feat: 增加蓝牙异步扫描接口的实现

jensen.d.ts

@@ -271,6 +271,18 @@ declare class Jensen {
   
   // 获取蓝牙连接状态
   getBluetoothStatus: (seconds?: number) => Promise<BluetoothStatus>;
+
+  // 发起蓝牙扫描请求
+  startBluetoothScan: (count: number, seconds?: number) => Promise<ReturnStruct['common']>;
+
+  // 停止蓝牙扫描请求
+  stopBluetoothScan: (seconds?: number) => Promise<ReturnStruct['common']>;
+
+  // 获取蓝牙设备列表
+  getScanResults: (seconds?: number) => Promise<BluetoothDevice[]>;
+
+  // 写入蓝牙设备列表
+  writeBluetoothDeviceList: (mac_list: string[], seconds?: number) => Promise<ReturnStruct['common']>;
   
   // 获取实时音频流的设置信息，主要是确定设备端的实时音频的编码信息
   getRealtimeSettings: () => Promise<any>;

src/utils/jensen.js

@@ -36,6 +36,10 @@ const BLUETOOTH_SCAN = 0x1001;
 const BLUETOOTH_CMD = 0x1002;
 const BLUETOOTH_STATUS = 0x1003;
 
+const BT_SCAN = 0x1005;
+const BT_DEV_LIST = 0x1006;
+const BT_WRITE_DEV_LIST = 0x1007;
+
 const TEST_SN_WRITE = 0xf007;
 const RECORD_TEST_START = 0xf008;
 const RECORD_TEST_END = 0xf009;
@@ -705,6 +709,25 @@ Jensen.prototype.getBluetoothStatus = async function (seconds) {
   return this.send(new Command(BLUETOOTH_STATUS), seconds);
 };
 
+// 发起蓝牙扫描请求
+Jensen.prototype.startBluetoothScan = async function (count, seconds) {
+  if (this.model.indexOf('hidock-p1') == -1) return null;
+  count = count & 0xff;
+  return this.send(new Command(BT_SCAN).body([0x01, count]), seconds);
+};
+
+// 停止蓝牙扫描
+Jensen.prototype.stopBluetoothScan = async function (seconds) {
+  if (this.model.indexOf('hidock-p1') == -1) return null;
+  return this.send(new Command(BT_SCAN).body([0x00, 0x00]), seconds);
+};
+
+// 获取蓝牙设备列表
+Jensen.prototype.getScanResults = async function (seconds) {
+  if (this.model.indexOf('hidock-p1') == -1) return null;
+  return this.send(new Command(BT_DEV_LIST), seconds);
+};
+
 Jensen.prototype.setWebUSBTimeout = async function (timeout, seconds)
 {
   let data = [];
@@ -1541,5 +1564,45 @@ Jensen.registerHandler(READ_WEBUSB_TIMEOUT, (msg) => {
   return { timeout: timeout };
 });
 
+// 写入蓝牙设备列表
+Jensen.prototype.writeBluetoothDeviceList = async function (mac_list, seconds) {
+  if (this.model.indexOf('hidock-p1') == -1) return null;
+  let data = [];
+  for (let i = 0; i < mac_list.length; i++) {
+    let mac = mac_list[i];
+    let marr = mac.split(':');
+    if (marr.length != 6) throw new Error('invalid mac');
+    for (let j = 0; j < marr.length; j++) data.push(parseInt(marr[j], 16));
+  }
+  return this.send(new Command(BT_WRITE_DEV_LIST).body(data), seconds);
+};
+
+Jensen.registerHandler(BT_SCAN, commonMessageParser);
+Jensen.registerHandler(BT_WRITE_DEV_LIST, commonMessageParser);
+Jensen.registerHandler(BT_DEV_LIST, (msg) => {
+  // console.log('bluetooth-scan', msg);
+  if (msg.body.length == 0) return [];
+  let nums = ((msg.body[0] & 0xff) << 8) | (msg.body[1] & 0xff);
+  let devices = [];
+  let decoder = new TextDecoder('UTF-8');
+  for (let i = 0, k = 2; i < nums; i++) {
+    let len = ((msg.body[k++] & 0xff) << 8) | (msg.body[k++] & 0xff);
+    let sname = new Uint8Array(len);
+    for (let f = 0; f < len; f++) {
+      sname[f] = msg.body[k++] & 0xff;
+    }
+    let mac = [];
+    for (let f = 0; f < 6; f++) {
+      let m = (msg.body[k++] & 0xff).toString(16).toUpperCase();
+      mac.push(m.length == 1 ? '0' + m : m);
+    }
+    devices.push({
+      name: decoder.decode(sname),
+      mac: mac.join('-')
+    });
+  }
+  return devices;
+});
+
 export { Jensen };