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ezusb_jtag.h

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/*
 * This file is part of Jelie,
 * (c) 2002 Julien Pilet <julien.pilet@epfl.ch> and
 * Stephane Magnenat <stephane.magnenat@epfl.ch>
 *
 * Jelie 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.
 *
 * Jelie 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 Foobar; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __EZUSB_JTAG_H
#define __EZUSB_JTAG_H

#include "ezusb_loader.h"
#include "jtag.h"


class EzUSBJTAG: public EzUSB, public JTAGControl
{
protected:
        void writeAndReadBuffer(unsigned char *buffer, int toWrite, int toRead, unsigned long delay=0);

        unsigned char queue[64];

        int queuePos;

public:
        EzUSBJTAG();

        virtual ~EzUSBJTAG();

        // \return true on success, false on error.
        virtual bool init(int argc, char **argv);

        virtual void ireg(unsigned char *data);

        //
        // \param data a pointer to a buffer which will be exchanged with the
        // JTAG data register.
        // \param length number of bits to read/write.
        virtual void dreg(unsigned char *data, unsigned char length, bool writeOnly=false);

        virtual void jtagReset(void);

        virtual void cpuReset(bool state);

        virtual void trst(bool state);

        virtual void idle(unsigned int nbTCK);

        virtual void flushQueue(void);

        virtual const char *getName(void) const { return "ezusb"; }
};

#endif

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