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/* JTAG GNU/Linux parport device io
Copyright (C) 2004 Andrew Rogers
Additions (C) 2005-2011 Uwe Bonnes
bon@elektron.ikp.physik.tu-darmstadt.de
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Changes:
Dmitry Teytelman [dimtey@gmail.com] 14 Jun 2006 [applied 13 Aug 2006]:
Code cleanup for clean -Wall compile.
Changes to support new IOBase interface.
*/
#ifndef IOPARPORT_H
#define IOPARPORT_H
#include "iobase.h"
#if defined (__WIN32__)
# include <windows.h>
# if !defined(HANDLE)
# define HANDLE void*
# endif
# define FD_HANDLE HANDLE
#else
# define FD_HANDLE int
#endif
class IOParport : public IOBase
{
protected:
FD_HANDLE fd;
int total, cabletype, debug;
unsigned char def_byte, tdi_value, tms_value, tck_value, tdo_mask, tdo_inv;
int write_data(FD_HANDLE fd, unsigned char data);
int write_control(FD_HANDLE fd, unsigned char control);
int read_control(FD_HANDLE fd, unsigned char *control);
int read_status(FD_HANDLE fd, unsigned char *status);
public:
IOParport();
int Init(struct cable_t *cable, const char *dev, unsigned int freq);
~IOParport();
void tx(bool tms, bool tdi);
bool txrx(bool tms, bool tdi);
void tx_tdi_byte(unsigned char tdi_byte);
void tx_tms(unsigned char *pat, int length, int force);
public:
void txrx_block(const unsigned char *tdi, unsigned char *tdo, int length, bool last);
private:
void delay(int del);
int detectcable(void);
};
#endif // IOPARPORT_H
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