dma.h

LPC23XX ARM的驱动程序库

/*****************************************************************************
 *   dma.h:  Header file for NXP LPC23xx/24xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.07.20  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#ifndef __DMA_H 
#define __DMA_H

/* USB RAM is used for GPDMA operation. */
#define DMA_SRC			0x7FD00000	
#define DMA_DST			0x7FD01000		
#define DMA_I2S_TX_FIFO	0xE0088008
#define	DMA_I2S_RX_FIFO	0xE008800C
 
#define DMA_SIZE		0x200

/* DMA mode */
#define M2M				0x00
#define M2P				0x01
#define P2M				0x02
#define P2P				0x03

extern void DMAHandler( void ) __irq; 
extern DWORD DMA_Init( DWORD ChannelNum, DWORD DMAMode );

#endif /* end __DMA_H */
/****************************************************************************
**                            End Of File
****************************************************************************/