Bootstrap code

.gitattributes

@@ -0,0 +1 @@
+*.zig text=auto eol=lf

.github/workflows/build.yml

@@ -0,0 +1,26 @@
+name: Build
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest, linux-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Zig
+        uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: 0.11.0
+
+      - name: Build examples
+        run: zig build

.gitignore

@@ -0,0 +1,3 @@
+zig-cache/
+dev-scripts/
+zig-out

build.zig

@@ -0,0 +1,19 @@
+const std = @import("std");
+const microzig = @import("microzig");
+const rp2040 = @import("rp2040");
+
+pub fn build(b: *std.Build) void {
+    const optimize = b.standardOptimizeOption(.{});
+
+    const firmware = microzig.addFirmware(b, .{
+        .name = "blinky",
+        .target = rp2040.chips.rp2040,
+        .optimize = optimize,
+        .source_file = .{ .path = "src/blinky.zig" },
+    });
+
+    microzig.installFirmware(firmware, .{
+        
+        .format = .uf2, // .dfu, .bin, .hex, .elf, …
+    });
+}

build.zig.zon

@@ -0,0 +1,14 @@
+.{
+    .name = "microzig-examples",
+    .version = "0.1.0",
+    .dependencies = .{
+        .microzig = .{
+            .url = "https://github.com/ZigEmbeddedGroup/microzig/archive/f0a6aa9ce1829df91f2d7f160bbc6f5bc41a3c80.tar.gz",
+            .hash = "12203f8cb7803a82dff1310ab0917055c0055bc7385f1321bbaf0de998b26a00b44d",
+        },
+        .rp2040 = .{
+            .url = "https://github.com/ZigEmbeddedGroup/raspberrypi-rp2040/archive/2a0c0ff2814a716a163822211c2686d84801a97a.tar.gz",
+            .hash = "12208735720ddf172a28943f1b17375f7b16370140be9c458f1482076025e465c3b0",
+        },
+    },
+}

ezpkg.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+exec ezpkg \
+    microzig=/home/felix/projects/zeg/microzig \
+    rp2040=/home/felix/projects/zeg/device-support-package/rp2040

shell.nix

@@ -0,0 +1,8 @@
+{pkgs ? import <nixpkgs> {}}:
+pkgs.mkShell {
+  nativeBuildInputs = [
+    pkgs.zig_0_11_0
+    pkgs.picotool
+  ];
+  buildInputs = [];
+}

src/blinky.zig

@@ -0,0 +1,20 @@
+const std = @import("std");
+const microzig = @import("microzig");
+const rp2040 = microzig.hal;
+const time = rp2040.time;
+
+const pin_config = rp2040.pins.GlobalConfiguration{
+    .GPIO25 = .{
+        .name = "led",
+        .direction = .out,
+    },
+};
+
+pub fn main() !void {
+    const pins = pin_config.apply();
+
+    while (true) {
+        pins.led.toggle();
+        time.sleep_ms(250);
+    }
+}