| 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 |