73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2011 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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/* This file provides generic forms of the low-level jtagtap functions
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* for platforms that don't require optimised forms.
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*/
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#ifdef PROVIDE_GENERIC_JTAGTAP_TMS_SEQ
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void
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jtagtap_tms_seq(uint32_t MS, int ticks)
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{
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while(ticks--) {
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jtagtap_next(MS & 1, 1);
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MS >>= 1;
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}
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}
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#endif
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#ifdef PROVIDE_GENERIC_JTAGTAP_TDI_TDO_SEQ
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void
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jtagtap_tdi_tdo_seq(uint8_t *DO, const uint8_t final_tms, const uint8_t *DI, int ticks)
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{
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uint8_t index = 1;
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while(ticks--) {
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if(jtagtap_next(ticks?0:final_tms, *DI & index)) {
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*DO |= index;
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} else {
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*DO &= ~index;
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}
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if(!(index <<= 1)) {
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index = 1;
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DI++; DO++;
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}
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}
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}
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#endif
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#ifdef PROVIDE_GENERIC_JTAGTAP_TDI_SEQ
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void
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jtagtap_tdi_seq(const uint8_t final_tms, const uint8_t *DI, int ticks)
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{
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uint8_t index = 1;
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while(ticks--) {
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jtagtap_next(ticks?0:final_tms, *DI & index);
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if(!(index <<= 1)) {
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index = 1;
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DI++;
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}
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}
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}
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#endif
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