53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner
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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 version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*
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*/
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#include "main.h"
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#include "ring_buffer.h"
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void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value)
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{
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lq_recv[*lq_index] = value;
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*lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE;
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}
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uint8_t ring_buffer_avg(const uint8_t lq_recv[])
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{
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const uint8_t *ptr;
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uint16_t count = 0, i = 0, sum = 0;
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ptr = lq_recv;
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while (i < TQ_GLOBAL_WINDOW_SIZE) {
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if (*ptr != 0) {
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count++;
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sum += *ptr;
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}
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i++;
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ptr++;
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}
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if (count == 0)
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return 0;
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return (uint8_t)(sum / count);
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}
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