mirror of https://github.com/rusefi/bldc.git
80 lines
1.7 KiB
C
80 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) 2016 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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#include "general.h"
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#include "swdptap.h"
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uint32_t __attribute__((weak))
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swdptap_seq_in(int ticks)
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{
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uint32_t index = 1;
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uint32_t ret = 0;
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while (ticks--) {
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if (swdptap_bit_in())
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ret |= index;
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index <<= 1;
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}
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return ret;
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}
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bool __attribute__((weak))
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swdptap_seq_in_parity(uint32_t *ret, int ticks)
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{
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uint32_t index = 1;
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uint8_t parity = 0;
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*ret = 0;
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while (ticks--) {
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if (swdptap_bit_in()) {
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*ret |= index;
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parity ^= 1;
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}
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index <<= 1;
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}
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if (swdptap_bit_in())
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parity ^= 1;
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return parity;
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}
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void __attribute__((weak))
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swdptap_seq_out(uint32_t MS, int ticks)
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{
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while (ticks--) {
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swdptap_bit_out(MS & 1);
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MS >>= 1;
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}
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}
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void __attribute__((weak))
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swdptap_seq_out_parity(uint32_t MS, int ticks)
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{
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uint8_t parity = 0;
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while (ticks--) {
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swdptap_bit_out(MS & 1);
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parity ^= MS;
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MS >>= 1;
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}
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swdptap_bit_out(parity & 1);
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}
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