www.pudn.com > NXP_LPCXpresso1769.zip > dma.h, change:2011-02-09,size:1932b


/**************************************************************************** 
 *   $Id:: dma.h 6089 2011-01-06 04:38:09Z nxp12832                         $ 
 *   Project: NXP LPC17xx ADC DMA example 
 * 
 *   Description: 
 *     This file contains ADC DMA code header definition. 
 * 
 **************************************************************************** 
 * Software that is described herein is for illustrative purposes only 
 * which provides customers with programming information regarding the 
 * products. This software is supplied "AS IS" without any warranties. 
 * NXP Semiconductors assumes no responsibility or liability for the 
 * use of the software, conveys no license or title under any patent, 
 * copyright, or mask work right to the product. NXP Semiconductors 
 * reserves the right to make changes in the software without 
 * notification. NXP Semiconductors also make no representation or 
 * warranty that such application will be suitable for the specified 
 * use without further testing or modification. 
****************************************************************************/ 
#ifndef __DMA_H  
#define __DMA_H 
 
/* Second half of the second RAM is used for GPDMA operation. */ 
#define DMA_SRC			(LPC_ADC_BASE+ADC_OFFSET)	/* DATA register entry */ 
#define DMA_DST			LPC_AHBRAM0_BASE 
 
/* DMA connection number, or DMA request number */ 
#define DMA_ADC			4 
 
/* DMA transfer size */  
#define DMA_SIZE		8 
 
/* DMA mode */ 
#define M2M				0x00 
#define M2P				0x01 
#define P2M				0x02 
#define P2P				0x03 
 
extern void DMA_IRQHandler( void );  
extern void DMA_Init( void ); 
extern uint32_t DMAChannel_Init( uint32_t ChannelNum, uint32_t DMAMode ); 
 
#endif /* end __DMA_H */ 
/**************************************************************************** 
**                            End Of File 
****************************************************************************/