1933730 "idcode" command (by U.Bonnes)
git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1151 b68d4a1b-bc3d-0410-92ed-d4ac073336b7master
Kolja Waschk
17 years ago
parent
7f26d5814d
commit
b067b0d946
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/*
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* $Id: idcode.c 1102 2008-02-27 03:38:31Z jiez $
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*
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* Copyright (C) 2003 ETC s.r.o.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>, 2008.
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*
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*/
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#include "sysdep.h"
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#include <stdio.h>
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#include "jtag.h"
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#include "cmd.h"
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static int
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cmd_idcode_run( chain_t *chain, char *params[] )
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{
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unsigned int bytes=0;
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if (cmd_params( params ) == 1) {
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bytes = 0;
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}
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else if (cmd_params( params ) >2)
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return -1;
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else if (cmd_get_number( params[1], &bytes ))
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return -1;
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printf( _("Reading %d bytes if idcode\n"), bytes );
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idcode( chain , bytes);
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return 1;
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}
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static void
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cmd_idcode_help( void )
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{
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printf( _(
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"Usage: %s [BYTES]\n"
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"Read [BYTES]|all IDCODEs of all parts in a JTAG chain.\n"
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"\n"
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"BYTES must be an unsigned integer, Use 0 for BYTES to read all bytes\n"
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), "idcode" );
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}
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cmd_t cmd_idcode = {
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"idcode",
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N_("Read IDCODEs of all parts in a JTAG chain"),
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cmd_idcode_help,
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cmd_idcode_run
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};
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@ -0,0 +1,80 @@
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/*
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* $Id: idcode.c 1120 2008-03-15 02:27:13Z jiez $
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*
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* Copyright (C) 2003 ETC s.r.o.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>, 2008.
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*
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*/
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#include "sysdep.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "cable.h"
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#include "tap.h"
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#include "chain.h"
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#include "jtag.h"
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void
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idcode( chain_t *chain , unsigned int bytes)
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{
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int i;
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int hit = 0;
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tap_register *rz;
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tap_register *rout;
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tap_register *rnull;
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chain_set_trst( chain, 0 );
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chain_set_trst( chain, 1 );
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tap_reset( chain );
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tap_capture_dr( chain );
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/* read in chunks of 8 bytes */
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rz = register_fill( register_alloc( 8 ), 0);
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rnull = register_fill( register_alloc( 8 ), 0 );
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rout = register_alloc( 8 );
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if (!rz || !rout || !rnull)
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{
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printf(_("Allocation failed\n"));
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}
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printf(_("Read"));
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for (i=0; i<((bytes)?bytes:1000); i++)
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{
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tap_shift_register( chain, rz, rout, 0 );
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printf(_(" %s"), register_get_string(rout));
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if (!bytes)
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{
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/* Abort Reading when a null IDCODE has been read */
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if (!register_compare(rout, rnull))
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hit++;
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else
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hit = 0;
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if (hit >3)
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break;
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}
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}
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register_free( rz );
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register_free( rnull );
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register_free( rout );
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printf(_("\n"));
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}
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