84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
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/*
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Copyright (C) 1994-1995 Apogee Software, Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**********************************************************************
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file: DMA.H
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author: James R. Dose
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date: February 4, 1994
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Public header file for DMA.C
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(c) Copyright 1994 James R. Dose. All Rights Reserved.
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**********************************************************************/
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#ifndef __DMA_H
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#define __DMA_H
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enum DMA_ERRORS
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{
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DMA_Error = -1,
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DMA_Ok = 0,
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DMA_ChannelOutOfRange,
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DMA_InvalidChannel
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};
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enum DMA_Modes
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{
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DMA_SingleShotRead,
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DMA_SingleShotWrite,
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DMA_AutoInitRead,
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DMA_AutoInitWrite
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};
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char *DMA_ErrorString
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(
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int ErrorNumber
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);
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int DMA_VerifyChannel
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(
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int channel
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);
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int DMA_SetupTransfer
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(
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int channel,
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char *address,
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int length,
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int mode
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);
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int DMA_EndTransfer
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(
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int channel
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);
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char *DMA_GetCurrentPos
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(
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int channel
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);
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int DMA_GetTransferCount
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(
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int channel
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);
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#endif
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