91 lines
3.0 KiB
Nix
91 lines
3.0 KiB
Nix
{
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description = "AVR";
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inputs = {
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nixpkgs.url = "nixpkgs/nixos-21.11";
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};
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outputs = { self, nixpkgs }:
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let
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version = builtins.string 0 8 self.lastModifiedDate;
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supportedSystems = [ "x86_64-linux" "avr-none" ];
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in
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{
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packages."x86_64-linux"."flame" =
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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avr = pkgs.pkgsCross.avr.buildPackages;
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in pkgs.stdenv.mkDerivation rec {
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name = "flame";
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src = ./.;
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MCU = "attiny85";
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CHIP_SELECT = "AVR_ATtiny85";
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F_CPU = "8000000";
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CFLAGS = ''-O -finline-functions -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -DF_CPU=${F_CPU} -std=gnu99 -D__${CHIP_SELECT}__=1 -mmcu=${MCU}'';
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buildPhase = ''
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${avr.gcc}/bin/avr-gcc ${CFLAGS} -I${src}/base -o base.o -c ${src}/base/base.c
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${avr.gcc}/bin/avr-gcc ${CFLAGS} -I${src}/base -o sk9822.o -c ${src}/sk9822/sk9822.c
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${avr.gcc}/bin/avr-gcc ${CFLAGS} -I${src}/base -I${src}/sk9822 -o main.o -c ${src}/flame/main.c
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${avr.gcc}/bin/avr-gcc ${CFLAGS} -o main.elf main.o sk9822.o base.o
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$OBJCOPY -O ihex main.elf main.hex
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'';
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installPhase = ''
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mkdir $out
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cp main.elf main.hex $out
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'';
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};
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packages."x86_64-linux"."morse-tx" =
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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lib = pkgs.lib;
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avr = pkgs.pkgsCross.avr.buildPackages;
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in pkgs.stdenv.mkDerivation rec {
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name = "morse-tx";
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src = ./.;
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includes = [ "base" "morse" ];
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MCU = "atmega32u4";
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CHIP_SELECT = "AVR_ATmego32u4";
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F_CPU = "8000000";
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CFLAGS = ''-O -finline-functions -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -DF_CPU=${F_CPU} -std=gnu99 -D__${CHIP_SELECT}__=1 -mmcu=${MCU} -DAVR=1'';
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INCLUDE_DIRS = lib.concatStringsSep " " (map (dir: "-I${src}/${dir}") includes);
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buildPhase = ''
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${avr.gcc}/bin/avr-gcc ${CFLAGS} ${INCLUDE_DIRS} -o morse.o -c ${src}/morse/morse.c
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${avr.gcc}/bin/avr-gcc ${CFLAGS} ${INCLUDE_DIRS} -o main.o -c ${src}/morse_tx/main.c
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${avr.gcc}/bin/avr-gcc ${CFLAGS} -o main.elf main.o morse.o
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$OBJCOPY -O ihex main.elf main.hex
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'';
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installPhase = ''
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mkdir $out
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cp main.elf main.hex $out
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'';
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};
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devShell."x86_64-linux" =
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let
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pkgs = import nixpkgs { system = "x86_64-linux"; };
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avr = with pkgs.pkgsCross.avr.buildPackages; [
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binutils
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gcc
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gdb
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avrdude
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simavr
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gtkwave
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];
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in
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pkgs.mkShell {
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name = "avr-shell";
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buildInputs = avr;
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GCC = pkgs.pkgsCross.avr.buildPackages.gcc;
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SIMAVR = pkgs.pkgsCross.avr.buildPackages.simavr;
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};
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};
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}
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