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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2012 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#ifndef __SOUNDCOMMON_H
#define __SOUNDCOMMON_H
#include <nds.h>
#define CLOCK (1 << 25)
#ifdef __cplusplus
extern "C" {
#endif
typedef enum
{
NONE = 0,
INIT = 1,
MIX = 2,
MIXING = 4,
STOP = 8
}CommandType;
typedef enum
{
FIFO_NONE = 0,
UPDATEON_ARM9 = 1,
MIXCOMPLETE_ONARM9 = 2,
}FifoType;
typedef struct
{
s8 *mixbuffer;//,*soundbuffer;
u32 rate;
u32 buffersize;
u32 cmd;
u8 channel,format;
u32 soundcursor,numsamples;
s32 prevtimer;
s16 period;
}S_SoundSystem;
#define soundsystem ((S_SoundSystem*)((u32)(IPC)+sizeof(TransferRegion)))
#ifdef ARM9
extern void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format);
extern void SoundStartMixer(void);
extern void SendCommandToArm7(u32 command);
#else
extern void SoundVBlankIrq(void);
extern void SoundSwapAndMix(void);
extern void SoundSetTimer(int period);
extern void SoundFifoHandler(void);
extern void SendCommandToArm9(u32 command);
#endif
#ifdef __cplusplus
}
#endif
#endif
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