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#ifndef QRK_CONNECTION_H
#define QRK_CONNECTION_H
/*!
\file
\brief ʐMC^[tF[X
\author Satofumi KAMIMURA
$Id: Connection.h 1302 2009-09-15 21:51:30Z satofumi $
*/
#include <cstddef>
namespace qrk
{
enum {
ReceiveTimeout = -1,
ErrorLastIndex = -2,
};
/*!
\brief ʐMC^[tF[X
*/
class Connection
{
public:
virtual ~Connection(void) {}
/*!
\brief ԂԂ
\return Ԃ
*/
virtual const char* what(void) const = 0;
/*!
\brief foCXւ̐ڑ
\param[in] device ڑfoCX
\param[in] baudrate ڑ{[[g
\retval true
\retval false s
*/
virtual bool connect(const char* device, long baudrate) = 0;
/*!
\brief ؒf
*/
virtual void disconnect(void) = 0;
/*!
\brief {[[g̕ύX
\param[in] baudrate {[[g
\retval 0
\retval < 0 G[
*/
virtual bool setBaudrate(long baudrate) = 0;
/*!
\brief {[[gԂ
\retval {[[g
\attention SerialDevice ł̂ݗL
*/
virtual long baudrate(void) const = 0;
/*!
\brief ڑԂԂ
\retval true ڑ
\retval false ؒf
*/
virtual bool isConnected(void) const = 0;
/*!
\brief M
\param[in] data Mf[^
\param[in] count MoCg
\return MoCg
*/
virtual int send(const char* data, size_t count) = 0;
/*!
\brief M
\param[out] data Mpobt@
\param[in] count Mobt@̍őTCY
\param[in] timeout ^CAEg [msec]
*/
virtual int receive(char* data, size_t count, int timeout) = 0;
/*!
\brief Mς݃f[^̃oCgԂ
\return Mς݃f[^̃oCg
*/
virtual size_t size(void) const = 0;
/*!
\brief obt@̓eIɏo͂
*/
virtual void flush(void) = 0;
/*!
\brief Mf[^̃NA
Mobt@AMς݃f[^NA
*/
virtual void clear(void) = 0;
/*!
\brief P߂
\param[in] ch ߂
*/
virtual void ungetc(const char ch) = 0;
};
}
#endif /* !QRK_CONNECTION_H */
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