小龙虾
a47a027178
- 添加了upload-esp32.js用于处理ESP32的OTA上传，包括文件上传、SHA-256验证和设备重启。 - 引入了upload-gd32.js，用于触发GD32 OTA中继并跟踪中继进度。 - 针对OTA流程，增强了会话管理和错误处理能力。 - 通过在上传过程中显示吐司通知和进度更新，改进了用户反馈。
547 lines
25 KiB
JavaScript
547 lines
25 KiB
JavaScript
// ==================== BLE OTA 连接管理 ====================
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import {
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UUIDS,
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BLE_OTA_NOTIFY_ACK,
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BLE_OTA_NOTIFY_FINISH,
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BLE_OTA_NOTIFY_SHA256,
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BLE_OTA_ACK_WINDOW,
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BLE_OTA_FINISH_ESP32_DONE,
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BLE_OTA_FINISH_REBOOT_NOW,
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BLE_OTA_FINISH_GD32_RELAY_START,
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BLE_OTA_FINISH_GD32_RELAY_DONE,
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BLE_OTA_FINISH_ABORTED,
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BLE_OTA_FINISH_ERR_FINALIZE,
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BLE_OTA_FINISH_ERR_MUTEX,
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BLE_OTA_FINISH_ERR_GD32_SIZE,
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BLE_OTA_FINISH_ERR_SHA_MISMATCH,
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BLE_OTA_FINISH_ERR_GD32_RELAY,
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TARGETS,
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} from './constants.js';
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import {
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state,
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els,
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bleLog,
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toHex,
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setConnectionState,
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resetUiAfterDisconnect,
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currentPayloadSize,
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flowTarget,
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currentTarget,
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sleep,
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} from './state.js';
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import { setBleStage, setBleStageError, setBleStageText, resetBleStages } from './stages.js';
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import { setProgress, updateProgressFromAck } from './transfer.js';
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import { showBleVerifyInfo } from './verify.js';
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import {
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clearOtaResultWaiter,
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resolveOtaResult,
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rejectOtaResult,
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finishBelongsToWaiter,
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finishSessionId,
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isSessionlessFinish,
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hasCurrentWaiter,
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} from './session.js';
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import { formatBytes } from '../common/utils.js';
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import { showToast } from '../common/toast.js';
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/** @description 连接 BLE 设备（扫描→连接→发现服务→使能通知）。 */
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export async function connectBle() {
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if (!navigator.bluetooth) {
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bleLog('BLE', '当前浏览器不支持 Web Bluetooth', 'E');
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alert('当前浏览器不支持 Web Bluetooth，请使用 Chrome / Edge。');
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return;
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}
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try {
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resetBleStages();
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setBleStage(1, '扫描中...', 'active');
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setBleStageText('正在打开设备选择器...');
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bleLog('BLE', '打开设备选择器...');
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const device = await navigator.bluetooth.requestDevice({
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filters: [{ namePrefix: 'ESP32-OTA' }],
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optionalServices: [UUIDS.service],
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});
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state.device = device;
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state.device.addEventListener('gattserverdisconnected', onDisconnected, { once: true });
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if (typeof connectionMode === 'undefined' || connectionMode === 'ble') {
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els.deviceName.textContent = device.name || '未知设备';
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els.deviceId.textContent = device.id || '-';
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}
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setBleStage(1, '已选择', null);
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setBleStage(2, '连接GATT...', 'active');
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setBleStageText('正在连接 GATT 服务...');
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bleLog('BLE', `已选择设备: ${device.name || 'unknown'}`);
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const server = await device.gatt.connect();
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state.server = server;
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setBleStage(2, '获取服务...', null);
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setBleStageText('获取 GATT 服务和特征...');
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state.service = await server.getPrimaryService(UUIDS.service);
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state.ctrlChar = await state.service.getCharacteristic(UUIDS.ctrl);
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state.dataInChar = await state.service.getCharacteristic(UUIDS.dataIn);
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state.dataOutChar = await state.service.getCharacteristic(UUIDS.dataOut);
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state.versionChar = await state.service.getCharacteristic(UUIDS.version);
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setBleStage(2, '已就绪', null);
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setConnectionState(true);
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bleLog('BLE', 'GATT 服务与特征获取完成');
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await enableNotifications();
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// ★ enableNotifications 内部已包含重试 + 主动断开逻辑；
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// 若返回时仍为 false，说明连接半死，UI 已被断开事件重置，不要继续推进到 Stage 3
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if (!state.notificationsEnabled) {
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bleLog('BLE', '连接就绪但 DATA_OUT 通知开启失败，等待用户重连', 'E');
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return;
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}
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// Mark stages 1-2 as done
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setBleStage(3, '', null);
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setBleStageText('BLE 连接就绪，请选择固件文件');
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} catch (err) {
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bleLog('BLE', `连接失败: ${err.message}`, 'E');
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if (err.name !== 'NotFoundError') {
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setBleStageError(err.message);
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} else {
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resetBleStages();
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}
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resetUiAfterDisconnect();
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}
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}
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export function onDisconnected() {
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bleLog('BLE', '设备已断开', 'W');
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var wasExpected = state.expectedReboot;
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resetUiAfterDisconnect();
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if (wasExpected && state.device) {
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// 是主动重启引起的断开，启动自动重连
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state.reconnecting = true;
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state.reconnectAttempts = 0;
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tryReconnect();
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}
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}
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/** @description 断开 BLE 连接并清理资源。 */
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export async function disconnectBle() {
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// 用户主动断开：取消任何进行中的重连 / expectedReboot
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state.expectedReboot = false;
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state.reconnecting = false;
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try {
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if (state.dataOutChar && state.notificationsEnabled) {
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await state.dataOutChar.stopNotifications();
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}
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} catch (_) {}
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if (state.device && state.device.gatt && state.device.gatt.connected) {
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state.device.gatt.disconnect();
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}
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resetUiAfterDisconnect();
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}
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export async function readVersion() {
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try {
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const value = await state.versionChar.readValue();
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const text = new TextDecoder().decode(value.buffer).replace(/\0/g, '').trim() || '(空)';
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if (typeof connectionMode === 'undefined' || connectionMode === 'ble') {
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if (els.versionText) els.versionText.textContent = text;
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// 更新头部版本显示：仅显示版本号，编译时间放在 title 中悬停显示
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var pv = document.getElementById('pillVer');
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if (pv) {
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var spaceIdx = text.indexOf(' ');
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if (spaceIdx > 0) {
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pv.textContent = 'v' + text.substring(0, spaceIdx);
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pv.dataset.tooltip = '编译: ' + text.substring(spaceIdx + 1);
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} else {
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pv.textContent = 'v' + text;
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delete pv.dataset.tooltip;
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}
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}
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}
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bleLog('BLE', `版本: ${text}`);
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} catch (err) {
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bleLog('BLE', `读取版本失败: ${err.message}`, 'E');
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}
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}
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/** @description 处理 BLE Notify 事件（解析 ACK/ERROR/PROGRESS 等响应类型）。 */
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export function handleNotify(event) {
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const view = event.target.value;
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const bytes = new Uint8Array(view.buffer.slice(view.byteOffset, view.byteOffset + view.byteLength));
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const hex = toHex(bytes);
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state.lastNotificationHex = hex;
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if (bytes.length >= 8 && bytes[0] === BLE_OTA_NOTIFY_ACK) {
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const ackCmd = bytes[1];
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const ackSeq = bytes[2] | (bytes[3] << 8);
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const ackBytes = (bytes[4]) | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24);
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// ★ 保护：陈旧 ACK 来自跨 run / 旧窗口时直接丢弃。
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// 仅以「本 run 上界」过滤（ackSeq 不能超过文件总包数 + 一个窗口余量），
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// 不再用 ackMinSeenSeq 作下界 —— 因为本 run 第一个窗口的 seq 本身就是 0..31，
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// 下界过严会把正常 ACK 也误判为越界（导致 ackBytes 永远 0）。
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if (state.uploading && state.activeTotalSize > 0) {
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const payloadSize = Math.max(1, currentPayloadSize());
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const maxExpectedSeq = Math.ceil(state.activeTotalSize / payloadSize) - 1;
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if (ackSeq > maxExpectedSeq + BLE_OTA_ACK_WINDOW) {
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bleLog('ACK', `忽略越界 ACK: seq=${ackSeq} (run 范围 0..${maxExpectedSeq})`, 'W');
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return;
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}
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} else if (!state.uploading) {
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// 非上传阶段：清空状态，避免污染下次 run
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state.lastAckCmd = null;
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state.lastAckSeq = -1;
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state.lastAckBytes = 0;
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return;
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}
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state.lastAckCmd = ackCmd;
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state.lastAckSeq = ackSeq;
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state.lastAckBytes = ackBytes >>> 0;
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// ★ 以设备端真实 ACK 字节数驱动 UI 进度
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if (state.uploading && state.activeTotalSize > 0 && state.activePacketTotal > 0) {
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updateProgressFromAck(state.activeTotalSize, state.activePacketTotal, state.lastAckBytes);
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}
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const ackText = `[ACK] cmd=0x${ackCmd.toString(16).padStart(2, '0').toUpperCase()} seq=${ackSeq} bytes=${state.lastAckBytes} (${formatBytes(state.lastAckBytes)}) raw=${hex}`;
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bleLog('ACK', ackText);
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// ★ 放宽匹配条件：只要 cmd 匹配 + generation 匹配 + 字节数足够，即接受 ACK
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// 不再要求 ackSeq >= expectedSeq，因为 ESP32 可能用较低的 seq 发送 ACK
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// 但字节数已覆盖期望位置（例如 ACK seq=255 bytes=138240 覆盖 seq=287 的数据）
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if (state.ackWaiter && state.ackWaiter.cmd === ackCmd
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&& state.ackWaiter.generation === state.ackGeneration) {
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const waiter = state.ackWaiter;
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const expectedBytes = waiter.expectedTotalSize !== undefined
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? Math.min((waiter.expectedSeq + 1) * waiter.payloadSize, waiter.expectedTotalSize)
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: 0;
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// ★ ACK 字节数不足：立即 resolve，让重试循环立即续传，不等超时
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if (expectedBytes > 0 && state.lastAckBytes < expectedBytes) {
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bleLog('ACK', `ACK 字节数不足: ${state.lastAckBytes}/${expectedBytes}，立即进入重试`, 'W');
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state.ackWaiter = null;
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clearTimeout(waiter.timer);
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waiter.resolve({ seq: ackSeq, bytes: state.lastAckBytes });
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return;
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}
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// 字节数足够，resolve
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state.ackWaiter = null;
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clearTimeout(waiter.timer);
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waiter.resolve({ seq: ackSeq, bytes: state.lastAckBytes });
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}
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return;
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}
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if (bytes.length >= 6 && bytes[0] === BLE_OTA_NOTIFY_FINISH) {
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const stage = bytes[1];
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const value = (bytes[2]) | (bytes[3] << 8) | (bytes[4] << 16) | (bytes[5] << 24);
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const finishMap = {
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[BLE_OTA_FINISH_ESP32_DONE]: '[FINISH] ESP32 OTA 收尾完成',
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[BLE_OTA_FINISH_REBOOT_NOW]: '[FINISH] ESP32 即将重启',
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[BLE_OTA_FINISH_GD32_RELAY_START]: '[FINISH] GD32 OTA 转发已开始',
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[BLE_OTA_FINISH_GD32_RELAY_DONE]: '[FINISH] GD32 OTA 转发完成',
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[BLE_OTA_FINISH_ABORTED]: '[FINISH] OTA 已中止（BLE 保持连接）',
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[BLE_OTA_FINISH_ERR_FINALIZE]: `[FINISH] ESP32 OTA 收尾失败: err=${value}`,
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[BLE_OTA_FINISH_ERR_MUTEX]: '[FINISH] OTA 被其他通道占用，互斥拒绝',
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[BLE_OTA_FINISH_ERR_GD32_SIZE]: `[FINISH] GD32 固件超出分区大小: ${formatBytes(value)} (上限 216KB)`,
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[BLE_OTA_FINISH_ERR_SHA_MISMATCH]: '[FINISH] OTA SHA-256 校验失败',
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[BLE_OTA_FINISH_ERR_GD32_RELAY]: `[FINISH] GD32 OTA 转发失败: result=${value >> 16}`,
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};
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const finishText = finishMap[stage] || `[FINISH] 未知阶段 stage=0x${stage.toString(16).padStart(2, '0').toUpperCase()} value=${value}`;
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bleLog('FINISH', finishText);
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const finalizeStage = TARGETS.esp32.finalizeStage;
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const resultCode = (value >>> 16);
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if (stage === BLE_OTA_FINISH_GD32_RELAY_START) {
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if (!finishBelongsToWaiter('gd32', value)) return;
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if (typeof switchStageFlow === 'function') switchStageFlow('gd32');
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if (typeof setActivePhase === 'function') setActivePhase('gd32Ota');
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if (typeof updateStagesFromRelayState === 'function') updateStagesFromRelayState(1);
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setProgress(50, '[GD32] OTA 转发已开始，正在认证握手...');
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showBleVerifyInfo(state.fileSha256 || '-', state.deviceSha256 || '等待设备端上报...', { text: '缓存写入完成，正在通过 SPI 转发' });
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return;
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}
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if (stage === BLE_OTA_FINISH_GD32_RELAY_DONE) {
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if (!finishBelongsToWaiter('gd32', value)) return;
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if (typeof switchStageFlow === 'function') switchStageFlow('gd32');
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if (typeof updateStagesFromRelayState === 'function') updateStagesFromRelayState(5);
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if (typeof markPhaseDone === 'function') markPhaseDone('gd32Ota');
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setProgress(100, '[GD32] OTA 转发完成，APP 已启动');
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showBleVerifyInfo(state.fileSha256 || '-', state.deviceSha256 || '设备未上报', { text: 'GD32 OTA 完成', ok: true });
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var gd32Bar = document.getElementById('stageStatusBar');
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var gd32Text = document.getElementById('stageStatusText');
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if (gd32Bar) gd32Bar.className = 'stage-status-bar ok';
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if (gd32Text) gd32Text.textContent = 'GD32 刷写完成';
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state.lastUploadStatus = 'success';
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showToast('GD32 OTA 刷写完成', 'success');
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resolveOtaResult('success', { stage: stage, value: value });
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return;
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}
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// ── 0x20 ABORTED：ESP32 已中止 OTA（BLE 保持连接）──
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// 中止可由用户主动点"中止"按钮（abortTask 发 0xFB）触发，
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// 也可能是设备端因错误自动中止。两种情况都走同一清理路径。
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if (stage === BLE_OTA_FINISH_ABORTED) {
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state.abortRequested = true;
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state.expectedReboot = false;
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state.reconnecting = false;
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state.reconnectAttempts = 0;
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state.lastUploadStatus = 'aborted';
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setProgress(0, 'OTA 已中止');
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setBleStageError('OTA 已中止');
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showToast('OTA 已中止（BLE 保持连接）', 'warning');
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// 解除任何等待 ACK / OTA 结果的 Promise
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if (state.ackWaiter) {
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const waiter = state.ackWaiter;
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state.ackWaiter = null;
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clearTimeout(waiter.timer);
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waiter.reject(new Error('OTA 已中止'));
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}
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rejectOtaResult('OTA 已中止', { stage: stage, value: value });
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return;
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}
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if (stage === BLE_OTA_FINISH_ERR_GD32_RELAY) {
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if (!finishBelongsToWaiter('gd32', value)) return;
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if (typeof switchStageFlow === 'function') switchStageFlow('gd32');
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if (typeof updateStagesFromRelayState === 'function') updateStagesFromRelayState(255);
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setProgress(0, '[GD32] OTA 转发失败');
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state.lastUploadStatus = 'failed';
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showToast('GD32 OTA 转发失败', 'error');
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showBleVerifyInfo(state.fileSha256 || '-', 'GD32 未完成转发', { text: 'GD32 OTA 转发失败: ' + resultCode, err: true });
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rejectOtaResult('GD32 OTA 转发失败: ' + resultCode, { stage: stage, value: value });
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return;
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}
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// Update BLE stage flow based on FINISH notifications
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if (stage === BLE_OTA_FINISH_ESP32_DONE) {
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if (!finishBelongsToWaiter('esp32', value)) return;
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state.lastEsp32DoneSession = finishSessionId(value);
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setBleStage(finalizeStage, '收尾完成', null);
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setBleStageText('OTA 收尾完成，等待重启');
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state.lastUploadStatus = 'success';
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setProgress(100, '[ESP32] OTA 收尾完成，等待重启');
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resolveOtaResult('success', { stage: stage, value: value });
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} else if (stage === BLE_OTA_FINISH_REBOOT_NOW) {
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if (state.lastEsp32DoneSession !== null && state.lastEsp32DoneSession !== finishSessionId(value)) return;
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state.expectedReboot = true;
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setBleStage(finalizeStage, '设备重启', null);
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// ★ ESP32 收尾完成 = 成功路径：保持 status bar 绿色，不要切回 active 蓝
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var rebootBar = document.getElementById('stageStatusBar');
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var rebootBarTxt = document.getElementById('stageStatusText');
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if (rebootBar) rebootBar.className = 'stage-status-bar ok';
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if (rebootBarTxt) rebootBarTxt.textContent = 'ESP32 刷写完成，等待重启';
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if (typeof markPhaseDone === 'function') {
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markPhaseDone('esp32Ota');
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}
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}
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// OTA 结果 toast 提示（用户可见，不只是在日志里）
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if (stage === BLE_OTA_FINISH_ERR_MUTEX) {
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if (!isSessionlessFinish(value)) {
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if (hasCurrentWaiter('esp32') && !finishBelongsToWaiter('esp32', value)) return;
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if (hasCurrentWaiter('gd32') && !finishBelongsToWaiter('gd32', value)) return;
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}
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showToast('OTA 被其他通道占用，请稍后重试', 'error');
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state.abortRequested = true;
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setProgress(0, 'OTA 被其他通道占用');
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state.lastUploadStatus = 'failed';
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setBleStageError('OTA 被其他通道占用');
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rejectOtaResult('OTA 被其他通道占用', { stage: stage, value: value });
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} else if (stage === BLE_OTA_FINISH_ERR_GD32_SIZE) {
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if (hasCurrentWaiter('gd32') && !finishBelongsToWaiter('gd32', value)) return;
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showToast(`GD32 固件超出分区大小 (${formatBytes(value)}，上限 216KB)`, 'error');
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setProgress(0, 'GD32 固件太大，无法刷写');
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state.lastUploadStatus = 'failed';
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setBleStageError('固件超出分区大小');
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rejectOtaResult('GD32 固件超出分区大小', { stage: stage, value: value });
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} else if (stage === BLE_OTA_FINISH_ERR_FINALIZE) {
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if (!finishBelongsToWaiter('esp32', value)) return;
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showToast('ESP32 OTA 刷写失败', 'error');
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setProgress(0, '刷写失败');
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state.lastUploadStatus = 'failed';
|
||
setBleStageError('OTA 刷写失败');
|
||
showBleVerifyInfo(state.fileSha256 || '-', state.deviceSha256 || '设备未上报', { text: '刷写失败', err: true });
|
||
rejectOtaResult('ESP32 OTA 刷写失败', { stage: stage, value: value });
|
||
} else if (stage === BLE_OTA_FINISH_ERR_SHA_MISMATCH) {
|
||
const isGd32Waiter = hasCurrentWaiter('gd32');
|
||
const targetKey = isGd32Waiter ? 'gd32' : 'esp32';
|
||
if (!finishBelongsToWaiter(targetKey, value)) return;
|
||
const msg = isGd32Waiter
|
||
? 'GD32 缓存 SHA-256 校验失败，未进入 SPI 转发'
|
||
: 'ESP32 OTA 校验失败，未触发重启';
|
||
showToast(msg, 'error');
|
||
setProgress(0, '设备端 SHA-256 校验失败');
|
||
state.lastUploadStatus = 'failed';
|
||
setBleStage(flowTarget().verifyStage, 'SHA-256 ✗', null);
|
||
setBleStageError('设备端 SHA-256 校验失败');
|
||
showBleVerifyInfo(state.fileSha256 || '-', state.deviceSha256 || '设备未上报', { text: msg, err: true });
|
||
rejectOtaResult(msg, { stage: stage, value: value });
|
||
} else if (stage === BLE_OTA_FINISH_REBOOT_NOW) {
|
||
if (state.lastEsp32DoneSession !== null && state.lastEsp32DoneSession !== finishSessionId(value)) return;
|
||
showToast('ESP32 OTA 刷写完成，等待重启', 'success');
|
||
// If device SHA-256 hasn't arrived yet, show what we have
|
||
var devSha = state.deviceSha256 || '设备未上报';
|
||
if (state.deviceSha256 && state.fileSha256 && state.deviceSha256.toUpperCase() === state.fileSha256.toUpperCase()) {
|
||
showBleVerifyInfo(state.fileSha256 || '-', devSha, { text: '校验通过 — SHA-256 一致，设备重启中', ok: true });
|
||
} else if (state.deviceSha256) {
|
||
showBleVerifyInfo(state.fileSha256 || '-', devSha, { text: '校验失败 — SHA-256 不一致', err: true });
|
||
} else {
|
||
showBleVerifyInfo(state.fileSha256 || '-', devSha, { text: '刷写成功，设备未上报 SHA-256（重启中）' });
|
||
}
|
||
}
|
||
// 错误类 FINISH 事件立即中断 waitForAck，并中止发送循环
|
||
if (stage >= 0x80) {
|
||
state.abortRequested = true; // ★ 阻止 fire-and-forget 继续发包
|
||
state.expectedReboot = false; // ★ 刷写失败，取消任何重连退避
|
||
state.reconnecting = false;
|
||
state.reconnectAttempts = 0;
|
||
if (state.ackWaiter) {
|
||
const waiter = state.ackWaiter;
|
||
state.ackWaiter = null;
|
||
clearTimeout(waiter.timer);
|
||
waiter.reject(new Error(`设备端 FINISH 错误: stage=0x${stage.toString(16).padStart(2, '0').toUpperCase()} value=${value}`));
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
|
||
// SHA-256 verification from device (after transfer complete)
|
||
if (bytes[0] === BLE_OTA_NOTIFY_SHA256 && bytes.length >= 33) {
|
||
if (bytes.length >= 35) {
|
||
var shaSessionId = bytes[33] | (bytes[34] << 8);
|
||
if (!state.otaResultWaiter ||
|
||
state.otaResultWaiter.sessionId !== shaSessionId) {
|
||
bleLog('VERIFY', '忽略非本轮 SHA-256 通知: session=' + shaSessionId, 'W');
|
||
return;
|
||
}
|
||
}
|
||
var devSha = Array.from(bytes.slice(1, 33)).map(function(b) {
|
||
return b.toString(16).padStart(2, '0');
|
||
}).join('').toUpperCase();
|
||
state.deviceSha256 = devSha;
|
||
bleLog('VERIFY', '设备端 SHA-256: ' + devSha);
|
||
|
||
// 设备端上报 SHA-256 后，前端仅做展示与状态同步。
|
||
var frontSha = state.fileSha256;
|
||
var verifyStage = flowTarget().verifyStage;
|
||
if (frontSha && frontSha.toUpperCase() === devSha) {
|
||
bleLog('VERIFY', 'SHA-256 校验通过，前端与设备端一致', 'I');
|
||
showBleVerifyInfo(frontSha, devSha, { text: '校验通过 — SHA-256 一致', ok: true });
|
||
setBleStage(verifyStage, 'SHA-256 ✓', null);
|
||
// ★ 校验通过 = 刷写成功：status bar 标绿 + 顶部胶囊推进
|
||
var okBar = document.getElementById('stageStatusBar');
|
||
var okTxt = document.getElementById('stageStatusText');
|
||
if (okBar) okBar.className = 'stage-status-bar ok';
|
||
if (okTxt) okTxt.textContent = '刷写成功 — SHA-256 校验通过';
|
||
if (typeof markPhaseDone === 'function') {
|
||
markPhaseDone(state.uploadTargetKey === 'gd32' ? 'gd32Ota' : 'esp32Ota');
|
||
}
|
||
} else if (frontSha) {
|
||
bleLog('VERIFY', 'SHA-256 校验失败！前端: ' + frontSha + ' 设备: ' + devSha, 'E');
|
||
showBleVerifyInfo(frontSha, devSha, { text: '校验失败 — SHA-256 不一致', err: true });
|
||
setBleStage(verifyStage, 'SHA-256 ✗', null);
|
||
setBleStageError('SHA-256 不一致');
|
||
} else {
|
||
showBleVerifyInfo(undefined, devSha, { text: '前端 SHA-256 不可用，无法比对' });
|
||
setBleStage(verifyStage, '无法比对', null);
|
||
}
|
||
return;
|
||
}
|
||
|
||
|
||
bleLog('NOTIFY', hex);
|
||
}
|
||
|
||
|
||
// ===== 自动重连 =====
|
||
export async function tryReconnect() {
|
||
if (!state.device || !state.expectedReboot) {
|
||
state.reconnecting = false;
|
||
return;
|
||
}
|
||
if (!state.device.gatt) {
|
||
// 设备引用已丧失，重连不了
|
||
state.reconnecting = false;
|
||
state.expectedReboot = false;
|
||
showToast('设备引用丧失，请手动重连', 'error');
|
||
return;
|
||
}
|
||
state.reconnecting = true;
|
||
state.reconnectAttempts += 1;
|
||
var attempt = state.reconnectAttempts;
|
||
// 退避：1s, 2s, 4s, 8s, 上限 10s
|
||
var backoff = Math.min(10000, 1000 * Math.pow(1.6, attempt - 1));
|
||
if (backoff > 200) await sleep(backoff);
|
||
if (typeof connectionMode !== 'undefined' && connectionMode === 'ble') {
|
||
if (els.connState) els.connState.textContent = '重连中(' + attempt + ')';
|
||
if (els.connState && els.connState.parentElement) els.connState.parentElement.className = 'pill processing';
|
||
}
|
||
setConnectionState(!!state.server);
|
||
bleLog('BLE', '自动重连第 ' + attempt + ' 次' + (backoff > 0 ? '（等待 ' + Math.round(backoff) + 'ms）' : '') + '...', 'W');
|
||
try {
|
||
var server = await state.device.gatt.connect();
|
||
state.server = server;
|
||
state.service = await server.getPrimaryService(UUIDS.service);
|
||
state.ctrlChar = await state.service.getCharacteristic(UUIDS.ctrl);
|
||
state.dataInChar = await state.service.getCharacteristic(UUIDS.dataIn);
|
||
state.dataOutChar = await state.service.getCharacteristic(UUIDS.dataOut);
|
||
state.versionChar = await state.service.getCharacteristic(UUIDS.version);
|
||
state.notificationsEnabled = false;
|
||
await enableNotifications();
|
||
state.expectedReboot = false;
|
||
state.reconnecting = false;
|
||
state.reconnectAttempts = 0;
|
||
// 重连后重注 onDisconnected（{once: true}，旧的已被上次断开时消耗）
|
||
state.device.addEventListener('gattserverdisconnected', onDisconnected, { once: true });
|
||
bleLog('BLE', '✅ 自动重连成功', 'I');
|
||
showToast('BLE 已重连', 'success');
|
||
setConnectionState(true);
|
||
// 重连后默认刷新一下版本
|
||
try { await readVersion(); } catch (_) {}
|
||
} catch (e) {
|
||
bleLog('BLE', '重连第 ' + attempt + ' 次失败: ' + e.message, 'W');
|
||
if (state.expectedReboot && attempt < 12) {
|
||
tryReconnect();
|
||
} else {
|
||
state.reconnecting = false;
|
||
state.expectedReboot = false;
|
||
showToast('重连失败，请手动连接', 'error');
|
||
bleLog('BLE', '自动重连放弃，请点击「连接设备」重连', 'E');
|
||
setConnectionState(!!state.server);
|
||
}
|
||
}
|
||
}
|
||
|
||
export async function enableNotifications() {
|
||
// 修复偶发的 GATT CCC 竞态：startNotifications 与 NimBLE gap 完成握手存在窗口冲突。
|
||
// 现象：Chrome 报 "GATT operation failed for unknown reason"，NimBLE 实际返回 EBUSY/ENOTCONN。
|
||
// 处理：内部退避重试 + 最终失败时主动断开，让上层进入干净的重连路径，而不是带着半死连接去刷写。
|
||
const MAX_RETRY = 3;
|
||
for (let attempt = 1; attempt <= MAX_RETRY; attempt++) {
|
||
try {
|
||
await state.dataOutChar.startNotifications();
|
||
state.dataOutChar.removeEventListener('characteristicvaluechanged', handleNotify);
|
||
state.dataOutChar.addEventListener('characteristicvaluechanged', handleNotify);
|
||
state.notificationsEnabled = true;
|
||
setConnectionState(!!state.server);
|
||
bleLog('BLE', 'DATA_OUT 通知已自动开启' + (attempt > 1 ? ` (重试 ${attempt}/${MAX_RETRY} 成功)` : ''));
|
||
return;
|
||
} catch (err) {
|
||
bleLog('BLE', `自动开启 DATA_OUT 通知失败(第 ${attempt}/${MAX_RETRY} 次): ${err.message}`, 'E');
|
||
if (attempt < MAX_RETRY) {
|
||
// 200ms / 400ms 退避，给 NimBLE 主机任务时间把 connect/MTU 事件消化完
|
||
await new Promise(r => setTimeout(r, 200 * attempt));
|
||
}
|
||
}
|
||
}
|
||
state.notificationsEnabled = false;
|
||
setConnectionState(!!state.server);
|
||
// ★ 最终失败：连接处于半死状态，主动断开让用户重连，避免带着残废连接走到刷写
|
||
try {
|
||
if (state.device && state.device.gatt && state.device.gatt.connected) {
|
||
state.device.gatt.disconnect();
|
||
}
|
||
} catch (_) {}
|
||
bleLog('BLE', 'DATA_OUT 通知开启彻底失败，已主动断开，请重连后重试', 'E');
|
||
}
|