CydandClaude Fable 5
3b2af7b79a
Prepares RioJoy.Core for the net40 (Windows XP) target, which has no System.Memory, ValueTask, or System.Text.Json: - IRioTransport and the whole protocol/framing layer now use byte[] + Task (RioPacket.Payload, PacketParser/Builder, RioChecksum, replies, AnalogReport, RioHidReport). At 9600 baud Span bought nothing; the SerialPortTransport bridge copies disappear entirely. - ConfigStore/OverlayTemplateStore switch to Newtonsoft 13 with the same conventions (indented, PascalCase, string enums, null-skipping); verified against the real STJ-written config.json and regions.json (load + round-trip). System.Memory and System.Text.Json packages dropped. 275 tests green. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
53 lines
2.0 KiB
C#
53 lines
2.0 KiB
C#
using RioJoy.Core.Serial;
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namespace RioJoy.Core.Plasma;
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/// <summary>
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/// Drives the plasma / VFD text display over its (secondary) serial transport,
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/// writing the ESC sequences built by <see cref="PlasmaCommands"/>. Thin async
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/// wrapper around an <see cref="IRioTransport"/>; the display is write-only. The
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/// content shown is per-profile (Phase 5+).
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/// </summary>
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public sealed class PlasmaDisplay
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{
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private readonly IRioTransport _transport;
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public PlasmaDisplay(IRioTransport transport)
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{
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_transport = transport ?? throw new ArgumentNullException(nameof(transport));
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}
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public Task ClearAsync(CancellationToken ct = default) =>
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WriteAsync(PlasmaCommands.Clear(), ct);
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public Task CursorHomeAsync(CancellationToken ct = default) =>
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WriteAsync(PlasmaCommands.CursorHome(), ct);
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public Task TextAsync(string text, CancellationToken ct = default) =>
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WriteAsync(PlasmaCommands.Text(text), ct);
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/// <summary>
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/// Position the cursor, set attribute + font, and write text — the
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/// <c>PlasmaPosText</c> sequence (auto-fit via
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/// <see cref="PlasmaCommands.ResolvePosText"/>). Pass (0,0) to auto-center.
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/// </summary>
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public async Task PosTextAsync(
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string text, byte x = 0, byte y = 0, byte attr = 0, byte font = 0,
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CancellationToken ct = default)
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{
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if (string.IsNullOrEmpty(text))
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return;
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(byte rx, byte ry, byte rfont, int len) = PlasmaCommands.ResolvePosText(text, x, y, font);
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await WriteAsync(PlasmaCommands.CursorX(rx), ct).ConfigureAwait(false);
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await WriteAsync(PlasmaCommands.CursorY(ry), ct).ConfigureAwait(false);
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await WriteAsync(PlasmaCommands.FontAttr(attr), ct).ConfigureAwait(false);
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await WriteAsync(PlasmaCommands.Font(rfont), ct).ConfigureAwait(false);
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await WriteAsync(PlasmaCommands.Text(text[..len]), ct).ConfigureAwait(false);
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}
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private Task WriteAsync(byte[] data, CancellationToken ct) =>
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_transport.WriteAsync(data, ct);
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}
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