nb-local/tuoren-pump-chemo-runtime/scripts/test/stick.js

/*
* 粘包处理
*/
function stick(rawData){
    rawData = ConvertToUint8Array(rawData);
    var obj = {
        valid: '',
        surplus: ''
    };
    var start = -1;
    for(var i = 0; i < rawData.length; i++){
        if(rawData[i] == 0xFE && rawData.length > 1){
            start = i;
            break;
        }
    }
    if(start == -1){
        obj.valid = ArrayToHexString(ConvertToUint8Array(rawData));
    }else if (start > 0) {
        obj.valid = ArrayToHexString(ConvertToUint8Array(rawData, 0, start));
        obj.surplus = ArrayToHexString(ConvertToUint8Array(rawData, start, rawData.length));
    }else if(rawData[1] + 5 == rawData.length){
        obj.valid = ArrayToHexString(ConvertToUint8Array(rawData, 0, rawData[1] + 5));
    }else if(rawData[1] + 5 < rawData.length){
        obj.valid = ArrayToHexString(ConvertToUint8Array(rawData, 0, rawData[1] + 5));
        obj.surplus = ArrayToHexString(ConvertToUint8Array(rawData, rawData[1] + 5, rawData.length));
    }else if(rawData[1] + 5 > rawData.length){
        obj.surplus = ArrayToHexString(ConvertToUint8Array(rawData, 0, rawData.length));
    }
    var json = JSON.stringify(obj);
    return json;
}