[feat](trx-rs): add FT2 decoder support (wired to FT4)

Mirrors the FT4 implementation across the full stack. The trx-ft8
crate wires Ft8Decoder::new_ft2() to FTX_PROTOCOL_FT4 as a
placeholder pending a dedicated FT2 implementation.

Changes:
- trx-ft8: Ft8Decoder::new_ft2() delegates to with_protocol(Ft4)
- trx-core: DecodedMessage::Ft2, AUDIO_MSG_FT2_DECODE (0x15),
  ft2_decode_enabled/ft2_decode_reset_seq state, SetFt2DecodeEnabled/
  ResetFt2Decoder commands, protocol mapping
- trx-server: DecoderHistories::ft2, run_ft2_decoder (7.5s slots),
  run_background_ft2_decoder, history push/replay, decoder task spawn
- trx-frontend-http: ft2_history in FrontendRuntimeContext,
  toggle/clear endpoints, /ft2.js route, bookmark/scheduler/background
  decode support, DecodeHistoryPayload ft2 field
- web: ft2.js plugin (3.75s period timer), FT2 subtab in index.html,
  FT2 map source (distinct hue), app.js dispatch, decode-history-worker
  HISTORY_GROUP_KEYS, bookmarks read/write/apply

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
This commit is contained in:
2026-03-14 19:34:41 +01:00
parent 708c00a84c
commit d547c45a9c
25 changed files with 683 additions and 26 deletions
@@ -0,0 +1,191 @@
// --- FT2 Decoder Plugin (server-side decode) ---
// SPDX-FileCopyrightText: 2026 Stanislaw Grams <stanislawgrams@gmail.com>
// SPDX-License-Identifier: BSD-2-Clause
function ft8RenderMessageFt2(message) {
if (typeof renderFt8Message === "function") return renderFt8Message(message);
if (typeof ft8EscapeHtml === "function") return ft8EscapeHtml(message);
return message;
}
const ft2Status = document.getElementById("ft2-status");
const ft2PeriodEl = document.getElementById("ft2-period");
const ft2MessagesEl = document.getElementById("ft2-messages");
const ft2FilterInput = document.getElementById("ft2-filter");
const ft2PauseBtn = document.getElementById("ft2-pause-btn");
const FT2_PERIOD_MS = 3750;
let ft2FilterText = "";
let ft2MessageHistory = [];
let ft2Paused = false;
let ft2BufferedWhilePaused = 0;
function currentFt2HistoryRetentionMs() {
return typeof window.getDecodeHistoryRetentionMs === "function"
? window.getDecodeHistoryRetentionMs()
: 24 * 60 * 60 * 1000;
}
function pruneFt2MessageHistory() {
const cutoffMs = Date.now() - currentFt2HistoryRetentionMs();
ft2MessageHistory = ft2MessageHistory.filter((msg) => Number(msg?._tsMs ?? msg?.ts_ms) >= cutoffMs);
}
function scheduleFt2Ui(key, job) {
if (typeof window.trxScheduleUiFrameJob === "function") {
window.trxScheduleUiFrameJob(key, job);
return;
}
job();
}
function scheduleFt2HistoryRender() { scheduleFt2Ui("ft2-history", () => renderFt2History()); }
function normalizeFt2DisplayFreqHz(freqHz) {
const rawHz = Number(freqHz);
if (!Number.isFinite(rawHz)) return null;
const baseHz = Number.isFinite(window.ft8BaseHz) ? Number(window.ft8BaseHz) : null;
if (Number.isFinite(baseHz) && baseHz > 0 && rawHz >= 0 && rawHz < 100000) {
return baseHz + rawHz;
}
return rawHz;
}
function updateFt2PeriodTimer() {
if (!ft2PeriodEl) return;
const nowMs = Date.now();
const remaining = (FT2_PERIOD_MS - nowMs % FT2_PERIOD_MS) / 1000;
ft2PeriodEl.textContent = `Next slot ${remaining.toFixed(1)}s`;
}
updateFt2PeriodTimer();
setInterval(updateFt2PeriodTimer, 250);
function renderFt2Row(msg) {
const row = document.createElement("div");
row.className = "ft8-row";
const rawMessage = (msg.message || "").toString();
row.dataset.message = rawMessage.toUpperCase();
row.dataset.decoder = "ft2";
row.dataset.storedFreqHz = Number.isFinite(msg.freq_hz) ? String(msg.freq_hz) : "";
const snr = Number.isFinite(msg.snr_db) ? msg.snr_db.toFixed(1) : "--";
const dt = Number.isFinite(msg.dt_s) ? msg.dt_s.toFixed(2) : "--";
const displayFreqHz = normalizeFt2DisplayFreqHz(msg.freq_hz);
const freq = Number.isFinite(displayFreqHz) ? displayFreqHz.toFixed(0) : "--";
const renderedMessage = ft8RenderMessageFt2(rawMessage);
const tsMs = msg._tsMs ?? msg.ts_ms;
const timeStr = tsMs ? new Date(tsMs).toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" }) : "--:--:--";
row.innerHTML = `<span class="ft8-time">${timeStr}</span><span class="ft8-snr">${snr}</span><span class="ft8-dt">${dt}</span><span class="ft8-freq">${freq}</span><span class="ft8-msg">${renderedMessage}</span>`;
return row;
}
function updateFt2PauseUi() {
if (!ft2PauseBtn) return;
ft2PauseBtn.textContent = ft2Paused ? "Resume" : "Pause";
ft2PauseBtn.classList.toggle("active", ft2Paused);
}
function renderFt2History() {
pruneFt2MessageHistory();
if (!ft2MessagesEl || ft2Paused) { updateFt2PauseUi(); return; }
const filter = ft2FilterText;
const fragment = document.createDocumentFragment();
for (let i = 0; i < ft2MessageHistory.length; i++) {
const msg = ft2MessageHistory[i];
if (filter && !(msg.message || "").toString().toUpperCase().includes(filter)) continue;
fragment.appendChild(renderFt2Row(msg));
}
ft2MessagesEl.replaceChildren(fragment);
updateFt2PauseUi();
}
function addFt2Message(msg) {
msg._tsMs = Number.isFinite(msg?.ts_ms) ? Number(msg.ts_ms) : Date.now();
ft2MessageHistory.unshift(msg);
pruneFt2MessageHistory();
if (ft2Paused) { ft2BufferedWhilePaused += 1; updateFt2PauseUi(); return; }
scheduleFt2HistoryRender();
}
function normalizeServerFt2Message(msg) {
const raw = (msg.message || "").toString();
const locatorDetails = typeof ft8ExtractLocatorDetails === "function" ? ft8ExtractLocatorDetails(raw) : [];
const grids = locatorDetails.length > 0
? locatorDetails.map((d) => d.grid)
: (typeof ft8ExtractAllGrids === "function" ? ft8ExtractAllGrids(raw) : []);
const station = typeof ft8ExtractLikelyCallsign === "function" ? ft8ExtractLikelyCallsign(raw) : null;
const rfHz = normalizeFt2DisplayFreqHz(msg.freq_hz);
return {
raw, grids, station, rfHz, locatorDetails,
history: {
receiver: window.getDecodeRigMeta ? window.getDecodeRigMeta() : null,
ts_ms: msg.ts_ms, snr_db: msg.snr_db, dt_s: msg.dt_s,
freq_hz: Number.isFinite(rfHz) ? rfHz : msg.freq_hz,
message: msg.message,
},
};
}
window.onServerFt2Batch = function(messages) {
if (!Array.isArray(messages) || messages.length === 0) return;
if (ft2Status) ft2Status.textContent = ft2Paused ? "Paused" : "Receiving";
const normalized = [];
for (const msg of messages) {
const next = normalizeServerFt2Message(msg);
if (next.grids.length > 0 && window.mapAddLocator) {
window.mapAddLocator(next.raw, next.grids, "ft2", next.station, { ...msg, freq_hz: next.rfHz, locator_details: next.locatorDetails });
}
next.history._tsMs = Number.isFinite(next.history?.ts_ms) ? Number(next.history.ts_ms) : Date.now();
normalized.push(next.history);
}
normalized.reverse();
ft2MessageHistory = normalized.concat(ft2MessageHistory);
pruneFt2MessageHistory();
if (ft2Paused) { ft2BufferedWhilePaused += messages.length; updateFt2PauseUi(); return; }
scheduleFt2HistoryRender();
};
window.restoreFt2History = function(messages) { window.onServerFt2Batch(messages); };
window.pruneFt2HistoryView = function() { pruneFt2MessageHistory(); renderFt2History(); };
window.resetFt2HistoryView = function() {
if (ft2MessagesEl) ft2MessagesEl.innerHTML = "";
ft2MessageHistory = [];
ft2BufferedWhilePaused = 0;
renderFt2History();
};
if (ft2FilterInput) {
ft2FilterInput.addEventListener("input", () => {
ft2FilterText = ft2FilterInput.value.trim().toUpperCase();
renderFt2History();
});
}
if (ft2PauseBtn) {
ft2PauseBtn.addEventListener("click", () => {
ft2Paused = !ft2Paused;
if (!ft2Paused) { ft2BufferedWhilePaused = 0; renderFt2History(); } else { updateFt2PauseUi(); }
});
}
document.getElementById("ft2-decode-toggle-btn")?.addEventListener("click", async () => {
try { await postPath("/toggle_ft2_decode"); } catch (e) { console.error("FT2 toggle failed", e); }
});
document.getElementById("ft2-clear-btn")?.addEventListener("click", async () => {
try {
await postPath("/clear_ft2_decode");
window.resetFt2HistoryView();
} catch (e) { console.error("FT2 clear failed", e); }
});
window.onServerFt2 = function(msg) {
if (ft2Status) ft2Status.textContent = ft2Paused ? "Paused" : "Receiving";
const next = normalizeServerFt2Message(msg);
if (next.grids.length > 0 && window.mapAddLocator) {
window.mapAddLocator(next.raw, next.grids, "ft2", next.station, { ...msg, freq_hz: next.rfHz, locator_details: next.locatorDetails });
}
addFt2Message(next.history);
};
updateFt2PauseUi();