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/*
* Haiku Backend for libusb
* Copyright © 2014 Akshay Jaggi <akshay1994.leo@gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <List.h>
#include <Locker.h>
#include <Autolock.h>
#include <USBKit.h>
#include <map>
#include "libusbi.h"
#include "haiku_usb_raw.h"
using namespace std;
class USBDevice;
class USBDeviceHandle;
class USBTransfer;
class USBDevice {
public:
USBDevice(const char *);
virtual ~USBDevice();
const char* Location() const;
uint8 CountConfigurations() const;
const usb_device_descriptor* Descriptor() const;
const usb_configuration_descriptor* ConfigurationDescriptor(uint32) const;
const usb_configuration_descriptor* ActiveConfiguration() const;
uint8 EndpointToIndex(uint8) const;
uint8 EndpointToInterface(uint8) const;
int ClaimInterface(int);
int ReleaseInterface(int);
int CheckInterfacesFree(int);
int SetActiveConfiguration(int);
int ActiveConfigurationIndex() const;
bool InitCheck();
private:
int Initialise();
unsigned int fClaimedInterfaces; // Max Interfaces can be 32. Using a bitmask
usb_device_descriptor fDeviceDescriptor;
unsigned char** fConfigurationDescriptors;
int fActiveConfiguration;
char* fPath;
map<uint8,uint8> fConfigToIndex;
map<uint8,uint8>* fEndpointToIndex;
map<uint8,uint8>* fEndpointToInterface;
bool fInitCheck;
};
class USBDeviceHandle {
public:
USBDeviceHandle(USBDevice *dev);
virtual ~USBDeviceHandle();
int ClaimInterface(int);
int ReleaseInterface(int);
int SetConfiguration(int);
int SetAltSetting(int, int);
status_t SubmitTransfer(struct usbi_transfer *);
status_t CancelTransfer(USBTransfer *);
bool InitCheck();
private:
int fRawFD;
static status_t TransfersThread(void *);
void TransfersWorker();
USBDevice* fUSBDevice;
unsigned int fClaimedInterfaces;
BList fTransfers;
BLocker fTransfersLock;
sem_id fTransfersSem;
thread_id fTransfersThread;
bool fInitCheck;
};
class USBTransfer {
public:
USBTransfer(struct usbi_transfer *, USBDevice *);
virtual ~USBTransfer();
void Do(int);
struct usbi_transfer* UsbiTransfer();
void SetCancelled();
bool IsCancelled();
private:
struct usbi_transfer* fUsbiTransfer;
struct libusb_transfer* fLibusbTransfer;
USBDevice* fUSBDevice;
BLocker fStatusLock;
bool fCancelled;
};
class USBRoster {
public:
USBRoster();
virtual ~USBRoster();
int Start();
void Stop();
private:
void* fLooper;
};
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