ref: e029357a195263d878999872a558ff40b02c469b
dir: /src/audiolib/dma.h/
/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**********************************************************************
file: DMA.H
author: James R. Dose
date: February 4, 1994
Public header file for DMA.C
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef __DMA_H
#define __DMA_H
enum DMA_ERRORS
{
DMA_Error = -1,
DMA_Ok = 0,
DMA_ChannelOutOfRange,
DMA_InvalidChannel
};
enum DMA_Modes
{
DMA_SingleShotRead,
DMA_SingleShotWrite,
DMA_AutoInitRead,
DMA_AutoInitWrite
};
char *DMA_ErrorString
(
int ErrorNumber
);
int DMA_VerifyChannel
(
int channel
);
int DMA_SetupTransfer
(
int channel,
char *address,
int length,
int mode
);
int DMA_EndTransfer
(
int channel
);
char *DMA_GetCurrentPos
(
int channel
);
int DMA_GetTransferCount
(
int channel
);
#endif