dma.h

来自「最新版IAR FOR ARM（EWARM）5.11中的代码例子」· C头文件 代码 · 共 33 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 ((unsigned int)&MCIFIFO0)
#define DMA_SIZE    BLOCK_LENGTH  /* DMA_SIZE is the same BLOCK_LENGTH defined in mci.h */

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

extern DWORD DMA_Init( DWORD ChannelNum, DWORD DMAMode );

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