USBDevice_Types.h

/*
 * Copyright (c) 2018-2019, Arm Limited and affiliates.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef USBDEVICE_TYPES_H
#define USBDEVICE_TYPES_H
 
/* Standard requests */
#define GET_STATUS        (0)
#define CLEAR_FEATURE     (1)
#define SET_FEATURE       (3)
#define SET_ADDRESS       (5)
#define GET_DESCRIPTOR    (6)
#define SET_DESCRIPTOR    (7)
#define GET_CONFIGURATION (8)
#define SET_CONFIGURATION (9)
#define GET_INTERFACE     (10)
#define SET_INTERFACE     (11)
 
/* bmRequestType.dataTransferDirection */
#define HOST_TO_DEVICE (0)
#define DEVICE_TO_HOST (1)
 
/* bmRequestType.Type*/
#define STANDARD_TYPE  (0)
#define CLASS_TYPE     (1)
#define VENDOR_TYPE    (2)
#define RESERVED_TYPE  (3)
 
/* bmRequestType.Recipient */
#define DEVICE_RECIPIENT    (0)
#define INTERFACE_RECIPIENT (1)
#define ENDPOINT_RECIPIENT  (2)
#define OTHER_RECIPIENT     (3)
 
/* Descriptors */
#define DESCRIPTOR_TYPE(wValue)  (wValue >> 8)
#define DESCRIPTOR_INDEX(wValue) (wValue & 0xff)
 
#endif