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/*
* Copyright (c) 2005 Yale University.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgement:
* This product includes software developed by the Embedded Networks
* and Applications Lab (ENALAB) at Yale University.
* 4. Neither the name of the University nor that of the Laboratory
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY YALE UNIVERSITY AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/**
* @brief dma array operations
* @author Andrew Barton-Sweeney (abs@cs.yale.edu)
* @author Thiago Teixeira
*/
/**
* Modified and ported to tinyos-2.x.
*
* @author Brano Kusy (branislav.kusy@gmail.com)
* @version October 25, 2007
*/
#ifndef _DMA_ARRAY_H
#define _DMA_ARRAY_H
typedef struct {
uint32_t DDADR;
uint32_t DSADR;
uint32_t DTADR;
uint32_t DCMD;
} DMADescriptor_t;
#define MAX_DESC_TRANSFER 8184 // max is 8K-1, CIF requires a multiple of 8 //8192
// ----------------------------------------------
#define DescArray_NBR_DESC 100//8
#define DescArray_BYTE_ALLIGNMENT 16
#define DescArray_BUFFER_SIZE (DescArray_NBR_DESC*sizeof(DMADescriptor_t) + DescArray_BYTE_ALLIGNMENT)
typedef struct DescArray
{
uint8_t data[DescArray_BUFFER_SIZE]; // The data is alligned from data[baseIndex]
} DescArray;
#endif //_DMA_ARRAY_H
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