接通 设备端连接WiFi功能

src/common/bluetooth.ts

@@ -89,7 +89,7 @@ class Bluetooth {
           // 获取 WiFi 列表
           this.formatWifiList(deviceId, value)
           break
-        case WIFI_CHARACTERISTIC_ID:
+        case POST_WIFI_PASS_ID:
           // WiFi 连接状态回调
           this.formatWifiLine(value)
         default:
@@ -134,12 +134,13 @@ class Bluetooth {
     }
   }
 
-  /** 整理WiFi连接信息 */
+  /** 整理WiFi连接状态信息 */
   formatWifiLine(value: arrayBuffer) {
-    console.log('ArrayBufferToString', ArrayBufferToString(value))
+    const str = String.fromCharCode.apply(null, new Uint8Array(value))
+    console.log('ArrayBufferToString', str)
   }
 
-  /** 向蓝牙发送WiFi密码 */
+  /** 向设备端发送WiFi密码 */
   async postWifiPassword(id: number, pass: string, deviceId: string) {
     await bluetooth.notifyBLECharacteristicValueChange({
       deviceId,
@@ -150,7 +151,7 @@ class Bluetooth {
     return bluetooth.writeBLECharacteristicValue({
       deviceId,
       serviceId: BLE_SERVICE_ID,
-      value: strToAb(id + pass),
+      value: strToAb(id, pass),
       characteristicId: POST_WIFI_PASS_ID
     })
   }

src/common/utils.ts

@@ -48,14 +48,28 @@ export function getWindiwHeight() {
   return windowHeight - HeaderHeight
 }
 
-/** ArrayBuffer转16进度字符串 */
-export function ArrayBufferToString(buffer: ArrayBuffer) {
+/** ArrayBuffer转16进制字符串 */
+export function ArrayBufferToString(buffer: ArrayBuffer, toText: boolean = false) {
   const hexArr: any[] = Array.prototype.map.call(new Uint8Array(buffer), bit => {
     return ('00' + bit.toString(16)).slice(-2)
   })
+  if (toText) {
+    hexArr.forEach(element => {
+      element = element.charAt()
+      console.log('element.charAt()', element)
+    })
+  }
   return hexArr.join('')
 }
 
+// /** ArrayBuffer转文字 */
+// export function ArrayBufferToText(buffer: ArrayBuffer) {
+//   const hexArr: any[] = Array.prototype.map.call(new Uint8Array(buffer), bit => {
+//     return ('00' + bit.toString(16)).slice(-2)
+//   })
+//   return hexArr.join('')
+// }
+
 /** 解析蓝牙接收到的 十六进制 状态 */
 export function getBLEState(buffer: ArrayBuffer) {
   return new Uint8Array(buffer)[0]
@@ -73,12 +87,13 @@ export function getAdverts(BleInfo: Taro.onBluetoothDeviceFound.ParamParamPropDe
 }
 
 /** 字符串转 ArrayBuffer */
-export function strToAb(str: string) {
+export function strToAb(id: number, str: string) {
   const codeArr: number[] = []
   console.log({ str })
   for (let i = 0; i < str.length; i++) {
     codeArr.push(str.charCodeAt(i))
   }
   console.log({ codeArr })
+  codeArr.unshift(id)
   return new Uint8Array(codeArr).buffer
 }