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#ifndef DEVICE_H
#define DEVICE_H
#include <chrono>
#include <hidapi/hidapi.h>
#include "inttypes.h"
#define HID_REPORT_SIZE 65
// TODO !! SEMAPHORE
namespace nitrokey {
namespace device {
using namespace std::chrono_literals;
struct EnumClassHash
{
template <typename T>
std::size_t operator()(T t) const
{
return static_cast<std::size_t>(t);
}
};
enum class DeviceModel{
PRO,
STORAGE
};
class Device {
public:
Device();
virtual ~Device(){disconnect();}
// lack of device is not actually an error,
// so it doesn't throw
virtual bool connect();
virtual bool disconnect();
/*
* Sends packet of HID_REPORT_SIZE.
*/
virtual int send(const void *packet);
/*
* Gets packet of HID_REPORT_SIZE.
* Can sleep. See below.
*/
virtual int recv(void *packet);
int get_retry_receiving_count() const { return m_retry_receiving_count; };
int get_retry_sending_count() const { return m_retry_sending_count; };
std::chrono::milliseconds get_retry_timeout() const { return m_retry_timeout; };
std::chrono::milliseconds get_send_receive_delay() const {return m_send_receive_delay;}
int get_last_command_status() {auto a = last_command_status; last_command_status = 0; return a;};
void set_last_command_status(uint8_t _err) { last_command_status = _err;} ;
bool last_command_sucessfull() const {return last_command_status == 0;};
DeviceModel get_device_model() const {return m_model;}
private:
uint8_t last_command_status;
protected:
uint16_t m_vid;
uint16_t m_pid;
DeviceModel m_model;
/*
* While the project uses Signal11 portable HIDAPI
* library, there's no way of doing it asynchronously,
* hence polling.
*/
int m_retry_sending_count;
int m_retry_receiving_count;
std::chrono::milliseconds m_retry_timeout;
std::chrono::milliseconds m_send_receive_delay;
hid_device *mp_devhandle;
};
class Stick10 : public Device {
public:
Stick10();
};
class Stick20 : public Device {
public:
Stick20();
};
}
}
#endif
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