TMRAppBle/script/ble.js

"use strict";
function initManager(param) {
    ble.initManager(param, function (ret) {
        if (ret.state === "poweredOn") {
            // console.log("初始化成功");
            scan({clean: true});
        } else if (ret.state === 'poweredOff') {
            api.hideProgress();
            mui.alert('检查蓝牙是否打开');
            document.getElementById('text').innerHTML = '检查蓝牙是否打开';
        }
    });
}

var times = 5;
var sta = true;
var scanInter;

function scan(param) {
    // if (!uuid){
    //     uuid = api.getPrefs({
    //         sync: true,
    //         key: 'uuid'
    //     });
    // }
    // if (uuid){
    //     disconnect({peripheralUUID: uuid});
    //     connect({peripheralUUID: uuid});
    //     return false
    // }
    sta = true
    clearInterval(scanInter)
    times = 5;
    ble.scan(param, function (ret) {
        if (ret.status) {
            scanInter = setInterval(function (){
                if (times>0){
                    times --;
                    api.showProgress({
                        title: '扫描中'+times+'...',
                        modal: true
                    });
                }else {
                    if (sta){
                        getPeripheral();
                        sta = false;
                    }
                }
            },1000)
        }
    });
}

function getPeripheral() {
    ble.getPeripheral(function (ret) {
        bleData = []
        var ret2 = {};
        if (ret.peripherals.length > 0) {
            ret.peripherals.forEach(function (p) {
                if (undefined !== p.name) {
                    console.log(p.name);
                    if (p.name.indexOf("TMR_BLE") === -1){
                        return false
                    }
                    var json = { value: p.uuid, text: p.name };
                    bleData.push(json);
                    if (!uuid){
                        uuid = api.getPrefs({
                            sync: true,
                            key: 'uuid'
                        });
                    }
                    if (uuid && uuid === p.uuid){
                        disconnect({peripheralUUID: uuid});
                        connect({peripheralUUID: uuid});
                    }
                    // if (p.name.indexOf("BLUE2USART") !== -1) {
                    //     uuid = p.uuid;
                    //     api.setPrefs({
                    //         key: 'uuid',
                    //         value: uuid
                    //     });
                    //     ret2 = p;
                    //     if (ret2 !== {}) {
                    //         var wifiDom = document.getElementById('wifiDom');
                    //         wifiDom.innerHTML = "设备:" + ret2.name;
                    //         api.hideProgress();
                    //         api.showProgress({
                    //             title: '设备连接中...',
                    //             modal: true
                    //         });
                    //         document.getElementById('text').innerHTML = '设备连接中';
                    //         connect({peripheralUUID: ret2.uuid});
                    //     }
                    // }
                }
            });
            bleInit()
            // if (undefined === ret2.uuid){
            //     mui.confirm('没有扫描到设备信息，继续扫描？', '提示', btnArray, function (e) {
            //         if (e.index === 0) {} else {
            //             scan({clean: true});
            //         }
            //     });
            // }
        }
        api.hideProgress();
    });
}

var connectTimes=0;

function connect(param) {
    var wifiDom = document.getElementById('wifiDom');
    wifiDom.innerHTML = "暂未连接";
    api.showProgress({
        title: '蓝牙连接中...',
        modal: true
    });
    ble.connect(param, function (ret, err) {
        if (ret.status) {
            connetcedStatus = true
            connectTimes = 0;
            wifiDom.innerHTML = '已连接';
            document.getElementById('text').innerHTML = '设备已连接';
            text = '设备已连接';
            console.log('主机端连接成功')
            initWeight();
            discoverService({peripheralUUID: param.peripheralUUID});
        }else {
            connetcedStatus = false
            connectTimes ++;
            console.log('主机端连接失败'+connectTimes+' '+uuid)
            wifiDom.innerHTML = '连接失败';
            api.hideProgress();
            setTimeout(function (){
                if (connectTimes < 5 && !connetcedStatus && uuid){
                    console.log("连接失败！尝试重连" + uuid);
                    wifiDom.innerHTML = '尝试重连';
                    connect({peripheralUUID: uuid});
                }
            },3000)
        }
    });
}

function disconnect(param) {
    ble.disconnect(param, function (ret, err) {
        if (ret.status) {
            console.log("断开连接成功！");
        } else {
            console.log("断开连接失败！");
        }
    });
}
var i;

var peripheralUUID =''
var serviceUUID =''
var characteristicUUID =''

var msgLed = '';
var msgChan = '';
var msgVoice = '';
var sendStatus = true;

var timerLed = null;

clearInterval(timerLed)
timerLed = setInterval(function(){
    if (sendStatus && connetcedStatus && peripheralUUID && serviceUUID && characteristicUUID) {
        sendStatus = false;
        var param1 = {
            peripheralUUID: peripheralUUID,
            serviceUUID: serviceUUID,
            characteristicUUID: characteristicUUID,
            value: msgLed
        };
        // console.log("msgLed"+new Date().getMilliseconds())
        writeValueForCharacteristic(param1, function (ret) {});
        setTimeout(function () {
            param1.value = msgVoice
            // console.log("msgVoice"+new Date().getMilliseconds())
            writeValueForCharacteristic(param1, function (ret) {});
            setTimeout(function () {
                param1.value = msgChan
                // console.log("msgChan"+new Date().getMilliseconds())
                writeValueForCharacteristic(param1, function (ret) {});
                setTimeout(function () {
                    // console.log("sendStatus"+new Date().getMilliseconds())
                    sendStatus = true
                }, 30);
            }, 50);
        }, 50);
    }
},150)

function discoverService(param) {
    ble.discoverService(param, function (ret) {
        if (ret.services.length > 0) {
            // console.log("发现服务成功！");
            ret.services.forEach(function (ret4) {
                if (ret4.indexOf("0000ffe") !== -1) {
                    if (ret4 && ret4.length > 0) {
                        discoverCharacteristics({
                            serviceUUID: ret4,
                            peripheralUUID: param.peripheralUUID
                        }, function (ret5) {
                            peripheralUUID = param.peripheralUUID;
                            serviceUUID =ret4;
                            characteristicUUID =ret5;
                            setNotify({
                                peripheralUUID: param.peripheralUUID,
                                serviceUUID: ret4,
                                characteristicUUID: ret5
                            }, function (ret6) {
                                if (ret6 !== undefined) {
                                    if (isNaN(ret6)) {
                                        return false
                                    }
                                    nowWeight = ret6;
                                    // console.log(ret6)
                                    if (first) {
                                        first = false;
                                        beforeWeight = nowWeight;
                                    }
                                    if (load) {
                                        _feedNum = nowWeight - beforeWeight;
                                    } else {
                                        _feedNum = beforeWeight - nowWeight;
                                    }
                                    text = feedName + _planSum;
                                    if (!isNaN(nowWeight)) {
                                        // 实时重量保存
                                        totalList.push({
                                            time: currTimeFn(new Date()),
                                            nowWeight: nowWeight
                                        });
                                    }
                                    serviceUUID = ret4;
                                    characteristicUUID = ret5;
                                    // console.log(_feedNum,_weightSum,_planSum);
                                    document.getElementById('feedNum').innerHTML = '<font style="color:blue">计划:' + _planSum + '</font>/<font style="color:green">已装:' + _feedNum + '</font>';
                                    if (ledStatus && !isNaN(nowWeight)) {
                                        getMess({
                                            peripheralUUID: param.peripheralUUID,
                                            serviceUUID: ret4,
                                            characteristicUUID: ret5,
                                            value: ret6
                                        }, function (ret7) {
                                            // console.log(JSON.stringify(ret7))
                                        });
                                    }
                                    // 计划-饲喂
                                    var feedErr = _planSum-_feedNum;
                                    if (isNaN(feedErr)) {
                                        return false
                                    }
                                    var count;
                                    if (_planSum >= 500) {
                                        count = 500
                                    } else {
                                        count = _planSum
                                    }
                                    var ration = feedErr / count;
                                    // console.log("ration" + ration.toFixed(2));
                                    if (ration > 0.2 ) {
                                        if (statusEle) {
                                            console.log(feedErr + ' ' + allow + ' ' + _feedNum + ' ' + _planSum);
                                            ledStatus = false;
                                            status = '';
                                            statusEle = false;
                                            console.log("停止蜂鸣");
                                            control("00", "00");
                                            setTimeout(function () {
                                                ledStatus = true;
                                            }, 500);
                                        }
                                    } else if (0.1 < ration && ration <= 0.2) {
                                        time = "05";
                                        if (!statusEle || lastTime !== time) {
                                            console.log(feedErr + ' ' + allow + ' ' + _feedNum + ' ' + _planSum);
                                            lastTime = time;
                                            ledStatus = false;
                                            status = '间隔';
                                            statusEle = true;
                                            console.log("开始蜂鸣" + time);
                                            control("60", time);
                                            setTimeout(function () {
                                                ledStatus = true;
                                            }, 500);
                                        }
                                    } else if (0.05 < ration && ration <= 0.1) {
                                        time = "03";
                                        if (!statusEle || lastTime !== time) {
                                            console.log(feedErr + ' ' + allow + ' ' + _feedNum + ' ' + _planSum);
                                            lastTime = time;
                                            ledStatus = false;
                                            status = '间隔';
                                            statusEle = true;
                                            console.log("开始蜂鸣" + time);
                                            control("60", time);
                                            setTimeout(function () {
                                                ledStatus = true;
                                            }, 500);
                                        }
                                    } else if (0.02 < ration && ration <= 0.05) {
                                        time = "01";
                                        if (!statusEle || lastTime !== time) {
                                            console.log(feedErr + ' ' + allow + ' ' + _feedNum + ' ' + _planSum);
                                            lastTime = time;
                                            ledStatus = false;
                                            status = '间隔';
                                            statusEle = true;
                                            console.log("开始蜂鸣" + time);
                                            control("60", time);
                                            setTimeout(function () {
                                                ledStatus = true;
                                            }, 500);
                                        }
                                    } else {
                                        if (status === '间隔' || status === '') {
                                            console.log(feedErr + ' ' + allow + ' ' + _feedNum + ' ' + _planSum);
                                            ledStatus = false;
                                            status = '长鸣';
                                            statusEle = true;
                                            console.log("开始长鸣");
                                            control("40", "02");
                                            setTimeout(function () {
                                                ledStatus = true;
                                            }, 500);

                                            setTimeout(function() {
                                                console.log("开始长鸣")
                                                control("40", "02");
                                                setTimeout(function() {
                                                    ledStatus = true;
                                                }, 500)
                                            }, 500)
                                        }
                                    }
                                    if (feedErr <= allow) {
                                        var filteredValue = weightDataFilter.filter(nowWeight);
                                        if (weightDataFilter.dataBuffer.length === 80) {
                                            console.log("重量稳定", currTimeFn(new Date()));
                                            weightDataFilter.dataBuffer = [];
                                            document.getElementById('submitData').click();
                                        }
                                    }
                                }
                            });
                        });
                    }

                }
            });
        } else {
            console.log("发现服务失败！");
        }
    });
}

function discoverCharacteristics(param, callback) {
    ble.discoverCharacteristics(param, function (ret) {
        var res = '';
        if (ret.characteristics.length > 0) {
            // console.log("发现特征成功！");
            ret.characteristics.forEach(function (s) {
                if (s.serviceUUID === param.serviceUUID) {
                    callback(s.uuid);
                }
            });
        } else {
            console.log("发现特征失败！");
            callback(res);
        }
    });
}

function setNotify(param, callback) {
    ble.setNotify(param, function (ret) {
        // console.log(JSON.stringify(ret))
        var value = ret.characteristic.value;
        if (ret && value.indexOf('ff01') !== -1) {
            var wei = value.substr(12, 12);
            wei = Math.round(Number(hex2a(wei)));
        }
        callback(wei);
    });
}

function writeValueForCharacteristic(param, callback) {
    if (param.value && connetcedStatus){
        ble.writeValueForCharacteristic(param, function (ret) {
            // console.log(JSON.stringify(ret));
            if (ret.status) {
                // console.log("发送成功");
            } else {
                console.log("发送失败："+param.value);
            }
            callback(ret);
        });
    }
}
var lastCmd = "";
var lastTime = new Date().getSeconds()*1000+ new Date().getMilliseconds();
var count = 0;
/*组装报文并发数*/
function getMess(param, callback) {
    var param1 = {
        SF: "AA A5 ",
        LEN: '1A 00 ',
        DES: 'FF FF ',
        SRC: '12 34 ',
        TID: 'B0 A1 ',
        CMD1: '38 02 ',
        X: '00 00 ',
        Y: '00 00 ',
        WIDTH: '40 00 ',
        HEIGHT: '20 00 ',
        FORMAT: '00 00 01 00 ',
        CNT: '04 00 ',
        CRC: '00 00 ',
        EF: '5A 55  ',
        msg: ''
    };
    var newmsg = feedName;
    var msglen = newmsg.getByteLen();
    var ttr = '';
    if (Number(_planSum - _feedNum) >= 0) {
        ttr = '少';
        echartsType = '少';
    } else {
        ttr = '多';
        echartsType = '多';
    }
    if (msglen < 8) {
        for (var i = 0; i < 8 - msglen; i++) {
            newmsg = newmsg + ' ';
        }
        newmsg = newmsg + ttr;
    } else {
        newmsg = feedName + ttr;
    }
    param1.msg = newmsg + Math.abs(Number(_planSum - _feedNum)).toFixed(0) + 'kg';
    // param1.msg = newmsg + Math.abs(Number(param.value)).toFixed(0) + 'kg'
    // console.log(param1.msg)

    zfk.getMsg(param1, function (ret, err) {
        var str = ret.sendMsg;
        str = str.replace(/\s+/g, "");
        var num = str.length / 2;
        param.value = "FF0500" + num.toString(16) + str;
        count ++;
        if (count >= 5){
            // msgList.push(param.value);
            msgLed = param.value;
            // var ms = strToHex(sbId,4)+strToHex(classCode,2)+strToHex(trainNumber,2)+strToHex(feedIndex,2)+strToHex(_planSum,4)+strToHex(_feedNum,4)+strToHex(nowWeight,4);
            // var num1 = ms.length / 2;
            // msgChan = "FF0a00"+strToHex(num1,2) + ms
            renderUnload();
            renderLoad();
            feedMyChart.setOption({
                dataset: {
                    source: [[1, _feedNum]]
                }
            });
            weightMyChart.setOption({
                dataset: {
                    source: [[1, nowWeight]]
                }
            });
            count = 0 ;
        }
    });
}

function strToHex(str,length){
    var hex = Number(str).toString(16);
    var append = '';
    if (hex.length < length){
        for (var i=0;i<length-hex.length;i++){
            append = append + '0';
        }
    }
    return append+hex;
}
function initWeight() {
    api.showProgress({
        title: '图表数据加装中...',
        modal: true
    });
    weightStatus = true;
    weightDataFilter = new WeightDataFilter(80, _weightSum);
    renderUnload();
    renderLoad();
    feedMyChart.setOption({
        dataset: {
            source: [[1, _feedNum]]
        }
    });
    weightMyChart.setOption({
        dataset: {
            source: [[1, nowWeight]]
        }
    });
    api.hideProgress();
    clearInterval(totalInterval);
    totalAjax = true;
    canUpload = true;
    totalList = [];
    totalInterval = setInterval(function () {
        totalWeightUpload();
    }, 3000);
    document.getElementById('startLoad').setAttribute("class", 'btnc mui-btn-success dis');
    document.getElementById('submitData').setAttribute("class", 'btnc mui-btn-success');
    document.getElementById('text').innerHTML = 'V' + api.appVersion;
    api.setGlobalData({key: 'startTime', value: currTimeFn(new Date())});
}