1var app = getApp();
2var ble_util = require("../../utils/ble_util.js")
3var hex_util = require("../../utils/hex_util.js")
4
5Page({
6  data: {
7    ProductKey: '',
8    DeviceName: '',
9    DeviceSecret: '',
10
11    link_lp_devices: [],
12    selected_device_index: 0,
13
14    LinkLpState: {
15      scanning: false,
16      linking: false,
17    },
18
19    LinkState: 0
20  },
21
22
23  notifyCheckInt: null,
24  notifyCheckCnt: 0,
25
26  onLoad() {
27  },
28
29  genTriadPacket(ProductKey, DeviceName, DeviceSecret) {
30    let ret = "ffb0"
31    ret += ProductKey.length < 16 ? ('0' + (ProductKey.length).toString(16)) : ((ProductKey.length).toString(16))
32    ret += DeviceName.length < 16 ? ('0' + (DeviceName.length).toString(16)) : ((DeviceName.length).toString(16))
33    ret += DeviceSecret.length < 16 ? ('0' + (DeviceSecret.length).toString(16)) : ((DeviceSecret.length).toString(16))
34    for (let i = 0; i < ProductKey.length; i++) {
35      ret += ProductKey.charCodeAt(i) < 16 ? ('0' + ProductKey.charCodeAt(i).toString(16)) : ProductKey.charCodeAt(i).toString(16);
36    }
37    for (let i = 0; i < DeviceName.length; i++) {
38      ret += DeviceName.charCodeAt(i) < 16 ? ('0' + DeviceName.charCodeAt(i).toString(16)) : DeviceName.charCodeAt(i).toString(16);
39    }
40    for (let i = 0; i < DeviceSecret.length; i++) {
41      ret += DeviceSecret.charCodeAt(i) < 16 ? ('0' + DeviceSecret.charCodeAt(i).toString(16)) : DeviceSecret.charCodeAt(i).toString(16);
42    }
43    return ret
44  },
45
46  scanTriadQr() {
47    my.scan({
48      scanType: ['qrCode'],
49      success: (res) => {
50        console.log(res.code)
51        let Triad = JSON.parse(res.code)
52        console.log(Triad)
53        if (Triad.ProductKey != undefined && Triad.DeviceName != undefined && Triad.DeviceSecret != undefined) {
54          this.setData({
55            ProductKey: Triad.ProductKey,
56            DeviceName: Triad.DeviceName,
57            DeviceSecret: Triad.DeviceSecret
58          })
59        } else {
60          my.alert({ content: "二维码格式错误" });
61        }
62      },
63    });
64  },
65
66  async startLinkLpDevicesDiscovery() {
67    this.setData({ 'LinkLpState.scanning': true })
68    this.setData({ link_lp_devices: [] })
69
70    await ble_util.OpenBluetoothAdapter().catch(err => { console.error(err) })
71
72    let res;
73    for (let retry = 10; retry > 0; retry--) {
74      console.log(retry)
75      res = await ble_util.DiscoveryBLEDevice('FFB0')
76
77      if (res && res.devices != null) {
78        console.log(res.devices)
79        this.setData({
80          link_lp_devices: res.devices
81        })
82        break;
83      }
84    }
85    console.log(res)
86    if (res.devices == null)
87      my.alert({ content: res.content })
88    this.setData({ 'LinkLpState.scanning': false })
89  },
90
91  bindDevicePickerChange(event) {
92    this.setData({
93      selected_device_index: event.detail.value,
94    });
95  },
96
97  async sendTriad() {
98    if (this.data.ProductKey.length < 1 || this.data.DeviceName.length < 1 || this.data.DeviceSecret.length < 1) {
99      my.alert({ content: '请输入正确的三元组信息' })
100    }
101
102    await this.OpenBluetoothAdapter().catch(err => { console.error(err) })
103
104    this.setData({ 'LinkLpState.linking': true })
105    await ble_util.DisconnectBLEDevice(this.data.net_config_devices[this.data.selected_device_index].deviceId).catch(err => { console.error(err) })
106
107    my.connectBLEDevice({
108      deviceId: this.data.link_lp_devices[this.data.selected_device_index].deviceId,
109      success: res => {
110        console.log('connect with ' + this.data.link_lp_devices[this.data.selected_device_index].deviceId + ' success')
111        console.log(res)
112
113        my.notifyBLECharacteristicValueChange({
114          state: true,
115          deviceId: this.data.link_lp_devices[this.data.selected_device_index].deviceId,
116          serviceId: ble_util.UUID_VENDOR_SERVICE[app.globalData.sysname],
117          characteristicId: ble_util.UUID_VENDOR_CHAR_NOTIFY[app.globalData.sysname],
118          success: () => {
119            my.offBLECharacteristicValueChange();
120            my.onBLECharacteristicValueChange((res) => {
121              console.log('得到响应数据 = ' + res.value);
122              console.log(hex_util.hexString2String(res.value))
123              this.LinkLpNotifyFormat(res.value)
124            });
125            console.log('监听成功');
126          },
127          fail: error => {
128            this.setData({ 'LinkLpState.linking': false })
129            console.log({ content: '监听失败' + JSON.stringify(error) });
130          },
131        });
132
133        my.writeBLECharacteristicValue({
134          deviceId: this.data.link_lp_devices[this.data.selected_device_index].deviceId,
135          serviceId: ble_util.UUID_VENDOR_SERVICE[app.globalData.sysname],
136          characteristicId: ble_util.UUID_VENDOR_CHAR_WRITE[app.globalData.sysname],
137          value: this.genTriadPacket(this.data.ProductKey, this.data.DeviceName, this.data.DeviceSecret),
138          success: res => {
139            console.log(res);
140
141            // retry here
142
143            var notifyCheckCnt = 5
144            var notifyCheckInt = setInterval(() => {
145              if (this.data.LinkLpState.linking == 0) {
146                notifyCheckCnt = notifyCheckCnt - 1
147                console.log('notifyCheckCnt ' + notifyCheckCnt)
148                if (notifyCheckCnt < 0) {
149                  clearInterval(notifyCheckInt)
150                  this.setData({ 'LinkLpState.linking': false })
151                  my.alert({ content: "下发三元组失败：设备无回复" })
152                }
153              }
154            }, 1000)
155
156
157          },
158          fail: error => {
159            this.setData({ 'linkLpState.linking': false })
160            console.log(error);
161          },
162        });
163
164      },
165      fail: error => {
166        this.setData({ 'LinkLpState.linking': false })
167        console.log(error);
168      },
169    })
170  },
171
172  LinkLpNotifyFormat(str) {
173    console.log("LinkLpNotifyFormat")
174    if (hex_util.hexString2String(str) == 'DEVSETOK') {
175      console.log("link done")
176      this.setData({
177        'LinkLpState.linking': false,
178        LinkState: 1
179      })
180    }
181  },
182
183  pkOnInput(e) {
184    this.setData({
185      ProductKey: e.detail.value
186    })
187  },
188
189  dnOnInput(e) {
190    this.setData({
191      DeviceName: e.detail.value
192    })
193  },
194
195  dsOnInput(e) {
196    this.setData({
197      DeviceSecret: e.detail.value
198    })
199  },
200
201  onHide() {
202    my.closeBluetoothAdapter();
203  }
204
205});
206