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DMA 的代码
dma范例.txt
/*
* 声明：本范例源于书籍‘NiosII软件架构解析’
* 作者：蔡伟纲
* 博客地址： http://NiosII.cublog.cn
*
* 一、功能: <mark>DMA</mark>(Memory to Memory)驱动演示代码.
* 二、运行前提: 本范例需要硬件开发板的支持,
* 要求NiosII系统包含名为”<mark>dma</mark>”的<mark>DMA</mark>模块,
* 且<mark>DMA</mark>的长度寄存 ...
dma.c
/*****************************************
NAME: dma.c
DESC: DMA memory2memory test
HISTORY:
2005.09.15:KIM, KI JUN: draft ver 0.0
*****************************************/
#include
dma.h
#ifndef __DMA_H__
#define __DMA_H__
#ifdef __cplusplus
extern "C" {
#endif
/////////////////////////////
#define SINGLE 0
#define BURST 1
#define BYTE 0
#define DBYTE 1
#define F
dma.h
/*
** Kenobi2 version 1.3
**
** ** This code has been made to check/learn the 1161 functionalities **
** ** Release 25-Feb-2002 **
dma.h
/******************************************************************************/
/* DMA.H - TMS320C6x Peripheral Support Library DMA Support */
/*
dma.h
//---------------------------------------------------------------------------------------------------------------------------
// DMA Driver Header For FireXOS 1.01
//
// Version
dma.h
//==========================================================================================
// Filename: dma.h
//
// Description: Generic template which includes headers in proper format.
//
/
dma.c
static int malloc_buffer()
{
if ((csi_data_buf = (U32 *) __get_free_pages(GFP_KERNEL, 7))) // 128 pages = 128x4K = 512K
{
dma_buf_phy_addr = virt_to_phys((void *) csi_data_buf);
dprintcsi2c("Buf
dma.c
#undef __DEBUG_VERSION
#include "def.h"
#include "2410addr.h"
#include "2410lib.h"
#include "2410slib.h"
#include "DMAAdmin.h"
#define DMA_CHECK_ATTR 1
typedef struct{ //can't use __pa