dma.h

来自「IARSOURCECODE是基于LPC2478嵌入式软件IAR EWARM V4」· C头文件 代码 · 共 35 行

/*****************************************************************************
 *   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

//#define DMA_SRC			0x7FD00000		/* This is the area original data is stored or data to be written to the SD/MMC card. */
//#define DMA_DST			0x7FD01000		/* This is the area, after writing to the SD/MMC, data read from the SD/MMC card. */
#define DMA_MCIFIFO		0xE008C080
//#define DMA_SIZE		BLOCK_LENGTH	        /* DMA_SIZE is the same BLOCK_LENGTH defined in mci.h */
#define DMA_SIZE                0x1000

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

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


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