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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef DEVICE_USB_USB_DESCRIPTORS_H_
#define DEVICE_USB_USB_DESCRIPTORS_H_
#include <stdint.h>
#include <vector>
namespace device {
enum UsbTransferType {
USB_TRANSFER_CONTROL = 0,
USB_TRANSFER_ISOCHRONOUS,
USB_TRANSFER_BULK,
USB_TRANSFER_INTERRUPT,
};
enum UsbEndpointDirection {
USB_DIRECTION_INBOUND = 0,
USB_DIRECTION_OUTBOUND,
};
enum UsbSynchronizationType {
USB_SYNCHRONIZATION_NONE = 0,
USB_SYNCHRONIZATION_ASYNCHRONOUS,
USB_SYNCHRONIZATION_ADAPTIVE,
USB_SYNCHRONIZATION_SYNCHRONOUS,
};
enum UsbUsageType {
USB_USAGE_DATA = 0,
USB_USAGE_FEEDBACK,
USB_USAGE_EXPLICIT_FEEDBACK
};
struct UsbEndpointDescriptor {
UsbEndpointDescriptor();
~UsbEndpointDescriptor();
uint8_t address;
UsbEndpointDirection direction;
uint16_t maximum_packet_size;
UsbSynchronizationType synchronization_type;
UsbTransferType transfer_type;
UsbUsageType usage_type;
uint16_t polling_interval;
std::vector<uint8_t> extra_data;
};
struct UsbInterfaceDescriptor {
UsbInterfaceDescriptor();
~UsbInterfaceDescriptor();
uint8_t interface_number;
uint8_t alternate_setting;
uint8_t interface_class;
uint8_t interface_subclass;
uint8_t interface_protocol;
std::vector<UsbEndpointDescriptor> endpoints;
std::vector<uint8_t> extra_data;
};
struct UsbConfigDescriptor {
UsbConfigDescriptor();
~UsbConfigDescriptor();
uint8_t configuration_value;
bool self_powered;
bool remote_wakeup;
uint16_t maximum_power;
std::vector<UsbInterfaceDescriptor> interfaces;
std::vector<uint8_t> extra_data;
};
} // namespace device
#endif // DEVICE_USB_USB_DESCRIPTORS_H_
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