Page({/*** 页面的初始数据*/data: {connect: false,send_hex: false,send_string: true,send_string_val: 'Hex',recv_string: true,recv_string_val: 'Hex',recv_value: '',send_number: 0,recv_number: 0,recv_hex: true,wendu: 30,yanwu: 60},/*** 生命周期函数--监听页面加载 */onLoad: function (options) {wx.stopBluetoothDevicesDiscovery({success: function (res) {console.log('停止搜索设备', res)}})console.log(options);this.setData({deviceId: options.id,deviceName: options.name});console.log('设备的ID', this.data.deviceId);},/*** 生命周期函数--监听页面显示 */onShow: function () {wx.stopBluetoothDevicesDiscovery({success: function (res) {console.log('停止搜索设备', res)}})var that = this;/* 连接中动画 */wx.showLoading({title: '连接中...',});/* 开始连接蓝牙设备 */wx.createBLEConnection({deviceId: that.data.deviceId,success: function (res) {console.log('连接成功', res);wx.hideLoading();/* 获取设备的服务UUID */wx.getBLEDeviceServices({deviceId: that.data.deviceId,success: function (service) {that.setData({serviceId: "0000FFE0-0000-1000-8000-00805F9B34FB" //确定需要的服务UUID
                        });console.log('需要的服务UUID', that.data.serviceId)that.Characteristics(); //调用获取特征值函数
                    },});that.setData({connect: true})},})},Characteristics: function () {var that = this;var device_characteristics = [];var characteristics_uuid = {};wx.getBLEDeviceCharacteristics({deviceId: that.data.deviceId,serviceId: that.data.serviceId,success: function (res) {var characteristics = res.characteristics; //获取到所有特征值var characteristics_length = characteristics.length; //获取到特征值数组的长度console.log('获取到特征值', characteristics);console.log('获取到特征值数组长度', characteristics_length);that.setData({notycharacteristicsId: "0000FFE1-0000-1000-8000-00805F9B34FB", //需确定要的使能UUIDcharacteristicsId: "0000FFE1-0000-1000-8000-00805F9B34FB" //暂时确定的写入UUID
                });console.log('使能characteristicsId', that.data.notycharacteristicsId);console.log('写入characteristicsId', that.data.characteristicsId);that.notycharacteristicsId(); //使能事件},})},/* 使能函数 */notycharacteristicsId: function () {var that = this;var recv_value_ascii = "";var string_value = "";var recve_value = "";wx.notifyBLECharacteristicValueChange({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.notycharacteristicsId,state: true,success: function (res) {console.log('使能成功', res);/* 设备返回值 */wx.onBLECharacteristicValueChange(function (res) {var length_hex = [];var turn_back = "";var result = res.value;var hex = that.buf2hex(result);console.log('返回的值', hex);if (that.data.recv_string == true) {/* 成功接收到的值的展示 */that.setData({recv_value: that.data.recv_value + hex});/* 接收成功的值的字节 */var recv_number_1 = that.data.recv_number + hex.length / 2;var recv_number = Math.round(recv_number_1);that.setData({recv_number: recv_number});} else {console.log('设备返回来的值', hex);var f_hex = hex;var length_soy = f_hex.length / 2;var length = Math.round(length_soy);for (var i = 0; i < length; i++) {var hex_spalit = f_hex.slice(0, 2);length_hex.push(hex_spalit);f_hex = f_hex.substring(2);}console.log('length_hex', length_hex);for (var j = 0; j < length_hex.length; j++) {var integar = length_hex[j]; //十六进制recve_value = parseInt(integar, 16); //十进制console.log('recve_value', recve_value);turn_back = turn_back + String.fromCharCode(recve_value);console.log('turn_back', turn_back);}console.log('最终转回来的值', turn_back)var recv_number_1 = that.data.recv_number + turn_back.length;var recv_number = Math.round(recv_number_1);that.setData({recv_number: recv_number,recv_value: that.data.recv_value + turn_back})}});},fail: function (res) {console.log('使能失败', res);}})},/* 断开连接 */DisConnectTap: function () {var that = this;wx.closeBLEConnection({deviceId: that.data.deviceId,success: function (res) {console.log('断开设备连接', res);wx.reLaunch({url: '../index/index',})}});},/*** 生命周期函数--监听页面卸载  */onUnload: function () {var that = this;wx.closeBLEConnection({deviceId: that.data.deviceId,success: function (res) {console.log('断开设备连接', res);}});},/* 清除Recv Bytes */CleanNumberRecv: function () {this.setData({recv_number: 0})},/* ArrayBuffer类型数据转为16进制字符串 */buf2hex: function (buffer) { // buffer is an ArrayBuffervar hexArr = Array.prototype.map.call(new Uint8Array(buffer),function (bit) {return ('00' + bit.toString(16)).slice(-2)})return hexArr.join('');},switch1Change: function (e) {var that = this;let buffer = new ArrayBuffer(1)let dataView = new DataView(buffer)if (e.detail.value) {dataView.setUint8(0, 0)} else {dataView.setUint8(0, 1)}wx.writeBLECharacteristicValue({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.characteristicsId,value: buffer,success: function (res) {console.log('数据发送成功', res);console.log(buffer);},fail: function (res) {console.log('调用失败', res);/* 调用失败时，再次调用 */wx.writeBLECharacteristicValue({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.characteristicsId,value: buffer,success: function (res) {console.log('第2次数据发送成功', res);}})}})},switch1Change1: function (e) {var that = this;let buffer = new ArrayBuffer(1)let dataView = new DataView(buffer)if (e.detail.value) {dataView.setUint8(0, 2)} else {dataView.setUint8(0, 3)}wx.writeBLECharacteristicValue({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.characteristicsId,value: buffer,success: function (res) {console.log('数据发送成功', res);console.log(buffer);},fail: function (res) {console.log('调用失败', res);/* 调用失败时，再次调用 */wx.writeBLECharacteristicValue({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.characteristicsId,value: buffer,success: function (res) {console.log('第2次数据发送成功', res);}})}})},add: function (e) {var id = e.target.id;if (this.data[id] > 98) {wx.showToast({title: '已超过最大数值',icon: 'loading',duration: 2000})return;}this.setData({[id]: +this.data[id] + 1});this.numbers(id)},lessen: function (e) {var id = e.target.id;if (this.data[id] < 1) {wx.showToast({title: '已小于最小数值',icon: 'loading',duration: 2000})return;}this.setData({[id]: +this.data[id] - 1});this.numbers(id)},changeVal: function (e) {var id = e.target.id;if (e.detail.value < 1 || e.detail.value > 100) {wx.showToast({title: '请输入有效数值',icon: 'loading',duration: 2000})return;}this.setData({[id]: e.detail.value});this.numbers(id)},numbers: function (id) {var that = this;var number = '9';let buffer = new ArrayBuffer(1)let dataView = new DataView(buffer)console.log(id)if (id == 'wendu') {number = '8' + that.data[id];dataView.setUint8(0, 8)} else {number = number + that.data[id];dataView.setUint8(0, number)}wx.writeBLECharacteristicValue({deviceId: that.data.deviceId,serviceId: that.data.serviceId,characteristicId: that.data.characteristicsId,value: buffer,success: function (res) {console.log('数据发送成功', res);console.log(buffer);}})}
})

.connect_box {width: 100%;height: 30px;line-height: 30px;font-size: 32rpx;color: #666;font-family: "Microsoft YaHei";
}
.connect_device_name{float: left;padding-left: 10px;color: #39beff;
}.connect_state {float: right;padding-right: 10px;text-decoration: underline;color: #39beff;
}.fan{width: 2rem;height: 2rem;vertical-align: middle;margin-left: 2.25rem;margin-right: 0.25rem;
}
.water{width: 2.5rem;height: 2rem;vertical-align: middle;margin-left: 2rem;
}
.name{display: inline-block;width: 22%;margin-left: 1.5rem;font-size: 0.9rem;
}
.key{float: right;margin-right: 2rem;margin-top: 0.2rem;
}
.detail_box{padding: 1.5rem 0;border-bottom: 1px solid #ccc;
}.num {display: inline-block;width: 45%;text-align: right;vertical-align: middle;
}.num input {display: inline-block;width: 2rem;text-align: center;border: 1px solid #f2f2f2;border-left: none;border-right: none;color: #a2a2a2;
}.num text {display: inline-block;width: 1.4rem;height: 1.4rem;line-height: 1.4rem;text-align: center;border: 1px solid #f2f2f2;vertical-align: top;color: #dcdcdc;
}
.wendu{width:1.9rem;height:2rem;vertical-align:middle;margin-left:2.3rem;margin-right:.3rem;
}

<view class="connect_box"><text class='connect_device_name'>{{deviceName}}</text><text wx:if="{{connect}}" class="connect_state" catchtap="DisConnectTap">已连接</text><text wx:else class="connect_state">未连接</text>
</view>
<view ><view class="detail_box"><image src='../../images/airFan.png' class="fan"></image><view class='name'>风扇</view><switch bindchange="switch1Change" class='key' /></view><view class="detail_box"><image src='../../images/waterPump.png' class="water"></image><view class='name'>水泵</view><switch  bindchange="switch1Change1" class='key' /></view><view class="detail_box"><image src='../../images/temperature.png' class="wendu"></image><view class='name'>温度阀值</view><view class='num'><text style='border-radius: 3px 0 0 3px;' id='wendu' bindtap='lessen'>-</text><input type='number' value='{{wendu}}' name='piece' id='wendu' bindblur="changeVal" /><text style='border-radius: 0 3px 3px 0;' id='wendu' bindtap='add'>+</text></view></view><view class="detail_box"><image src='../../images/smog.png' class="water"></image><view class='name'>烟雾阀值</view><view class='num'><text style='border-radius: 3px 0 0 3px;' id='yanwu' bindtap='lessen'>-</text><input type='number' value='{{yanwu}}' name='piece' id='yanwu' bindblur="changeVal" /><text style='border-radius: 0 3px 3px 0;' id='yanwu' bindtap='add'>+</text></view></view></view>

void ctrl(unsigned char a)    //单字节数据接收
{                            //注意：若单片机TXD（P3.1）无上拉能力，必须在P3.1端接上拉电阻。本次测试需要接上拉电阻TI=0;    SBUF=a;while(TI==0);TI=0;Mode=1;if(SBUF==0){LED_yanwu=0;baojing=0;fs=0;led1=0;led2=0;}else if(SBUF==1){LED_yanwu=1;baojing=1;fs=1;Mode=0;}else if(SBUF==2){baojing=0;LED_wendu=0;fs1=0;}else if(SBUF==3){baojing=1;LED_wendu=1;fs1=1;led1=0;led2=0;Mode=0;}
}
void main()
{check_wendu();check_wendu();Init1602();ES=0;                                  //关中断SCON = 0x50;                        // REN=1允许串行接受状态，串口工作模式1,//10位UART（1位起始位，8位数据位，1位停止位，无奇偶校验），波特率可变TMOD = 0x20;                        // 定时器1工作于方式2，8位自动重载模式, 用于产生波特率TH1=TL1=0xFD;                       // 波特率9600 （本次测试采用晶振为11.0592）PCON &= 0x7f;                       // 波特率不倍增TR1 = 1;                              //定时器1开始工作，产生波特率                TI=0;                                  //接收标志位置0RI=0;ES=1;while(1){temp=ADC0809();check_wendu();Key();if(RI==1)                     // 是否有数据到来
        {RI = 0;ctrl(SBUF);}       Display_1602(yushe_wendu,yushe_yanwu,c,temp); //c温度值，temp烟雾值if(Mode==0){if(temp>=yushe_yanwu){LED_yanwu=0;baojing=0;fs=0;}else{LED_yanwu=1;}if(c>800){c = 0;}if(c>=(yushe_wendu*10)){baojing=0;LED_wendu=0;fs1=0;}else{LED_wendu=1;}if((temp<yushe_yanwu)&&(c<(yushe_wendu*10))){baojing=1;fs=1;fs1=1;}}  }
}