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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.err
"dma.c", line 125: Warning: C2892E: signed constant overflow: '
dma.err
"src\dma.c", line 280: Warning: C2870W: variable 'memSum1' declared but not used
"src\dma.c", line 286: Warning: C2917W: no side effect in void context: 'unary *'
"src\dma.c", line 294: Warnin
dma.h
//===========================================================================
//dma.h
//===========================================================================
#ifndef __DMA_H_
#define __DMA_H
dma.c
//=========================================================================================
//dma.c
//=========================================================================================
#incl
dma.c
/* $Id: dma.c,v 1.7 1994/12/28 03:35:33 root Exp root $
* linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c.
*
* Written by Hennus Bergman, 1992.
*
* 1994/12/26: Changes
dma.c
/* PC DMA support functions
*/
#include
#include
#include "global.h"
#include "dma.h"
#include "nospc.h"
/* I/O port addresses for DMA page registers on the PC/AT */
static
dma.ug
Using DMA with ATA or ATAPI
a guide to all the requirements and problems
by Hale Landis
Version 14x and higher
dma.ug
Using DMA with ATA or ATAPI
a guide to all the requirements and problems
by Hale Landis
Version 14x and higher
dma.c
/* PC DMA support functions
*/
#include
#include
#include "global.h"
#include "dma.h"
#include "nospc.h"
/* I/O port addresses for DMA page registers on the PC/AT */
static