1/* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import {BaseBean} from "./BaseBean.js"; 17 18export class USBHead extends Object implements BaseBean { 19 private _flag: number[];// uint8_t 'flag', ct.c_uint8 * 2 flag[2] 2 20 private _option: number; // uint8_t 1 21 private _sessionId: number; // uint32_t 4 22 private _dataSize: number; // uint32_t 4 23 24 constructor(flag: number[], option: number, sessionId: number, dataSize: number) { 25 super(); 26 this._flag = flag; 27 this._option = option; 28 this._sessionId = sessionId; 29 this._dataSize = dataSize; 30 } 31 static getFlag0Length() { 32 return 1; 33 } 34 35 static getFlag1Length() { 36 return 1; 37 } 38 39 static getOptionLength() { 40 return 1; 41 } 42 43 static getSessionIdLength() { 44 return 4; 45 } 46 47 static getDataSizeLength() { 48 return 4; 49 } 50 51 static getUSBHeadLength() { 52 return 11; 53 } 54 55 getDataView(): DataView { 56 let dataView = new DataView(new ArrayBuffer(11)); 57 dataView.setUint8(0, this._flag[0]); 58 dataView.setUint8(1, this._flag[1]); 59 dataView.setUint8(2, this._option); 60 dataView.setUint32(3, this._sessionId); 61 dataView.setUint32(7, this._dataSize); 62 return dataView; 63 } 64 65 static parseHeadData(data: DataView): USBHead { 66 let flagZero = data.getUint8(0); 67 let flagOne = data.getUint8(1); 68 let option = data.getUint8(2); 69 let sessionId = data.getUint32(3); 70 let dataSize = data.getUint32(7); 71 return new USBHead([flagZero, flagOne], option, sessionId, dataSize); 72 } 73 74 75 get flag(): number[] { 76 return this._flag; 77 } 78 79 set flag(value: number[]) { 80 this._flag = value; 81 } 82 83 get option(): number { 84 return this._option; 85 } 86 87 set option(value: number) { 88 this._option = value; 89 } 90 91 get sessionId(): number { 92 return this._sessionId; 93 } 94 95 set sessionId(value: number) { 96 this._sessionId = value; 97 } 98 99 get dataSize(): number { 100 return this._dataSize; 101 } 102 103 set dataSize(value: number) { 104 this._dataSize = value; 105 } 106 107 toString(): string { 108 return "flag: " + this._flag 109 + " option: " + this._option 110 + " sessionId: " + this._sessionId 111 + " dataSize: " + this._dataSize; 112 } 113} 114