const util = require("../../../utils/util");
const datagramHelp = require("../../../utils/datagramHelp")
var app = getApp();
var task_timer;
Page({
  data: {
    devices: {
      deviceId: '',
      serviceId: '',
      characteristicId: '',
      connectedBluetoothName: ''
    },
    rtuInfo: {
      rtu_code: '',
      ip1: '',
      ip2: '',
      ip3: '',
      ip4: '',
      rtu_work_model: '',
      rtu_kind: '',
      collect_interval: '',
      water_level_base_point: '',
      water_level_correct_point: '',
      rain_precision: '',
      rain_extra_datagram_threshold: '',
      water_se_agreement: '',
      water_se_id: '',
      water_se_address: '',
      water_se_format: '',
      water_se_adjust: '',
      water_se_symbol: '',
      addIntervalTime: '',
      intervalTime: '',
      datagram_idx: '',
      collect_time: '',
      acc_rain: '',
      fiveMinute_rain: '',
      hour_rain: '',
      weater_level: '',
      power_v: '',
      riverDeep: '',
      riverWide: '',
      riverAngle: '',
      radarHigh: '',
      faceCoe: '',
      speedCoe: '',
      flowModelCoe: '',
      rtu_ver: '',
      rtu_uuid: '',
      bt_v: '',
      rtu_rssi: '',
      rtu_temperature: '',
      lua_ver: '',
      agreement: 'sw2014',
      datagramTimes: [{
          value: '5',
          name: '5分钟',
        },
        {
          value: '60',
          name: '1小时',
          checked: true
        },
        {
          value: '120',
          name: '2小时'
        },
        {
          value: '180',
          name: '3小时'
        },
        {
          value: '240',
          name: '4小时'
        },
        {
          value: '360',
          name: '6小时'
        },
        {
          value: '480',
          name: '8小时'
        },
        {
          value: '720',
          name: '12小时'
        },
        {
          value: '1440',
          name: '24小时'
        }
      ],
      waterLevelSensorKind: [{
          value: '0',
          name: '未连接',
          checked: true
        },
        {
          value: '1',
          name: '数字量'
        },
        {
          value: '2',
          name: '模似量'
        }
      ],
      flowRateSensorKind: [{
          value: '0',
          name: '未连接',
          checked: true
        },
        {
          value: '1',
          name: '数字量'
        },
        {
          value: '2',
          name: '模似量'
        }
      ],
      flowRateSensorProtocolType: [{
          value: '0',
          name: 'modbus',
          checked: true
        },
        {
          value: '1',
          name: '老百特流量计'
        },
        {
          value: '2',
          name: '插入式超声波流量计'
        },
        {
          value: '3',
          name: 'LMAG流量计'
        },
        {
          value: '4',
          name: '京仪流速计'
        },
        {
          value: '5',
          name: '91雷达流量计'
        },
        {
          value: '6',
          name: '华聚流速计'
        },
        {
          value: '7',
          name: '模拟流量计'
        },
        {
          value: '8',
          name: '华儒流速计'
        },
        {
          value: '9',
          name: '鹰格流速计'
        },
        {
          value: '10',
          name: '协议10'
        },
        {
          value: '11',
          name: '协议11'
        },
        {
          value: '12',
          name: '协议12'
        },
        {
          value: '13',
          name: '协议13'
        },
        {
          value: '14',
          name: '协议14'
        }
      ],
      flowRateSensorId:'',
    },
    datagramBuff: '',
    datagramCache: [],
    trySendCount: 0,
    datagramIndex: 0,
    showSettingResult: false,
    settingResultText: '操作已完成！'
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    console.log('bluebooth info page load ', '**********************************************')
    let deviceId = options.deviceId;
    let serviceId = options.serviceId;
    let characteristicId = options.characteristicId;
    let connectedBluetoothName = options.connectedBluetoothName;
    console.log('name' + connectedBluetoothName)
    let devices = {}
    devices['deviceId'] = deviceId;
    devices['serviceId'] = serviceId;
    devices['characteristicId'] = characteristicId;
    devices['connectedBluetoothName'] = connectedBluetoothName;
    this.setData({
      devices: devices,
      trySendCount: 0,
      datagramIndex: 0
    })
    task_timer = undefined;
    this.getRtuRunSetting();

    if (this.data.datagramCache.length > 0) {
      let datagram = this.data.datagramCache[this.data.datagramIndex];
      this.sendDatagramToRtu(datagram);
      let index = this.data.datagramIndex + 1;
      if (this.data.datagramCache.length == index) {
        index = 0;
      }
      let count = this.data.trySendCount + 1;
      this.setData({
        datagramIndex: index,
        trySendCount: count
      })
    }
  },
  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {
    console.log('bluebooth runSetting page onHide ', '**********************************************')
    this.cancelTime();
  },
  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
    console.log('bluebooth runSetting page onUnload ', '**********************************************')
    this.cancelTime();
  },
  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    console.log('bluebooth runSetting page onShow ', '**********************************************')
    this.timeCallback();
  },
  settingCompletTabEvent(e) {
    this.setData({
      showSettingResult: false
    })
    const btn = e.detail.index;
    if (btn == 0) {
      wx.navigateBack();
    }
  },
  radioChange: function (e) {
    let intervalTime = e.detail.value;
    let radioItems = this.data.rtuInfo.datagramTimes;
    for (let i = 0, len = radioItems.length; i < len; ++i) {
      radioItems[i].checked = radioItems[i].value == intervalTime;
    }
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.datagramTimes = radioItems;
    rtuInfo.intervalTime = intervalTime;
    this.setData({
      rtuInfo: rtuInfo
    });
  },
  waterLevelSensorKindRadioChange: function (e) {
    var rtuInfo = this.data.rtuInfo;
    var radioItems = this.data.rtuInfo.waterLevelSensorKind;
    for (var i = 0, len = radioItems.length; i < len; ++i) {
      radioItems[i].checked = radioItems[i].value == e.detail.value;
    }
    rtuInfo.waterLevelSensorKind = radioItems;
    this.setData({
      rtuInfo: rtuInfo
    });
  },
  flowRateSensorKindRadioChange: function (e) {
    var rtuInfo = this.data.rtuInfo;
    var radioItems = this.data.rtuInfo.flowRateSensorKind;
    for (var i = 0, len = radioItems.length; i < len; ++i) {
      radioItems[i].checked = radioItems[i].value == e.detail.value;
    }
    rtuInfo.flowRateSensorKind = radioItems;
    this.setData({
      rtuInfo: rtuInfo
    });
  },
  flowRateProtocolRadioChange: function (e) {
    var rtuInfo = this.data.rtuInfo;
    var radioItems = this.data.rtuInfo.flowRateSensorProtocolType;
    for (var i = 0, len = radioItems.length; i < len; ++i) {
      radioItems[i].checked = radioItems[i].value == e.detail.value;
    }
    rtuInfo.flowRateSensorProtocolType = radioItems;
    this.setData({
      rtuInfo: rtuInfo
    });
  },
  addDatagramInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.addIntervalTime = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterBaseValueInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_level_base_point = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterCorrectValueInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_level_correct_point = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  rainPrecisionInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.rain_precision = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  rainExtraDatagramThresholdInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.rain_extra_datagram_threshold = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeAgreementInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_agreement = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeIdInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_id = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeAddressInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_address = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeFormatInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_format = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeAdjustInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_adjust = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  waterSeSymbolInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.water_se_symbol = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  riverDeepInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.riverDeep = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  riverWideInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.riverWide = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  riverAngleInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.riverAngle = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  radarHighInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.radarHigh = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  faceCoeInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.faceCoe = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  speedCoeInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.speedCoe = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  flowModelCoeInputHandle: function (e) {
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.flowModelCoe = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  flowRateSensorIdInputHandle: function(e){
    let rtuInfo = this.data.rtuInfo;
    rtuInfo.flowRateSensorId = e.detail.value;
    this.setData({
      rtuInfo: rtuInfo
    })
  },
  submitRunsetting: function () {
    this.cancelTime();
    let datagram = datagramHelp.datagram_42(this.data.rtuInfo);
    this.sendDatagramToRtu(datagram);
  },
  getRtuRunSetting() {
    let datagram = datagramHelp.datagram_43();
    let cache = this.data.datagramCache;
    cache.push(datagram);
  },
  pushDatagramBuff(datagram) {
    let tmpdatagramBuff = this.data.datagramBuff;
    if (tmpdatagramBuff.length > 0) {
      tmpdatagramBuff = tmpdatagramBuff + datagram;
    } else {
      tmpdatagramBuff = datagram;
    }
    console.log(" datagram buff ==========", tmpdatagramBuff)
    this.setData({
      datagramBuff: tmpdatagramBuff
    })
    this.processDatagram();
  },
  processDatagram() {
    let datagram = this.data.datagramBuff;
    if (datagram.length > 0) {
      for (let i = 0; i < datagram.length; i++) {
        if (datagram.indexOf("7e7e") == 0) {
          break;
        } else {
          datagram = datagram.substring(i, datagram.length);
        }
      }
      if (null != datagram && datagram.length > 0 && datagram.indexOf("7e7e") >= 0) {
        if (datagram.length >= 26) {
          var lenBuff = util.HexStr2Bytes(datagram.substring(22, 22 + 4));
          var len = util.byteToUint16(lenBuff); // 报文长度(int)
          var datagramlength = 11 + len + 6;
          if (datagram.length >= datagramlength * 2) {
            var onedatagram = datagram.substring(0, datagramlength * 2);
            if (!datagramHelp.crcCheck(onedatagram)) {
              wx.showToast({
                title: '数据CRC校验错误，请重试！',
                icon: 'none',
                duration: 2000
              })
              this.setData({
                datagramBuff: ''
              })
              return;
            }
            var count = 20;
            var funcode = datagram.substring(count, count + 2);
            count += 2;
            if (funcode == "f6") {

            } else if (funcode == "f7") {

            } else if (funcode == '45') {

            } else if (funcode == '47') {

            } else if (funcode == '48') {

            } else if (funcode == '41') {

            } else if (funcode == '40') {

            } else if (funcode == '43') {
              var info = datagramHelp.datagram_43_analyse(onedatagram)
              console.log(info)
              let rtuInfo = this.data.rtuInfo;
              let intervalTime = info['intervalTime'];
              let datagramTimes = rtuInfo.datagramTimes;
              //  let it = {};
              //it['name'] = "5分钟";
              // it['value'] = "5";
              if (intervalTime == "5") {
                datagramTimes[0]['checked'] = true;
              } else {
                datagramTimes[0]['checked'] = false;
              }
              // datagramTimes.push(it);
              //  it = {};
              //  it['name'] = "1小时";
              // it['value'] = "60";
              if (intervalTime == "60") {
                datagramTimes[1]['checked'] = true;
              } else {
                datagramTimes[1]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "2小时";
              //it['value'] = "120";
              if (intervalTime == "120") {
                datagramTimes[2]['checked'] = true;
              } else {
                datagramTimes[2]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "3小时";
              //it['value'] = "180";
              if (intervalTime == "180") {
                datagramTimes[3]['checked'] = true;
              } else {
                datagramTimes[3]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "4小时";
              //it['value'] = "240";
              if (intervalTime == "240") {
                datagramTimes[4]['checked'] = true;
              } else {
                datagramTimes[4]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "6小时";
              //it['value'] = "360";
              if (intervalTime == "360") {
                datagramTimes[5]['checked'] = true;
              } else {
                datagramTimes[5]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "8小时";
              //it['value'] = "480";
              if (intervalTime == "480") {
                datagramTimes[6]['checked'] = true;
              } else {
                datagramTimes[6]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "12小时";
              //it['value'] = "720";
              if (intervalTime == "720") {
                datagramTimes[7]['checked'] = true;
              } else {
                datagramTimes[7]['checked'] = false;
              }
              //datagramTimes.push(it);
              //it = {};
              //it['name'] = "24小时";
              //it['value'] = "1440";
              if (intervalTime == "1440") {
                datagramTimes[8]['checked'] = true;
              } else {
                datagramTimes[8]['checked'] = false;
              }
              //datagramTimes.push(it);


              rtuInfo['intervalTime'] = intervalTime;
              rtuInfo['datagramTimes'] = datagramTimes;

              var v = info['addIntervalTime'];
              if (null != v && v.length > 0) {
                rtuInfo['addIntervalTime'] = info['addIntervalTime'];
              }

              v = info['water_level_base_point'];
              if (null != v && v.length > 0) {
                rtuInfo['water_level_base_point'] = info['water_level_base_point'];
              }

              v = info['water_level_correct_point'];
              if (null != v && v.length > 0) {
                rtuInfo['water_level_correct_point'] = info['water_level_correct_point'];
              }

              v = info['rain_precision'];
              if (null != v && v.length > 0) {
                rtuInfo['rain_precision'] = info['rain_precision'];
              }

              v = info['rain_extra_datagram_threshold'];
              if (null != v && v.length > 0) {
                rtuInfo['rain_extra_datagram_threshold'] = info['rain_extra_datagram_threshold'];
              }

              v = info['water_se_agreement'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_agreement'] = info['water_se_agreement'];
              }

              v = info['water_se_id'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_id'] = info['water_se_id'];
              }

              v = info['water_se_address'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_address'] = info['water_se_address'];
              }

              v = info['water_se_format'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_format'] = info['water_se_format'];
              }

              v = info['water_se_adjust'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_adjust'] = info['water_se_adjust'];
              }

              v = info['water_se_symbol'];
              if (null != v && v.length > 0) {
                rtuInfo['water_se_symbol'] = info['water_se_symbol'];
              }

              v = info['riverDeep'];
              if (null != v && v.length > 0) {
                rtuInfo['riverDeep'] = info['riverDeep'];
              }

              v = info['riverWide'];
              if (null != v && v.length > 0) {
                rtuInfo['riverWide'] = info['riverWide'];
              }

              v = info['riverAngle'];
              if (null != v && v.length > 0) {
                rtuInfo['riverAngle'] = info['riverAngle'];
              }

              v = info['radarHigh'];
              if (null != v && v.length > 0) {
                rtuInfo['radarHigh'] = info['radarHigh'];
              }

              v = info['faceCoe'];
              if (null != v && v.length > 0) {
                rtuInfo['faceCoe'] = info['faceCoe'];
              }

              v = info['speedCoe'];
              if (null != v && v.length > 0) {
                rtuInfo['speedCoe'] = info['speedCoe'];
              }

              v = info['flowModelCoe'];
              if (null != v && v.length > 0) {
                rtuInfo['flowModelCoe'] = info['flowModelCoe'];
              }

              let waterLevelSensorKind = rtuInfo.waterLevelSensorKind;
              let waterLevelSensorKindValue = info['waterLevelSensorKind'];
              for(let i=0;i<3;i++){
                if (waterLevelSensorKindValue == i) {
                  waterLevelSensorKind[i]['checked'] = true;
                } else {
                  waterLevelSensorKind[i]['checked'] = false;
                }
              }


              let flowRateSensorKind = rtuInfo.flowRateSensorKind;
              let flowRateSensorKindValue = info['flowRateSensorKind'];
              for(let i=0;i<3;i++){
                if (flowRateSensorKindValue == i) {
                  flowRateSensorKind[i]['checked'] = true;
                } else {
                  flowRateSensorKind[i]['checked'] = false;
                }
              }


              let flowRateSensorProtocolType = rtuInfo.flowRateSensorProtocolType;
              let flowRateSensorProtocolTypeValue = info['flowRateSensorProtocolType'];
              for(let i=0;i<15;i++){
                if (flowRateSensorProtocolTypeValue == i) {
                  flowRateSensorProtocolType[i]['checked'] = true;
                } else {
                  flowRateSensorProtocolType[i]['checked'] = false;
                }
              }


             let flowRateSensorId =  info['flowRateSensorId'];
             if (null != flowRateSensorId && flowRateSensorId.length > 0) {
              rtuInfo['flowRateSensorId'] = flowRateSensorId;
            }


              this.setData({
                rtuInfo: rtuInfo
              });
              this.cancelTime();
            } else if (funcode == '42') {
              this.setData({
                showSettingResult: true,
                settingResultText: "运行参数配置已完成！"
              })
              // wx.showToast({
              //   title: 'RTU运行参数设置已完成！',
              //   icon: 'ok',
              //   duration: 2000 //持续的时间
              // })
            } else if (funcode == '4A') {

            } else if (funcode == '51') {

            } else if (funcode == 'f3') {

            }
            if (datagram.length - datagramlength * 2 > 0) {
              let tmp = datagram.substring(datagramlength * 2, datagram.length);
              this.setData({
                datagramBuff: tmp
              })
            }
          } else {
            this.setData({
              datagramBuff: datagram
            })
          }
        } else {
          this.setData({
            datagramBuff: datagram
          })
        }
      } else {
        if (null != datagram && datagram.length > 0) {
          this.setData({
            datagramBuff: datagram
          })
        } else {
          this.setData({
            datagramBuff: ''
          })
        }
      }
    }
  },
  sendDatagramToRtu(datagram) {
    console.log("will send datagram " + datagram);
    let buffer = util.HexStr2Bytes(datagram);
    var that = this;
    let count = 0;
    let inView = new DataView(buffer);
    while (true) {
      if (buffer.byteLength - count > 20) {
        let tmpBuff = new ArrayBuffer(20);
        let outView = new DataView(tmpBuff);
        for (let i = 0; i < 20; i++) {
          outView.setUint8(i, inView.getUint8(count + i))
        }
        wx.writeBLECharacteristicValue({
          deviceId: that.data.devices['deviceId'],
          serviceId: that.data.devices['serviceId'],
          characteristicId: that.data.devices['characteristicId'],
          value: tmpBuff,
          success(res) {
            console.log('writeBLECharacteristicValue success', res.errMsg)
            wx.onBLECharacteristicValueChange((characteristic) => {
              console.log("read datagram==============", util.ab2hex(characteristic.value))
              var datagram = util.ab2hex(characteristic.value);
              that.pushDatagramBuff(datagram);
            })
            wx.readBLECharacteristicValue({
              deviceId: that.data.devices['deviceId'],
              serviceId: that.data.devices['serviceId'],
              characteristicId: that.data.devices['characteristicId'],
              success: function (res) {
                console.log('readBLECharacteristicValue')
              }
            })
          },
          fail(res) {
            console.log('writeBLECharacteristicValue success', res.errMsg)
          }
        })
        count += 20;
      } else {
        let len = buffer.byteLength - count;
        let tmpBuff = new ArrayBuffer(len);
        let outView = new DataView(tmpBuff);
        for (let i = 0; i < len; i++) {
          outView.setUint8(i, inView.getUint8(count + i))
        }
        wx.writeBLECharacteristicValue({
          deviceId: that.data.devices['deviceId'],
          serviceId: that.data.devices['serviceId'],
          characteristicId: that.data.devices['characteristicId'],
          value: tmpBuff,
          success(res) {
            console.log('writeBLECharacteristicValue success', res.errMsg)
            wx.onBLECharacteristicValueChange((characteristic) => {
              console.log("read datagram==============", util.ab2hex(characteristic.value))
              var datagram = util.ab2hex(characteristic.value);
              that.pushDatagramBuff(datagram);
            })
            wx.readBLECharacteristicValue({
              deviceId: that.data.devices['deviceId'],
              serviceId: that.data.devices['serviceId'],
              characteristicId: that.data.devices['characteristicId'],
              success: function (res) {
                console.log('readBLECharacteristicValue')
              }
            })
          },
          fail(res) {
            console.log('writeBLECharacteristicValue success', res.errMsg)
          }
        })
        count += len;
      }
      if (count >= buffer.byteLength) {
        break;
      }
    }
  },
  timeCallback() {
    var that = this;
    task_timer = setTimeout(function () {
      console.log("------------------------------------Time CallBack----------------------------");
      if (that.data.trySendCount == 0) {
        let datagram = that.data.datagramCache[that.data.datagramIndex];
        that.sendDatagramToRtu(datagram);
        let index = that.data.datagramIndex + 1;
        if (that.data.datagramCache.length == index) {
          index = 0;
        }
        let count = that.data.trySendCount + 1;
        that.setData({
          datagramIndex: index,
          trySendCount: count
        })
      } else {
        let count = that.data.trySendCount + 1;
        if (count >= 10) {
          count = 0;
        }
        that.setData({
          trySendCount: count
        })
      }
      that.timeCallback();
    }, 3000);
  },
  cancelTime() {
    if (task_timer != undefined) {
      clearTimeout(task_timer);
      task_timer = undefined;
    }
    this.setData({
      datagramIndex: 0,
      trySendCount: 0
    })
  }
})