Adds building support for STM32

README.md

@@ -1,2 +1,3 @@
 # microzig-examples
+
 Examples for embedded zig!

build.zig

@@ -1,34 +1,52 @@
 const std = @import("std");
 const rp2040 = @import("rp2040");
-const microzig_build = @import("microzig");
+const stm32 = @import("stm32");
 
 pub fn build(b: *std.Build) void {
-    const microzig = microzig_build.init(b, "microzig");
+    const microzig = @import("microzig").init(b, "microzig");
-
     const optimize = b.standardOptimizeOption(.{});
 
+    const TargetDesc = struct {
+        target: @import("microzig").Target,
+        name: []const u8,
+    };
+
+    const available_targets = [_]TargetDesc{
+        // RP2040
+        .{ .name = "pico", .target = rp2040.boards.raspberry_pi.pico },
+        .{ .name = "rp2040-eth", .target = rp2040.boards.waveshare.rp2040_eth },
+        .{ .name = "rp2040-plus-4m", .target = rp2040.boards.waveshare.rp2040_plus_4m },
+        .{ .name = "rp2040-plus-16m", .target = rp2040.boards.waveshare.rp2040_plus_16m },
+        .{ .name = "rp2040-matrix", .target = rp2040.boards.waveshare.rp2040_matrix },
+
+        // STM32
+        .{ .name = "stm32f103x8", .target = stm32.chips.stm32f103x8 },
+        .{ .name = "stm32f303vc", .target = stm32.chips.stm32f303vc },
+        .{ .name = "stm32f407vg", .target = stm32.chips.stm32f407vg },
+        .{ .name = "stm32f429zit6u", .target = stm32.chips.stm32f429zit6u },
+        .{ .name = "stm32f3discovery", .target = stm32.boards.stm32f3discovery },
+        .{ .name = "stm32f4discovery", .target = stm32.boards.stm32f4discovery },
+        .{ .name = "stm3240geval", .target = stm32.boards.stm3240geval },
+        .{ .name = "stm32f429idiscovery", .target = stm32.boards.stm32f429idiscovery },
+    };
+
+    for (available_targets) |dest| {
         // `addFirmware` basically works like addExecutable, but takes a
         // `microzig.Target` for target instead of a `std.zig.CrossTarget`.
         //
         // The target will convey all necessary information on the chip,
         // cpu and potentially the board as well.
         const firmware = microzig.addFirmware(b, .{
-        .name = "blinky",
+            .name = b.fmt("empty-{s}", .{dest.name}),
-        .target = rp2040.boards.raspberry_pi.pico,
+            .target = dest.target,
             .optimize = optimize,
-        .source_file = .{ .path = "src/blinky.zig" },
+            .source_file = .{ .path = "src/empty.zig" },
         });
 
-    // Pendant to `getEmittedBin()`: Always returns the path to the output elf file
-    _ = firmware.getEmittedElf();
-
-    // Extension of `getEmittedElf()` that will also convert the file to the given
-    // binary format.
-    _ = firmware.getEmittedBin(null); // `null` is preferred format, in this case uf2
-
         // `installFirmware()` is the MicroZig pendant to `Build.installArtifact()`
         // and allows installing the firmware as a typical firmware file.
         //
         // This will also install into `$prefix/firmware` instead of `$prefix/bin`.
         microzig.installFirmware(b, firmware, .{});
+    }
 }

build.zig.zon

@@ -3,12 +3,16 @@
     .version = "0.1.0",
     .dependencies = .{
         .microzig = .{
-            .url = "https://github.com/ZigEmbeddedGroup/microzig/archive/44ab82cac86ab7fbd4e6718021d51a2bb8c4a42c.tar.gz",
+            .url = "https://github.com/ZigEmbeddedGroup/microzig/archive/c6c9ec4516f57638e751141085c9d76120990312.tar.gz",
-            .hash = "122039437ab5c8946e3f1f77dec17092f0c6cae9fcd830bce89f03725e75a02d101b",
+            .hash = "1220af58bdaa721b8189f3a7adfda660517dd354463463388e96d69fe4ceccf80b92",
         },
         .rp2040 = .{
-            .url = "https://github.com/ZigEmbeddedGroup/raspberrypi-rp2040/archive/b9c361be68215d48657ec3684c8a30ebbc74efd5.tar.gz",
+            .url = "https://github.com/ZigEmbeddedGroup/raspberrypi-rp2040/archive/67d36eebb0fbd89633db1a51d6d2bcb049f2066a.tar.gz",
-            .hash = "1220aa6da071763468a358e82af753db23513e12120cf749bdb8bb4f8ea2a8b6da7b",
+            .hash = "122094bf268f45b188f3916f9e5964f4257414afaafba98a455ac47d25389a456832",
+        },
+        .stm32 = .{
+            .url = "https://github.com/ZigEmbeddedGroup/stmicro-stm32/archive/cb2893707efa6aa289fa72f02959ad5f2d9db2a1.tar.gz",
+            .hash = "12208cab5f60ef97cac4165ad694f3ba0c7b28f279538c1539b74f7c152f34fe306d",
         },
     },
 }

ezpkg.sh

@@ -2,4 +2,8 @@
 
 exec ezpkg \
     microzig=/home/felix/projects/zeg/microzig \
-    rp2040=/home/felix/projects/zeg/device-support-package/rp2040
+    microzig.uf2=/home/felix/projects/zeg/uf2 \
+    microzig.regz=/home/felix/projects/zeg/regz \
+    rp2040=/home/felix/projects/zeg/device-support-package/rp2040 \
+    stm32=/home/felix/projects/zeg/device-support-package/stmicro-stm32
+    

src/empty.zig

@@ -0,0 +1,6 @@
+const std = @import("std");
+const microzig = @import("microzig");
+
+pub fn main() void {
+    //
+}