uhd

/*

 * USRP - Universal Software Radio Peripheral

 *

 * Copyright (C) 2003 Free Software Foundation, Inc.

 *

 * 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 3 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., 51 Franklin Street, Boston, MA  02110-1301  USA

 */

#include "usrp_common.h"

// These are the tables generated by the Cypress GPIF Designer

extern const char WaveData[128];

extern const char FlowStates[36];

extern const char InitData[7];

// The tool is kind of screwed up, in that it doesn't configure some

// of the ports correctly.  We just use their tables and handle the

// initialization ourselves.  They also declare that their static

// initialized data is in xdata, which screws us too.

void

init_gpif (void)

{

  // we've already setup IFCONFIG before calling this...

  GPIFABORT = 0xFF;  // abort any waveforms pending

  SYNCDELAY;

  GPIFREADYCFG = InitData[ 0 ];

  GPIFCTLCFG = InitData[ 1 ];

  GPIFIDLECS = InitData[ 2 ];

  GPIFIDLECTL = InitData[ 3 ];

  // Hmmm, what's InitData[ 4 ] ...

  GPIFWFSELECT = InitData[ 5 ];

  // GPIFREADYSTAT = InitData[ 6 ];        // I think this register is read only...

  {

    BYTE i;

    for (i = 0; i < 128; i++){

      GPIF_WAVE_DATA[i] = WaveData[i];

    }

  }

  FLOWSTATE = 0;                /* ensure it's off */

}