139 lines
3.0 KiB
JavaScript
139 lines
3.0 KiB
JavaScript
import { toFullUuid } from '../utils/uuid'
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// ED713 / ED719 当前协议共用的服务与特征 UUID。
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const COMMON_UUIDS = Object.freeze({
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SERVICE: '00F4',
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WIFI: 'F401',
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KEY: 'F402',
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CMD: 'F403',
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MSG: 'F501',
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STATE: 'F301',
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RADAR: 'F302'
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})
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// UUID_STATE 常用状态码语义映射。
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const COMMON_STATE_MAP = Object.freeze({
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1: 'WIFI_PARAM_INVALID',
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2: 'WIFI_CONNECT_FAILED',
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3: 'WIFI_CONNECT_SUCCESS',
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4: 'WIFI_CONNECTING',
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5: 'BIND_SUCCESS',
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6: 'BIND_FAILED',
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7: 'KEY_MATCH_SUCCESS',
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8: 'KEY_MATCH_FAILED'
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})
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export const DEVICE_PROFILE = Object.freeze({
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UNKNOWN: 'UNKNOWN',
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ED713: 'ED713',
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ED719: 'ED719'
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})
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/**
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* 生成设备 profile 模板：
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* 包含 UUID、分包规则、鉴权策略、WiFi 校验、雷达命令能力。
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*/
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function buildCommonProfile(id) {
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return {
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id,
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uuids: {
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service: toFullUuid(COMMON_UUIDS.SERVICE),
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wifi: toFullUuid(COMMON_UUIDS.WIFI),
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key: toFullUuid(COMMON_UUIDS.KEY),
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cmd: toFullUuid(COMMON_UUIDS.CMD),
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msg: toFullUuid(COMMON_UUIDS.MSG),
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state: toFullUuid(COMMON_UUIDS.STATE),
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radar: toFullUuid(COMMON_UUIDS.RADAR)
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},
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stateMap: { ...COMMON_STATE_MAP },
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packet: {
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head: 0xA7,
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chunkSize: 18,
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maxChunk: 15
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},
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auth: {
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keyLength: 16,
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supportsUnboundState: false,
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unboundStateCode: null
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},
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wifi: {
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maxSsidLength: 32,
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minPasswordLength: 8,
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maxPasswordLength: 63,
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invalidChars: ['+', '#', '&', '=', '|', '<', '>', '^', '"', '\\']
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},
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radar: {
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notifySignature: null,
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startCommand: 0xA1,
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stopCommand: 0xA2,
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parseMode: 'GENERIC'
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},
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cmd: {
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supportsNarrowMode: false,
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supportsFallParam67: false
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}
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}
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}
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const unknownProfile = buildCommonProfile(DEVICE_PROFILE.UNKNOWN)
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const ed713Profile = {
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...buildCommonProfile(DEVICE_PROFILE.ED713),
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auth: {
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keyLength: 16,
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supportsUnboundState: true,
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unboundStateCode: -1
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},
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radar: {
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notifySignature: 0x7C,
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startCommand: 0xA1,
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stopCommand: 0xA2,
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parseMode: 'ED713'
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},
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cmd: {
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supportsNarrowMode: true,
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supportsFallParam67: false
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}
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}
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const ed719Profile = {
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...buildCommonProfile(DEVICE_PROFILE.ED719),
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radar: {
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notifySignature: 0x67,
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startCommand: 0xA1,
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stopCommand: 0xA2,
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parseMode: 'ED719'
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},
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cmd: {
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supportsNarrowMode: false,
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supportsFallParam67: true
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}
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}
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export const BLE_PROFILE_MAP = Object.freeze({
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[DEVICE_PROFILE.UNKNOWN]: unknownProfile,
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[DEVICE_PROFILE.ED713]: ed713Profile,
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[DEVICE_PROFILE.ED719]: ed719Profile
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})
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export function getBleProfile(profileId = DEVICE_PROFILE.UNKNOWN) {
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return BLE_PROFILE_MAP[profileId] || BLE_PROFILE_MAP[DEVICE_PROFILE.UNKNOWN]
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}
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/**
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* 根据雷达帧签名字节粗略推断设备类型。
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*/
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export function guessProfileByRadarFrame(frame = new Uint8Array()) {
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const signature = frame[3]
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if (signature === 0x7C) {
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return DEVICE_PROFILE.ED713
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}
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if (signature === 0x67) {
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return DEVICE_PROFILE.ED719
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}
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return DEVICE_PROFILE.UNKNOWN
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}
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