lanya
- var app = getApp()
- Page({
- data: {
- motto: 'Hello World',
- openBLE:'打开蓝牙设备',
- startBLEDiscovery:'初始化蓝牙设备',
- startBLEDevices:'目标定位',
- reStartSearchBLE:'重置蓝牙',
- startSearchBLE:'默认空',
- userInfo: {},
- deviceId: '',
- searchFlag:true,
- deviceRSSI:'',
- deviceName:'',
- deviceId:[],
- advertisServiceUUIDs: [],
- advertisData:[],
- canvasPointX:'',
- canvasPointY:'',
- avatarUrl:'../index/bg-image.jpg',
- showPosition:''
- },
- //事件处理函数
- bindViewTap: function() {
- wx.navigateTo({
- url: '../logs/logs'
- })
- },
- onLoad: function () {
- var that = this
- //调用应用实例的方法获取全局数据
- //that.setData({ deviceId: opt.deviceId })
- app.getUserInfo( function(userInfo){
- //更新数据
- that.setData({
- userInfo:userInfo
- })
- //判断兼容性
- if (wx.openBluetoothAdapter) {
- //打开蓝牙适配器,如果没有打开 showtoast
- wx.openBluetoothAdapter({
- success: function(res){
- // success
- //获取本机的蓝牙适配器状态
- wx.getBluetoothAdapterState({
- success: function(res){
- // success
- that.setData({
- searchFlag:true
- })
- },
- fail: function(res) {
- // fail
- that.setData({
- searchFlag:false
- })
- },
- complete: function(res) {
- // complete
- }
- })
- },
- fail: function(res) {
- // fail 本机是否已经打开蓝牙设备
- wx.showToast({ title:'请打开本机蓝牙设备,重新扫码', duration:10000 })
- },
- complete: function(res) {
- // complete
- }
- })
- } else {
- // 如果希望用户在最新版本的客户端上体验您的小程序,可以这样子提示
- wx.showModal({
- title: '提示',
- content: '当前微信版本过低,无法使用该功能,请升级到最新微信版本后重试。'
- })
- }
- })
- },
- startBLEDevices: function(){
- var that = this
- wx.startBluetoothDevicesDiscovery({
- services: [],
- success: function(res){
- //获取本机蓝牙设备状态
- // success
- that.setData({
- showPosition:setInterval(that.devicesFunc,1000)
- })
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- },
- // startBLEDevices: function(){
- // var that = this
- // that.setData({
- // showPosition:setInterval(that.devicesFunc,1000)
- // })
- // },
- devicesFunc: function(){
- var that = this
- wx.getBluetoothDevices({
- success: function(res){
- // console.log(res);
- var arrayRSSI = new Array();
- var arraydeviceName = new Array();
- var arraydeviceId = new Array();
- // var arrayUUIDs = new Array();
- var arrayadvertisData = new Array();
- var pointADistance = '';
- var pointBDistance = '';
- var pointCDistance = '';
- for(var i = 0; i<res.devices.length;i++){
- //console.log(res.devices[i].name);
- if(res.devices[i].name.indexOf('craft')==0){
- //console.log(res.devices[i]);
- arrayRSSI.push(res.devices[i].RSSI);
- arraydeviceName.push(res.devices[i].name);
- arraydeviceId[i]= res.devices[i].deviceId;
- arrayUUIDs[i]= res.devices[i].advertisServiceUUIDs[i];
- arrayadvertisData[i]= res.devices[i].advertisData ;
- 调用计算rssi对应距离的函数
- var iRssi = Math.abs(arrayRSSI[i]);
- var power = (iRssi-59)/(10*2.0);
- var mm = Math.pow(10, power);
- console.log(arraydeviceName[i]+"距离的位置是"+mm+"米");
- 取 01,02,03分别为,(2,0),(2,2),(0,2)固定坐标点,做定位
- if(res.devices[i].name.indexOf('craft01')==0){
- var pointARSSi = res.devices[i].RSSI ;
- var iRssi = Math.abs(pointARSSi);
- var power = (iRssi-55)/(10*2.0);
- var pointADistance = Math.pow(10, power);
- console.log("a"+pointADistance);
- console.log(pointARSSi);
- }
- if(res.devices[i].name.indexOf('craft02')==0){
- var pointBRSSi = res.devices[i].RSSI;
- var iRssi = Math.abs(pointBRSSi);
- var power = (iRssi-55)/(10*2.0);
- var pointBDistance = Math.pow(10, power);
- console.log("b"+pointBDistance);
- console.log(pointBRSSi);
- }
- if(res.devices[i].name.indexOf('craft03')==0){
- var pointCRSSi = res.devices[i].RSSI;
- var iRssi = Math.abs(pointCRSSi);
- var power = (iRssi-57)/(10*2.0);
- var pointCDistance = Math.pow(10, power);
- console.log("c"+pointCDistance);
- console.log(pointCRSSi);
- }
- }
- }
- // 从 arrayRSSI 取三个距离定位点最近的ibeacon参与定位
- if(arrayRSSI.length > 3){
- //根据arrayRSSI进行信号强弱排序.距离越远rssi值越小
- for(var i = 0 ; i < arrayRSSI.length ; i ++){
- for(var j = i+1 ; j< arrayRSSI.length ; j++){
- if(arrayRSSI[i]<arrayRSSI[j]){
- var select = arrayRSSI[i];
- arrayRSSI[i] = arrayRSSI[j];
- arrayRSSI[j] = select;
- }
- }
- }
- //获取最近的三个距离
- for(var i = 0 ; i < 3; i++){
- if(i==0){
- var pointARSSi = res.devices[i].RSSI ;
- var iRssi = Math.abs(pointARSSi);
- var power = (iRssi-55)/(10*2.0);
- var pointADistance = Math.pow(10, power);
- console.log("a"+pointADistance);
- console.log(pointARSSi);
- }
- if(i==1){
- var pointBRSSi = res.devices[i].RSSI;
- var iRssi = Math.abs(pointBRSSi);
- var power = (iRssi-55)/(10*2.0);
- var pointBDistance = Math.pow(10, power);
- console.log("b"+pointBDistance);
- console.log(pointBRSSi);
- }
- if(i==2){
- var pointCRSSi = res.devices[i].RSSI;
- var iRssi = Math.abs(pointCRSSi);
- var power = (iRssi-57)/(10*2.0);
- var pointCDistance = Math.pow(10, power);
- console.log("c"+pointCDistance);
- console.log(pointCRSSi);
- }
- }
- }
- //获取定位点的x和y
- if(!pointADistance==''&&!pointBDistance==''&&!pointCDistance==''){
- var pointDX='';var pointDY = '';
- var p = Math.pow(pointADistance,2)/10-Math.pow(pointBDistance,2)/10;
- pointDX = 2.5 - p;
- var m = Math.pow(pointADistance,2)/10-Math.pow(pointCDistance,2)/10;
- pointDY = 2.5 - m;
- console.log('目标所在位置X是'+pointDX);
- console.log('目标所在位置Y是'+pointDY);
- if(pointDX > 0 && pointDY > 0){
- wx.showToast({ title:'欢迎进入25楼craft', duration:4000 });
- }
- that.setData({
- canvasPointX:pointDX,
- canvasPointY:pointDY
- })
- //创建画布
- //计算坐标点在规定canvas上的位置显示
- var context = wx.createCanvasContext();
- context.setStrokeStyle( "#00ff00");
- //a,b,c,d,e,f a,b起始坐标,c半径,d,e起始和终止角度
- context.arc(that.data.canvasPointX* 30,that.data.canvasPointY*30,5,0,2*Math.PI);
- context.fill();
- wx.drawCanvas({
- canvasId: 'firstCanvas',
- actions: context.getActions() // 获取绘图动作数组
- })
- wx.showModal({ title:'X轴:'+pointDX+'Y轴:'+pointDY, duration:5000 });
- //开始网络请求
- wx.request({
- url: '.php',
- data: {},
- method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
- // header: {}, // 设置请求的 header
- success: function(res){
- // success
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- } else{
- wx.showToast({ title:'正在搜索...', duration:1000 })
- 开始网络请求
- wx.request({
- url: '.php',
- data: {},
- method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
- // header: {}, // 设置请求的 header
- success: function(res){
- // success
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- }
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- } ,
- //动态显示
- createList: function(thisName){
- var that = this
- that.setData({
- array:[{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"}]
- })
- },
- reStartSearchBLE: function(){
- var that = this
- //清除本地数据缓存
- wx.stopBluetoothDevicesDiscovery({
- success: function(res){
- // success
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- wx.clearStorageSync();
- clearInterval(that.data.showPosition);
- console.log(that.data.showPosition);
- // that.context.clearRect(0,0,canvas.width,canvas.height);
- //断开蓝牙
- var that = this
- wx.closeBluetoothAdapter({
- success: function(res){
- // success
- console.log('重置成功');
- //打开蓝牙适配器,如果没有打开 showtoast
- wx.openBluetoothAdapter({
- success: function(res){
- // success
- //获取本机的蓝牙适配器状态
- wx.getBluetoothAdapterState({
- success: function(res){
- // success
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- },
- fail: function(res) {
- },
- complete: function(res) {
- // complete
- }
- })
- },
- fail: function(res) {
- // fail
- },
- complete: function(res) {
- // complete
- }
- })
- }
- //zheli
- })
-
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