dmaarray.nc

tinyos2.0版本驱动

/*
 * Copyright (c) 2005 Yale University.
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 *    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
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 * THIS SOFTWARE IS PROVIDED BY YALE UNIVERSITY AND CONTRIBUTORS ``AS IS''
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 */ 
 /**
 * @brief dma array operations
 * @author Andrew Barton-Sweeney ([e-mail])
 * @author Thiago Teixeira
 */
 /**                                         
 * Modified and ported to tinyos-2.x.
 * 
 * @author Brano Kusy ([e-mail])
 * @version October 25, 2007
 */
#include "DMA.h"

interface dmaArray{
	async command uint32_t array_getBaseIndex(DescArray *DAPtr);
	async command DMADescriptor_t* array_get(DescArray *DAPtr, uint8_t descIndex);
	command void init(DescArray *DAPtr, uint32_t num_bytes, uint32_t sourceAddr, void *buf);
	command void setSourceAddr(DMADescriptor_t* descPtr, uint32_t val);
	command void setTargetAddr(DMADescriptor_t* descPtr, uint32_t val);
	command void enableSourceAddrIncrement(DMADescriptor_t* descPtr, bool enable);
	command void enableTargetAddrIncrement(DMADescriptor_t* descPtr, bool enable);
	command void enableSourceFlowControl(DMADescriptor_t* descPtr, bool enable);
	command void enableTargetFlowControl(DMADescriptor_t* descPtr, bool enable);
	command void setMaxBurstSize(DMADescriptor_t* descPtr, DMAMaxBurstSize_t size);
	command void setTransferLength(DMADescriptor_t* descPtr, uint16_t length);
	command void setTransferWidth(DMADescriptor_t* descPtr, DMATransferWidth_t width);
}