feat: base project

build.zig

@@ -0,0 +1,57 @@
+const std = @import("std");
+const pico = @import("pico_sdk").pico_sdk;
+
+// Modify proj_name for your project name
+const proj_name = "pico_doorbell";
+
+// supported board: pico, pico_w, pico2, pico2_w
+// Modify board_name for your board
+const board_name = "pico_w";
+// supported pico platform: rp2040, rp2350-arm-s, rp2350-riscv
+// Modify pico_platform for select arm or risc-v, but the risc-v is not supported.
+const pico_platform = "rp2040";
+
+pub fn build(b: *std.Build) anyerror!void {
+    const stdio_type = .usb;
+    const cwy43_arch = .threadsafe_background;
+    const board = try pico.getBoardConfig(board_name, pico_platform, stdio_type, cwy43_arch);
+
+    const target = try pico.getCrossTarget(pico_platform);
+    const optimize = b.standardOptimizeOption(.{});
+
+    const lib = b.addStaticLibrary(.{
+        .name = "zig-pico",
+        .root_source_file = b.path("src/main.zig"),
+        .target = std.Build.resolveTargetQuery(b, target),
+        .optimize = optimize,
+    });
+
+    const option: pico.PicoAppOption = .{
+        .app_name = comptime proj_name,
+        .app_lib = lib,
+        .board = board,
+        // additional pico libs for application, it is none in blink application
+        .pico_libs = "pico_cyw43_arch_lwip_threadsafe_background",
+    };
+
+    std.log.info("Begin build app\n", .{});
+
+    const pico_build = try pico.addPicoApp(b, option);
+
+    const uf2_create_step = b.addInstallFile(b.path("build/pico_doorbell.uf2"), "pico_doorbell.uf2");
+    uf2_create_step.step.dependOn(pico_build);
+
+    const uf2_step = b.step("uf2", "Create firmware.uf2");
+    uf2_step.dependOn(&uf2_create_step.step);
+
+    const elf_create_step = b.addInstallFile(b.path("build/pico_doorbell.elf"), "pico_doorbell.elf");
+    elf_create_step.step.dependOn(pico_build);
+
+    const elf_step = b.step("elf", "Create firmware.elf");
+    elf_step.dependOn(&elf_create_step.step);
+
+    const copy_step = b.step("copy", "Copy firmware");
+    copy_step.dependOn(uf2_step);
+    copy_step.dependOn(elf_step);
+    b.default_step = copy_step;
+}