miniProgram/subpagesTwo/dropfoot/dropfoot.js

const app = getApp()

//main
Page({
//Data
    data: {
        OnlyReadOne: null,     // OnlyOneCheackStateMents
        receiveText: '',      // explain ReciveMesage
        connectedDeviceId: '',// BLE_List_ID
        service_uuid: '',     // BLE_UUID

        workstate: false,     // 工作状态
        target: 1,             // 强度
        current: 5,            // 时间
        mode: 1,               // 模式

        Rworkstate: 0,         // 工作状态
        Rtarget: 0,             // 强度
        Rcurrent1: 0,           // 分
        Rcurrent2: 0,           // 秒
        Rmode: 0,               // 模式
        RBattery: 0,            // 电量
        LastSendingTime: 0,
         timeInterval:1000,
        DisplayBLEconflag: 0,  //show ble offline
        tisrc: "/subpagesTwo/images/zmdevice/target1.png",
        tisrc1: "/subpagesTwo/images/zmdevice/target1.png",
        tisrc2: "/subpagesTwo/images/zmdevice/target.png",
        cisrc: "/subpagesTwo/images/zmdevice/current.png",
        cisrc1: "/subpagesTwo/images/zmdevice/current1.png",
        cisrc2: "/subpagesTwo/images/zmdevice/current.png",
        tcisc: 1,
        ccisc: 0,
    },
//响应强度按键
    handleClick(e) {
        var that = this;
        const value = e.currentTarget.dataset.value;
        this.setData({
            mode: value,
        });
        if (this.data.workstate) {
            this.setData({
                workstate: false
            });
            setTimeout(() => {
                this.setData({
                    workstate: true
                });
                that.setDevdata(that,true);
            }, 500);
        }
        // 这里可以添加其他逻辑
        console.log('当前值:', value);
    }, setDevdata(that,flag=false) {
        var timestamp = new Date().getTime();
        if ( !flag&&(that.data.LastSendingTime !== 0 && timestamp - that.data.LastSendingTime < that.data.timeInterval)) {
            console.log('发送间隔小于500ms')
            return
        }
        that.data.LastSendingTime = timestamp
        // Makeup Inquire Message
        //  0B 4D(帧头)
        //  01(设备id)
        //  10(写)
        //  00 70(命令字)
        //  00 02(命令个数)
        //  04(数据个数)
        //  WorkState(工作状态) Vvalue(强度) Tvalue(时间) 模式(mode)
        //  CRCL CRCH (校验)
        //  1C 0D(帧尾)
        var temp_data_send = new Array(0x01, 0x10, 0x00, 0x70, 0x00, 0x02, 0x04,
            that.data.workstate, that.data.current, that.data.target, that.data.mode);
        let temp_crc = app.CRC16(temp_data_send)
        temp_data_send.push(temp_crc[0]);
        temp_data_send.push(temp_crc[1]);
        // Add HeadTail
        var senddata = new ArrayBuffer(17);
        let bufferview = new DataView(senddata);
        bufferview.setUint8(0, 0x0b);
        bufferview.setUint8(1, 0x4d);
        for (var i = 0; i < 13; i++) {
            bufferview.setUint8([i + 2], temp_data_send[i]);
        }
        bufferview.setUint8(15, 0x1c);
        bufferview.setUint8(16, 0x0d);

        let RecoedData = senddata
        // console.log("==========================", that.data.target)
        wx.writeBLECharacteristicValue({
            deviceId: that.data.connectedDeviceId,
            serviceId: that.data.service_uuid,
            characteristicId: "0003CDD2-0000-1000-8000-00805F9B0131",
            value: RecoedData,
            success: function (res) {
                console.log('查询发送')
            },
            fail: function (err) {
                console.log(err, '查询发送失败')
            }
        })
    },
// init
    onLoad: function (options) {
        var that = this;
        that.setData({
            connectedDeviceId: options.connectedDeviceId,
            OnlyReadOne: null,
            service_uuid: options.serviceId,
            OnlyReadOne: setInterval(function () {
                that.setDevdata(that);
            }, that.data.timeInterval),
        })
        // 检测连接
        wx.onBLEConnectionStateChange(function (res) {
            console.log(res.connected)
            if (res.connected == 0 && that.data.DisplayBLEconflag == 0) {
                wx.showModal({
                    title: '提示',
                    content: '设备已断开',
                    showCancel: false,
                    success: function (res) {
                        that.setData({
                            connected: false,
                            workstate: 0
                        })
                    }
                })
            }
            that.setData({
                connected: res.connected,
            })
        })
        wx.onBLECharacteristicValueChange(function (res) {
            console.log(`characteristic ${res.characteristicId} has changed, now is ${res.value}`)
            that.setData({
                receiveText: app.ab2hex(res.value)
            })

            let seceiver_buff = new Uint8Array(res.value);

            for (let i = 0; i < seceiver_buff.length; i++) {
                console.log(seceiver_buff[i].toString(16).padStart(2, '0') + ' ');
            }

            //开始处理蓝牙返回指令
            for (var i = 0; i < (seceiver_buff.length - 10); i++) {
                if (seceiver_buff[i] == 0x0b) {

                    if ((seceiver_buff[i + 1] == 0x4d) && (seceiver_buff[i + 2] == 0x01) && (seceiver_buff[i + 3] == 0x10) && (seceiver_buff[i + 4] == 0x00) && (seceiver_buff[i + 5] == 0x70) && (seceiver_buff[i + 6] == 0x00) && (seceiver_buff[i + 7] == 0x03) && (seceiver_buff[i + 8] == 0x06)) {

                        if ((seceiver_buff[i + 17] == 0x1C) && (seceiver_buff[i + 18] == 0x0D)) {
                            let dataToVerify = seceiver_buff.subarray(i + 2, i + 15);   //索引2-14
                            let calculatedCRC = app.CRC16(dataToVerify);
                            if (calculatedCRC[0] == seceiver_buff[i + 15] && calculatedCRC[1] == seceiver_buff[i + 16]) {
                                that.setData({
                                    connected: true,
                                    Rworkstate: seceiver_buff[i + 10],     // 工作状态
                                    Rtarget: seceiver_buff[i + 11],             // 强度
                                    target: seceiver_buff[i + 11],
                                    Rcurrent1: seceiver_buff[i + 12],           // 分
                                    Rcurrent2: seceiver_buff[i + 13],           // 秒
                                    Rmode: seceiver_buff[i + 9],               // 模式
                                    RBattery: seceiver_buff[i + 14],            // 电量
                                })
                              // console.log("收到数据：");
                              // console.log("设备模式：",seceiver_buff[i+9]);
                              // console.log("设备状态：",seceiver_buff[i+10]);
                              // console.log("设备挡位：",seceiver_buff[i+11]);
                              break;
                            }
                        } else {
                            continue
                        }
                    } else {
                        continue
                    }
                } else {
                    continue
                }
            }
        })


    },

//开始停止
    Send: function () {
        var that = this
        if (that.data.workstate == false) {
            that.setData({
                workstate: true
            })
        } else {
            that.setData({
                workstate: false
            })
        }
        this.setDevdata(that,true);
    },

// 强度
    VoltagecheckboxChange: function (e) {
        if (e.detail.value != "") {
            this.setData({
                tcisc: 1, ccisc: 0,
                tisrc: this.data.tisrc1,
                cisrc: this.data.cisrc2,
            });
        } else {
            this.setData({tcisc: 0, tisrc: this.data.tisrc2});
        }
        this.setDevdata(this,true);
    },

// 时间
    currentcheckboxChange: function (e) {
        if (e.detail.value != "") {
            this.setData({
                ccisc: 1, tcisc: 0,
                cisrc: this.data.cisrc1,
                tisrc: this.data.tisrc2,
            });
        } else {
            this.setData({ccisc: 0, cisrc: this.data.cisrc2});
        }
        this.setDevdata(this,true);
    },

//左键
    leftTouchEnd: function (event) {
        var that = this;
        if (this.data.workstate == true) {
            if (that.data.tcisc == 1) {
                if (that.data.target > 1) {
                    that.setData({
                        target: that.data.target - 1,
                    });
                    this.setDevdata(that,true);
                } else {
                    console("强度越界");
                    return;
                }
            } else if (that.data.ccisc == 1) {
                if (that.data.current > 5) {
                    that.setData({
                        current: that.data.current - 5,
                    });
                    this.setDevdata(that,true);
                } else {
                    console.log("时间越界");
                    return;
                }
            } else {
                console.log("选择出错");
                return;
            }
        } else {
            wx.showModal({
                title: '提示',
                content: '设备未开始工作',
                showCancel: false,
                success: function (res) {
                    that.setData({})
                }
            })
        }

    },


//右键
    rightTouchEnd: function (event) {
        var that = this;
        if (this.data.workstate == true) {
            if (that.data.tcisc == 1) {
                if (that.data.target < 30) {
                    that.setData({
                        target: that.data.target + 1,
                    });
                    this.setDevdata(that,true);
                } else {
                    console.log("强度越线");
                    return;
                }

            } else if (that.data.ccisc == 1) {
                if (that.data.current < 20) {
                    that.setData({
                        current: that.data.current + 5,
                    });
                    this.setDevdata(that,true);
                } else {
                    console.log("时间越线");
                    return;
                }
            } else {
                console.log("选择失败");
                return;
            }
        } else {
            wx.showModal({
                title: '提示',
                content: '设备未开始工作',
                showCancel: false,
                success: function (res) {
                    that.setData({})
                }
            })
        }
    },

    onReady: function () {

    },

    onShow: function () {
        var that = this;
        if (that.data.connected == false) {
            clearInterval(this.data.OnlyReadOne);
        }
    },

    onHide: function () {

    },
    onUnload: function () {
        this.data.DisplayBLEconflag = 1,
            // 关查询定时
            clearInterval(this.data.OnlyReadOne)
        // 关蓝牙连接
        wx.closeBLEConnection({
            deviceId: this.data.connectedDeviceId,
            success(res) {
                console.log(res)
            }
        })
    },
// Back to Search
    handlerGobackClick(delta) {
        wx.navigateBack({
            delta: 2
        });
    },
})