fifomessages.h

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/*---------------------------------------------------------------------------------

        Sound Functions

        Copyright (C) 2008
                Jason Rogers (Dovoto)

        This software is provided 'as-is', without any express or implied
        warranty.  In no event will the authors be held liable for any
        damages arising from the use of this software.

        Permission is granted to anyone to use this software for any
        purpose, including commercial applications, and to alter it and
        redistribute it freely, subject to the following restrictions:

        1.      The origin of this software must not be misrepresented; you
                must not claim that you wrote the original software. If you use
                this software in a product, an acknowledgment in the product
                documentation would be appreciated but is not required.
        2.      Altered source versions must be plainly marked as such, and
                must not be misrepresented as being the original software.
        3.      This notice may not be removed or altered from any source
                distribution.


---------------------------------------------------------------------------------*/
#ifndef FIFOMESSAGE_H
#define FIFOMESSAGE_H

#include "ndstypes.h"
#include <nds/touch.h>

typedef enum {
        SOUND_PLAY_MESSAGE = 0x1234,
        SOUND_PSG_MESSAGE = 0x1235,
        SOUND_NOISE_MESSAGE = 0x1236,
        MIC_RECORD_MESSAGE = 0x1237,
        MIC_BUFFER_FULL_MESSAGE = 0x1238,
        SYS_INPUT_MESSAGE = 0x1239
}FifoMessageType;

typedef struct FifoMessage {
        u16 type;

        union {

                struct {
                        u16 type;       
                        const void* data;
                        u16 loopPoint;
                        u16 dataSize;
                        u16 freq;
                        u8 volume;
                        u8 pan;
                        bool loop;
                        u8 format;
                } SoundPlay;

                struct{
                        u16 freq;       
                        u8 dutyCycle;
                        u8 volume;
                        u8 pan;
                } SoundPsg;

                struct{
                        void* buffer;
                        u32 bufferLength;
                        u16 freq;
                        u8 format;
                } MicRecord;

                struct{
                        void* buffer;
                        u32 length;
                } MicBufferFull;

                struct{
                        touchPosition touch;
                        u16 keys;
                } SystemInput;
        };

} ALIGN(4) FifoMessage;


#endif

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