let
  pkgs = import (fetchTarball { url = "https://github.com/NixOS/nixpkgs/archive/20.03.tar.gz"; sha256 = "0182ys095dfx02vl2a20j1hz92dx3mfgz2a6fhn31bqlp1wa8hlq"; }) {};
  pyPackages = (python-packages: with python-packages; ([
    solo-python pytest
  ] ++ (with builtins; map (d: getAttr d python-packages) (filter (d: stringLength d > 0) (pkgs.lib.splitString "\n" (builtins.readFile ./tools/requirements.txt))))));
  python-with-my-packages = pkgs.python3.withPackages pyPackages;
  src = ./.;
  tinycbor = with pkgs; stdenv.mkDerivation {
  	name = "tinycbor";
        src = "${src}/tinycbor";
        makeFlags = [ "PREFIX=$(out)" "prefix=$(out)" ];
        buildInputs = [ gcc gcc-arm-embedded-8 ];
  };
 standalone = with pkgs; stdenv.mkDerivation {
  name = "solo-standalone";
  src = [
        src
        tinycbor
  ];
  buildInputs = [ gnumake gcc gcc-arm-embedded-8 python-with-my-packages ];
  installPhase = ''
        make clean
        make all PREFIX=$(out)" "prefix=$(out)
        mkdir -p $out/bin
        cp main $out/bin/
  '';
 };
in
with pkgs; stdenv.mkDerivation {
	name = "solo";
	outputs = [ "out" "firmware" ];
	src = builtins.filterSource (path: type: (!(lib.hasSuffix path "./tinycbor/lib") && !(lib.hasSuffix path ".hex")&& !(lib.hasSuffix path ".sha256")&& !(lib.hasSuffix path ".elf"))) ./.;
	buildInputs = [ gnumake gcc gcc-arm-embedded-8 git python-with-my-packages ];
########installPhase = ''
########	mkdir -p $firmware $standalone/bin/
########	cp main $standalone/bin/
########	cd stm32l432
########	make firmware
########	cp *.hex *.sha256 *.elf cubeconfig_stm32l442.ioc $firmware/ 
########'';
	installPhase = ''
		cd targets/stm32l432
		make cbor
		make build-hacker
		cp *.hex *.sha256 *.elf cubeconfig_stm32l442.ioc $firmware/
	'';
}