1 /* 2 * Copyright (c) 2021 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 16 #ifndef USB_DESCRIPTOR_PARSER_H 17 #define USB_DESCRIPTOR_PARSER_H 18 #include "usb_device.h" 19 #include "usb_interface.h" 20 namespace OHOS { 21 namespace USB { 22 class UsbDescriptorParser { 23 public: 24 UsbDescriptorParser(); 25 ~UsbDescriptorParser(); 26 27 static int32_t ParseDeviceDescriptor(const uint8_t *buffer, uint32_t length, UsbDevice &dev); 28 static int32_t ParseConfigDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor, USBConfig &config); 29 static int32_t ParseInterfaceDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor, 30 UsbInterface &interface); 31 static int32_t ParseEndpointDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor, USBEndpoint &ep); 32 }; 33 } // namespace USB 34 } // namespace OHOS 35 #endif 36