libam7xxx 0.1
Communication library for Actions Micro AM7XXX based USB projectors and DPFs
serialize.c
1/* am7xxx - communication with AM7xxx based USB Pico Projectors and DPFs
2 *
3 * Copyright (C) 2012-2014 Antonio Ospite <ao2@ao2.it>
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU 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, see <http://www.gnu.org/licenses/>.
17 */
18
19#include <string.h>
20
21#include "portable_endian.h"
22#include "serialize.h"
23
24uint8_t get_8(uint8_t **bufferp)
25{
26 uint8_t tmp;
27
28 tmp = *bufferp[0];
29 *bufferp += 1;
30
31 return tmp;
32}
33
34uint32_t get_le32(uint8_t **bufferp)
35{
36 uint32_t tmp;
37
38 memcpy(&tmp, *bufferp, sizeof (tmp));
39 *bufferp += sizeof (tmp);
40
41 return le32toh(tmp);
42}
43
44uint8_t *put_8(uint8_t value, uint8_t **bufferp)
45{
46 *bufferp[0] = value;
47 *bufferp += 1;
48
49 return *bufferp;
50}
51
52uint8_t *put_le32(uint32_t value, uint8_t **bufferp)
53{
54 uint32_t tmp;
55
56 tmp = htole32(value);
57 memcpy(*bufferp, &tmp, sizeof (tmp));
58 *bufferp += sizeof (tmp);
59
60 return *bufferp;
61}