1 /* 2 * Copyright (c) 2025 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_SERIAL_OS_ADAPTER_H 17 #define USB_SERIAL_OS_ADAPTER_H 18 19 #include <stdint.h> 20 #include "v1_0/iusb_serial_ddk.h" 21 #include "usb_serial_ddk_service.h" 22 namespace OHOS { 23 namespace HDI { 24 namespace Usb { 25 namespace UsbSerialDdk { 26 namespace V1_0 { 27 28 class UsbSerialOsAdapter { 29 public: 30 virtual int32_t SetBaudRate(int32_t fd, uint32_t baudRate) = 0; 31 virtual int32_t SetParams(int32_t fd, const UsbSerialParams ¶ms) = 0; 32 virtual int32_t SetTimeout(int32_t fd, int32_t timeout) = 0; 33 virtual int32_t SetFlowControl(int32_t fd, int32_t flowControl) = 0; 34 virtual bool IsDeviceDisconnect(int32_t fd) = 0; 35 virtual int32_t Flush(int32_t fd) = 0; 36 virtual int32_t FlushInput(int32_t fd) = 0; 37 virtual int32_t FlushOutput(int32_t fd) = 0; 38 }; 39 40 } // namespace V1_0 41 } // namespace UsbSerialDdk 42 } // namespace Usb 43 } // namespace HDI 44 } // namespace OHOS 45 #endif 46