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Bouke van der Bijl 2022-12-20 18:31:51 +01:00
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README.md Normal file
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# arduino-nix
A flake that allows building an `arduino-cli` environment with certain packages and libraries pre-installed.
## Example
You need to provide a package index and library index to use `arduino-nix`. You can find some at [arduino-indexes](https://github.com/bouk/arduino-indexes).
Alternatively, you can download them at https://downloads.arduino.cc/packages/package_index.json and https://downloads.arduino.cc/libraries/library_index.json
From the indexes you create overlays which then make the Arduino packages and libraries available for the wrapArduinoCLI function provided by this flake.
```nix
{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
arduino-nix.url = "github:bouk/arduino-nix";
arduino-library-index = {
url = "github:bouk/arduino-indexes/library_index";
flake = false;
};
arduino-package-index = {
url = "github:bouk/arduino-indexes/package_index";
flake = false;
};
arduino-package-rp2040-index = {
url = "github:bouk/arduino-indexes/package_rp2040_index";
flake = false;
};
};
outputs = {
self,
nixpkgs,
flake-utils,
arduino-nix,
arduino-package-index,
arduino-package-rp2040-index,
arduino-library-index,
...
}@attrs:
let
overlays = [
(arduino-nix.overlay)
(arduino-nix.mkArduinoPackageOverlay (arduino-package-index + "/package_index.json"))
(arduino-nix.mkArduinoPackageOverlay (arduino-package-rp2040-index + "/package_rp2040_index.json"))
(arduino-nix.mkArduinoLibraryOverlay (arduino-library-index + "/library_index.json"))
];
in
(flake-utils.lib.eachDefaultSystem (system:
let
pkgs = (import nixpkgs) {
inherit system overlays;
};
in rec {
packages.arduino-cli = pkgs.wrapArduinoCLI {
libraries = with pkgs.arduinoLibraries; [
(arduino-nix.latestVersion ADS1X15)
(arduino-nix.latestVersion Ethernet_Generic)
(arduino-nix.latestVersion SCL3300)
(arduino-nix.latestVersion TMCStepper)
(arduino-nix.latestVersion pkgs.arduinoLibraries."Adafruit PWM Servo Driver Library")
];
packages = with pkgs.arduinoPackages; [
platforms.arduino.avr."1.6.23"
platforms.rp2040.rp2040."2.3.3"
];
};
}
));
}
```

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lib.nix
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in
with builtins; rec {
latestVersion = attrs: (builtins.head (builtins.sort (a: b: (builtins.compareVersions a.version b.version) == 1) (builtins.attrValues (builtins.mapAttrs (version: value: { inherit version value; }) attrs)))).value;
# From tools.go in arduino-cli
# regexpLinuxArm = regexp.MustCompile("arm.*-linux-gnueabihf")
# regexpLinuxArm64 = regexp.MustCompile("(aarch64|arm64)-linux-gnu")
# regexpLinux64 = regexp.MustCompile("x86_64-.*linux-gnu")
# regexpLinux32 = regexp.MustCompile("i[3456]86-.*linux-gnu")
# regexpWindows32 = regexp.MustCompile("i[3456]86-.*(mingw32|cygwin)")
# regexpWindows64 = regexp.MustCompile("(amd64|x86_64)-.*(mingw32|cygwin)")
# regexpMac64 = regexp.MustCompile("x86_64-apple-darwin.*")
# regexpMac32 = regexp.MustCompile("i[3456]86-apple-darwin.*")
# regexpMacArm64 = regexp.MustCompile("arm64-apple-darwin.*")
# regexpFreeBSDArm = regexp.MustCompile("arm.*-freebsd[0-9]*")
# regexpFreeBSD32 = regexp.MustCompile("i?[3456]86-freebsd[0-9]*")
# regexpFreeBSD64 = regexp.MustCompile("amd64-freebsd[0-9]*")
selectSystem = system: systems:
if system == "aarch64-darwin" then
alt (lib.findFirst ({host, ...}: (match "arm64-apple-darwin.*" host) != null) null systems) (selectSystem "x86_64-darwin" systems)

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packages.nix
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# From tools.go in arduino-cli
# regexpLinuxArm = regexp.MustCompile("arm.*-linux-gnueabihf")
# regexpLinuxArm64 = regexp.MustCompile("(aarch64|arm64)-linux-gnu")
# regexpLinux64 = regexp.MustCompile("x86_64-.*linux-gnu")
# regexpLinux32 = regexp.MustCompile("i[3456]86-.*linux-gnu")
# regexpWindows32 = regexp.MustCompile("i[3456]86-.*(mingw32|cygwin)")
# regexpWindows64 = regexp.MustCompile("(amd64|x86_64)-.*(mingw32|cygwin)")
# regexpMac64 = regexp.MustCompile("x86_64-apple-darwin.*")
# regexpMac32 = regexp.MustCompile("i[3456]86-apple-darwin.*")
# regexpMacArm64 = regexp.MustCompile("arm64-apple-darwin.*")
# regexpFreeBSDArm = regexp.MustCompile("arm.*-freebsd[0-9]*")
# regexpFreeBSD32 = regexp.MustCompile("i?[3456]86-freebsd[0-9]*")
# regexpFreeBSD64 = regexp.MustCompile("amd64-freebsd[0-9]*")
{ fetchzip, stdenv, lib, packageIndex, pkgsBuildHost, pkgs, arduinoPackages }:
with builtins;