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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 2002 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 Marcel Telka <marcel@telka.sk>, 2002.
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*
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*/
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#ifndef STATE_H
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#define STATE_H
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#define bit(b) (1 << (b))
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#define TAPSTAT_DR bit(0)
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#define TAPSTAT_IR bit(1)
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#define TAPSTAT_SHIFT bit(2) /* register shift with TMS = 0 */
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#define TAPSTAT_IDLE bit(3) /* to Run-Test/Idle with TMS = 0 */
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#define TAPSTAT_CAPTURE bit(4) /* Capture state */
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#define TAPSTAT_UPDATE bit(5) /* to Update with TMS = 1 */
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#define TAPSTAT_PAUSE bit(6) /* to Pause with TMS = 0 */
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#define TAPSTAT_RESET bit(7) /* Test-Logic-Reset or unknown state */
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#define Unknown_State (TAPSTAT_RESET)
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#define Test_Logic_Reset (TAPSTAT_RESET | TAPSTAT_IDLE)
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#define Run_Test_Idle (TAPSTAT_IDLE)
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#define Select_DR_Scan (TAPSTAT_DR)
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#define Capture_DR (TAPSTAT_DR | TAPSTAT_SHIFT | TAPSTAT_CAPTURE)
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#define Shift_DR (TAPSTAT_DR | TAPSTAT_SHIFT)
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#define Exit1_DR (TAPSTAT_DR | TAPSTAT_UPDATE | TAPSTAT_PAUSE)
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#define Pause_DR (TAPSTAT_DR | TAPSTAT_PAUSE)
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#define Exit2_DR (TAPSTAT_DR | TAPSTAT_SHIFT | TAPSTAT_UPDATE)
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#define Update_DR (TAPSTAT_DR | TAPSTAT_IDLE)
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#define Select_IR_Scan (TAPSTAT_IR)
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#define Capture_IR (TAPSTAT_IR | TAPSTAT_SHIFT | TAPSTAT_CAPTURE)
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#define Shift_IR (TAPSTAT_IR | TAPSTAT_SHIFT)
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#define Exit1_IR (TAPSTAT_IR | TAPSTAT_UPDATE | TAPSTAT_PAUSE)
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#define Pause_IR (TAPSTAT_IR | TAPSTAT_PAUSE)
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#define Exit2_IR (TAPSTAT_IR | TAPSTAT_SHIFT | TAPSTAT_UPDATE)
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#define Update_IR (TAPSTAT_IR | TAPSTAT_IDLE)
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int tap_state( void );
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int tap_state_init( void );
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int tap_state_done( void );
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int tap_state_reset( void );
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int tap_state_set_trst( int trst );
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int tap_state_get_trst( void );
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int tap_state_clock( int tms );
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#endif /* STATE_H */
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