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/*
This file is part of Android File Transfer For Linux.
Copyright (C) 2015-2020 Vladimir Menshakov
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AFTL_MTP_USB_REQUEST_H
#define AFTL_MTP_USB_REQUEST_H
#include <mtp/types.h>
#include <mtp/ByteArray.h>
namespace mtp { namespace usb
{
class Device;
DECLARE_PTR(Device);
enum struct RequestType : u8
{
HostToDevice = 0x00,
DeviceToHost = 0x80,
Standard = 0x00,
Class = 0x20,
Vendor = 0x40,
Device = 0x00,
Interface = 0x01,
Endpoint = 0x02,
Other = 0x03
};
constexpr RequestType operator | (RequestType r1, RequestType r2)
{ return static_cast<RequestType>(static_cast<u8>(r1) | static_cast<u8>(r2)); };
class BaseRequest //! Base USB Standard Request
{
public:
static const int DefaultTimeout = 1000;
BaseRequest(const DevicePtr & device, int timeout = DefaultTimeout);
~BaseRequest();
protected:
DevicePtr _device;
int _timeout;
};
enum struct DescriptorType : u8
{
Device = 1,
Configuration = 2,
String = 3,
Interface = 4,
Endpoint = 5,
DeviceQualifier = 6,
OtherSpeedConfiguration = 7,
InterfacePower = 8,
OnTheGo = 9
};
struct DeviceRequest : BaseRequest //! USB Standard Request for Device
{
using BaseRequest::BaseRequest;
enum struct Type : u8
{
DeviceOut = static_cast<u8>(RequestType::HostToDevice | RequestType::Standard | RequestType::Device),
DeviceIn = static_cast<u8>(RequestType::DeviceToHost | RequestType::Standard | RequestType::Device)
};
enum struct Request : u8
{
GetStatus = 0,
ClearFeature = 1,
SetFeature = 3,
SetAddress = 5,
GetDescriptor = 6,
SetDescriptor = 7,
GetConfiguration = 8,
SetConfiguration = 9,
GetOSStringDescriptor = 0xee
};
u16 GetStatus();
void ClearFeature(u16 feature);
void SetFeature(u16 feature);
void SetAddress(u16 address);
ByteArray GetDescriptor(DescriptorType type, u8 index, u16 lang = 0);
void SetDescriptor(DescriptorType type, u8 index, u16 lang, const ByteArray &data);
u8 GetConfiguration();
void SetConfiguration(u8 index);
};
class InterfaceRequest : public BaseRequest //! USB Standard Request for Interface
{
u16 _interface;
public:
enum struct Type : u8
{
InterfaceOut = static_cast<u8>(RequestType::HostToDevice | RequestType::Standard | RequestType::Interface),
InterfaceIn = static_cast<u8>(RequestType::DeviceToHost | RequestType::Standard | RequestType::Interface)
};
enum struct Request : u8
{
GetStatus = 0,
ClearFeature = 1,
SetFeature = 3,
GetInterface = 10,
SetInterface = 17
};
InterfaceRequest(const DevicePtr & device, u16 interface, int timeout = DefaultTimeout);
u16 GetStatus();
void ClearFeature(u16 feature);
void SetFeature(u16 feature);
u8 GetInterface();
void SetInterface(u8 alt);
};
class EndpointRequest : public BaseRequest //! USB Standard Request for Endpoint
{
u16 _endpoint;
public:
enum struct Type : u8
{
EnpointOut = static_cast<u8>(RequestType::HostToDevice | RequestType::Standard | RequestType::Endpoint),
EnpointIn = static_cast<u8>(RequestType::DeviceToHost | RequestType::Standard | RequestType::Endpoint)
};
enum struct Request : u8
{
GetStatus = 0,
ClearFeature = 1,
SetFeature = 3,
SynchFrame = 18
};
EndpointRequest(const DevicePtr & device, u16 endpoint, int timeout = DefaultTimeout);
u16 GetStatus();
void ClearFeature(u16 feature);
void SetFeature(u16 feature);
void SynchFrame(u16 frameIndex);
};
}}
#endif
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