make-avr-toolchain/implementation #:key (xgcc gcc))
(let ((avr-binutils (make-avr-binutils))
(avr-libc (make-avr-libc #:xgcc xgcc))
(avr-gcc (make-avr-gcc #:xgcc xgcc)))
;; avr-libc checks the compiler version and passes "--enable-device-lib"
;; for avr-gcc > 5.1.0. It wouldn't install the library for atmega32u4
;; etc if we didn't use the corret avr-gcc.
(package
(name "avr-toolchain")
(version (package-version avr-gcc))
(source #f)
(build-system trivial-build-system)
(arguments '(#:builder (begin (mkdir %output) #t)))
(propagated-inputs
`(("avrdude" ,avrdude)
("binutils" ,avr-binutils)
("gcc" ,avr-gcc)
("libc" ,avr-libc)))
(synopsis "Complete GCC tool chain for AVR microcontroller development")
(description "This package provides a complete GCC tool chain for AVR
microcontroller development. This includes the GCC AVR cross compiler and
avrdude for firmware flashing. The supported programming languages are C and
C++.")
(home-page (package-home-page avr-libc))
(license (package-license avr-gcc)))))
(define make-avr-toolchain
(memoize make-avr-toolchain/implementation))
(define-public microscheme
(package
(name "microscheme")
(version "0.9.4")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/ryansuchocki/microscheme")
(commit (string-append "v" version))))
(sha256
(base32 "1bflwirpcd58bngbs6hgjfwxl894ni2gpdd4pj10pm2mjhyj5dgw"))
(file-name (git-file-name name version))))
(build-system gnu-build-system)
(arguments
`(#:parallel-build? #f ; fails to build otherwise
#:tests? #f ; no tests
#:phases
(modify-phases %standard-phases
(delete 'configure))
#:make-flags
(list (string-append "PREFIX=" (assoc-ref %outputs "out")))))
(native-inputs
(list clang cppcheck unzip xxd))
(home-page "https://github.com/ryansuchocki/microscheme/")
(synopsis "Scheme subset for Atmel microcontrollers")
(description
"Microscheme, or @code{(ms)} for short, is a functional programming
language for the Arduino, and for Atmel 8-bit AVR microcontrollers in general.
Microscheme is a subset of Scheme, in the sense that every valid @code{(ms)}
program is also a valid Scheme program (with the exception of Arduino
hardware-specific primitives). The @code{(ms)} compiler performs function
inlining, and features an aggressive tree-shaker, eliminating unused top-level
definitions. Microscheme has a robust @dfn{Foreign Function Interface} (FFI)
meaning that C code may be invoked directly from (ms) programs.")
(license license:expat)))
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