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41 lines
917 B
Zig
41 lines
917 B
Zig
const std = @import("std");
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const micro = @import("microzig.zig");
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pub fn busySleep(comptime limit: comptime_int) void {
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if (limit <= 0) @compileError("limit must be non-negative!");
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comptime var bits = 0;
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inline while ((1 << bits) <= limit) {
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bits += 1;
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}
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const I = std.meta.Int(.unsigned, bits);
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var i: I = 0;
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while (i < limit) : (i += 1) {
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@import("std").mem.doNotOptimizeAway(i);
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}
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}
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const DebugErr = error{};
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fn writerWrite(ctx: void, string: []const u8) DebugErr!usize {
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_ = ctx;
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write(string);
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return string.len;
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}
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const DebugWriter = std.io.Writer(void, DebugErr, writerWrite);
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pub fn write(string: []const u8) void {
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if (!micro.config.has_board)
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return;
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if (!@hasDecl(micro.board, "debugWrite"))
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return;
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micro.board.debugWrite(string);
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}
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pub fn writer() DebugWriter {
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return DebugWriter{ .context = {} };
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}
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