boards: rename from hardware and update build files

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "hardware/microzig"]
-	path = hardware/microzig
+[submodule "boards/microzig"]
+	path = boards/microzig
 	url = git@github.com:ZigEmbeddedGroup/microzig.git

boards/build.zig

@@ -1,28 +1,32 @@
 const std = @import("std");
 const mz = @import("microzig");
 
-const devices = .{
-    .pico,
+const Board = enum {
+    pico,
+
+    const all = .{
+        .pico,
+    };
 };
 
 pub fn build(b: *std.Build) void {
-    inline for (devices) |device| {
-        const spec = Spec(device).init(b).?;
-        const metadata = Spec(device).metadata;
+    inline for (Board.all) |board| {
+        const spec = Spec(board).init(b).?;
+        const metadata = Spec(board).metadata;
         const step = b.step(metadata.name, metadata.description);
         spec.build(b);
         step.dependOn(spec.micro_build.builder.getInstallStep());
     }
 }
 
-fn Spec(comptime device: Device) type {
+fn Spec(comptime board: Board) type {
     return struct {
         const Self = @This();
-        const MicroBuild = mz.MicroBuild(switch (device) {
+        const MicroBuild = mz.MicroBuild(switch (board) {
             .pico => .{ .rp2xxx = true },
         });
         const Target = mz.Target;
-        const metadata = switch (device) {
+        const metadata = switch (board) {
             .pico => .{
                 .name = "pico",
                 .description = "Raspberry Pi Pico",
@@ -36,7 +40,7 @@ fn Spec(comptime device: Device) type {
         fn init(b: *std.Build) ?Self {
             const mz_dep = b.dependency("microzig", .{});
 
-            switch (device) {
+            switch (board) {
                 .pico => {
                     const micro_build = MicroBuild.init(b, mz_dep) orelse return null;
 
@@ -66,7 +70,3 @@ fn Spec(comptime device: Device) type {
         }
     };
 }
-
-const Device = enum {
-    pico,
-};

boards/build.zig.zon

@@ -1,11 +1,11 @@
 .{
-    .name = "reticulum_hw",
+    .name = .reticulum_boards,
     .version = "0.1.0",
-    .minimum_zig_version = "0.13.0",
+    .minimum_zig_version = "0.14.1",
+    .fingerprint = 0xc2682806322092ca,
     .paths = .{
         "build.zig",
         "build.zig.zon",
-        "README.md",
         "rpi/pico/",
     },
     .dependencies = .{

boards/rpi/pico/main.zig

@@ -57,7 +57,7 @@ pub fn main() !void {
 
         const message = serial.read();
         if (message.len > 0) {
-            const hash = rt.crypto.Hash.hash_data(message);
+            const hash = rt.crypto.Hash.ofData(message);
             serial.writeFmt("Your message: {s} => hash {s}\n", .{ message, hash.hex() });
         }
     }
@@ -70,8 +70,8 @@ fn make_announce(ally: std.mem.Allocator, clock: rt.System.Clock, rng: *rt.Syste
     _ = try builder
         .set_identity(identity)
         .set_direction(.in)
-        .set_method(.single)
-        .set_application_name("reticulum-pico");
+        .setMethod(.single)
+        .set_app_name("reticulum-pico");
     _ = try builder.append_aspect("test");
     const endpoint = try builder.build();