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Diffstat (limited to 'apps/plugins/xworld/awendian.h')
-rw-r--r-- | apps/plugins/xworld/awendian.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/apps/plugins/xworld/awendian.h b/apps/plugins/xworld/awendian.h new file mode 100644 index 0000000000..863b19bb47 --- /dev/null +++ b/apps/plugins/xworld/awendian.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2014 Franklin Wei, Benjamin Brown | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ***************************************************************************/ | ||
21 | |||
22 | #ifndef __SYS_H__ | ||
23 | #define __SYS_H__ | ||
24 | |||
25 | #include "rbendian.h" | ||
26 | #include "stdint.h" | ||
27 | |||
28 | |||
29 | #ifdef ROCKBOX_LITTLE_ENDIAN | ||
30 | #define SYS_LITTLE_ENDIAN | ||
31 | #else | ||
32 | #define SYS_BIG_ENDIAN | ||
33 | #endif | ||
34 | |||
35 | |||
36 | #if defined SYS_LITTLE_ENDIAN | ||
37 | #define READ_BE_UINT16(p) ((((const uint8_t*)p)[0] << 8) | ((const uint8_t*)p)[1]) | ||
38 | #define READ_BE_UINT32(p) ((((const uint8_t*)p)[0] << 24) | (((const uint8_t*)p)[1] << 16) | (((const uint8_t*)p)[2] << 8) | ((const uint8_t*)p)[3]) | ||
39 | |||
40 | #elif defined SYS_BIG_ENDIAN | ||
41 | |||
42 | #define READ_BE_UINT16(p) (*(const uint16_t*)p) | ||
43 | #define READ_BE_UINT32(p) (*(const uint32_t*)p) | ||
44 | |||
45 | #else | ||
46 | |||
47 | #error No endianness defined | ||
48 | |||
49 | #endif | ||
50 | |||
51 | #endif | ||