Commit | Line | Data |
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c6c8fea2 | 1 | /* |
64afe353 | 2 | * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
18 | * 02110-1301, USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include "main.h" | |
23 | #include "ring_buffer.h" | |
24 | ||
25 | void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value) | |
26 | { | |
27 | lq_recv[*lq_index] = value; | |
28 | *lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE; | |
29 | } | |
30 | ||
747e4221 | 31 | uint8_t ring_buffer_avg(const uint8_t lq_recv[]) |
c6c8fea2 | 32 | { |
747e4221 | 33 | const uint8_t *ptr; |
c6c8fea2 SE |
34 | uint16_t count = 0, i = 0, sum = 0; |
35 | ||
36 | ptr = lq_recv; | |
37 | ||
38 | while (i < TQ_GLOBAL_WINDOW_SIZE) { | |
39 | if (*ptr != 0) { | |
40 | count++; | |
41 | sum += *ptr; | |
42 | } | |
43 | ||
44 | i++; | |
45 | ptr++; | |
46 | } | |
47 | ||
48 | if (count == 0) | |
49 | return 0; | |
50 | ||
51 | return (uint8_t)(sum / count); | |
52 | } |