e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library 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 GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | #ifndef __SOUNDCOMMON_H |
25 | #define __SOUNDCOMMON_H |
26 | |
27 | #include <nds.h> |
28 | |
29 | #define CLOCK (1 << 25) |
30 | |
31 | #ifdef __cplusplus |
32 | extern "C" { |
33 | #endif |
34 | |
35 | typedef enum |
36 | { |
37 | NONE = 0, |
38 | INIT = 1, |
39 | MIX = 2, |
40 | MIXING = 4, |
41 | STOP = 8 |
42 | }CommandType; |
43 | |
44 | typedef enum |
45 | { |
46 | FIFO_NONE = 0, |
47 | UPDATEON_ARM9 = 1, |
48 | MIXCOMPLETE_ONARM9 = 2, |
49 | }FifoType; |
50 | |
51 | typedef struct |
52 | { |
53 | s8 *mixbuffer;//,*soundbuffer; |
54 | u32 rate; |
55 | u32 buffersize; |
56 | u32 cmd; |
57 | u8 channel,format; |
58 | u32 soundcursor,numsamples; |
59 | s32 prevtimer; |
60 | s16 period; |
61 | }S_SoundSystem; |
62 | |
63 | #define soundsystem ((S_SoundSystem*)((u32)(IPC)+sizeof(TransferRegion))) |
64 | |
65 | #ifdef ARM9 |
66 | extern void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format); |
67 | extern void SoundStartMixer(void); |
68 | extern void SendCommandToArm7(u32 command); |
69 | #else |
70 | extern void SoundVBlankIrq(void); |
71 | extern void SoundSwapAndMix(void); |
72 | extern void SoundSetTimer(int period); |
73 | extern void SoundFifoHandler(void); |
74 | extern void SendCommandToArm9(u32 command); |
75 | #endif |
76 | |
77 | #ifdef __cplusplus |
78 | } |
79 | #endif |
80 | #endif |