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 get flag(): number[] { 75 return this._flag; 76 } 77 78 set flag(value: number[]) { 79 this._flag = value; 80 } 81 82 get option(): number { 83 return this._option; 84 } 85 86 set option(value: number) { 87 this._option = value; 88 } 89 90 get sessionId(): number { 91 return this._sessionId; 92 } 93 94 set sessionId(value: number) { 95 this._sessionId = value; 96 } 97 98 get dataSize(): number { 99 return this._dataSize; 100 } 101 102 set dataSize(value: number) { 103 this._dataSize = value; 104 } 105 106 toString(): string { 107 return ( 108 'flag: ' + 109 this._flag + 110 ' option: ' + 111 this._option + 112 ' sessionId: ' + 113 this._sessionId + 114 ' dataSize: ' + 115 this._dataSize 116 ); 117 } 118} 119