diff options
Diffstat (limited to 'apps/plugins/sdl/src/audio/nds/sound9.c')
-rw-r--r-- | apps/plugins/sdl/src/audio/nds/sound9.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/audio/nds/sound9.c b/apps/plugins/sdl/src/audio/nds/sound9.c new file mode 100644 index 0000000000..59c1c219ae --- /dev/null +++ b/apps/plugins/sdl/src/audio/nds/sound9.c | |||
@@ -0,0 +1,61 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 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 | #include "SDL_stdinc.h" | ||
24 | |||
25 | #include "soundcommon.h" | ||
26 | |||
27 | void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format) | ||
28 | { | ||
29 | soundsystem->rate = rate; | ||
30 | |||
31 | if(format == 8) | ||
32 | soundsystem->buffersize = buffersize; | ||
33 | else if(format == 16) | ||
34 | soundsystem->buffersize = buffersize * sizeof(short); | ||
35 | |||
36 | soundsystem->mixbuffer = (s8*)SDL_malloc(soundsystem->buffersize); | ||
37 | //soundsystem->soundbuffer = soundsystem->mixbuffer; | ||
38 | soundsystem->format = format; | ||
39 | soundsystem->channel = channel; | ||
40 | soundsystem->prevtimer = 0; | ||
41 | soundsystem->soundcursor = 0; | ||
42 | soundsystem->numsamples = 0; | ||
43 | soundsystem->period = 0x1000000 / rate; | ||
44 | soundsystem->cmd = INIT; | ||
45 | } | ||
46 | |||
47 | void SoundStartMixer(void) | ||
48 | { | ||
49 | soundsystem->cmd |= MIX; | ||
50 | } | ||
51 | |||
52 | void SendCommandToArm7(u32 command) | ||
53 | { | ||
54 | while (REG_IPC_FIFO_CR & IPC_FIFO_SEND_FULL); | ||
55 | if (REG_IPC_FIFO_CR & IPC_FIFO_ERROR) | ||
56 | { | ||
57 | REG_IPC_FIFO_CR |= IPC_FIFO_SEND_CLEAR; | ||
58 | } | ||
59 | |||
60 | REG_IPC_FIFO_TX = command; | ||
61 | } | ||