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/* sane - Scanner Access Now Easy.
Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
This file is part of the SANE package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef BACKEND_GENESYS_USB_DEVICE_H
#define BACKEND_GENESYS_USB_DEVICE_H
#include "error.h"
#include "../include/sane/sanei_usb.h"
#include <cstdint>
#include <string>
namespace genesys {
class IUsbDevice {
public:
IUsbDevice() = default;
IUsbDevice(const IUsbDevice& other) = delete;
IUsbDevice& operator=(const IUsbDevice&) = delete;
virtual ~IUsbDevice();
virtual bool is_open() const = 0;
virtual const std::string& name() const = 0;
virtual void open(const char* dev_name) = 0;
virtual void clear_halt() = 0;
virtual void reset() = 0;
virtual void close() = 0;
virtual std::uint16_t get_vendor_id() = 0;
virtual std::uint16_t get_product_id() = 0;
virtual std::uint16_t get_bcd_device() = 0;
virtual void control_msg(int rtype, int reg, int value, int index, int length,
std::uint8_t* data) = 0;
virtual void bulk_read(std::uint8_t* buffer, std::size_t* size) = 0;
virtual void bulk_write(const std::uint8_t* buffer, std::size_t* size) = 0;
};
class UsbDevice : public IUsbDevice {
public:
UsbDevice() = default;
~UsbDevice() override;
bool is_open() const override { return is_open_; }
const std::string& name() const override { return name_; }
void open(const char* dev_name) override;
void clear_halt() override;
void reset() override;
void close() override;
std::uint16_t get_vendor_id() override;
std::uint16_t get_product_id() override;
std::uint16_t get_bcd_device() override;
void control_msg(int rtype, int reg, int value, int index, int length,
std::uint8_t* data) override;
void bulk_read(std::uint8_t* buffer, std::size_t* size) override;
void bulk_write(const std::uint8_t* buffer, std::size_t* size) override;
private:
void assert_is_open() const;
void set_not_open();
std::string name_;
bool is_open_ = false;
int device_num_ = 0;
};
} // namespace genesys
#endif // BACKEND_GENESYS_USB_DEVICE_H
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