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DMA 的代码
dma.asm
/*
DMA.ASM ADSP-21065L EPORT 16/32 bit packing
GGL, Analog Devices, Inc. 7/19/00
This code is a simple example of getting 16 bit floating point data
from SDRAM packing it to 32 bits
dma.asm
/*
DMA.ASM ADSP-21065L EPORT 16/32 bit packing
GGL, Analog Devices, Inc. 7/19/00
This code is a simple example of getting 16 bit floating point data
from SDRAM packing it to 32 bits
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{
volatile U32 DI
dma.h
#ifndef DMA_ADMIN_H
#define DMA_ADMIN_H
#define MAX_DMA_CHANNEL 4
//#define DMA_IS_USED 1
#define DMA_IS_HWTRIG 2
#define DMA_IS_SWTRIG 1
#define DMA_IS_FREE 0
// request source
#define R
dma.c
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "dma.h"
#define DMA_CHECK_ATTR 1
typedef struct{ //can't use __packed???
dma.h
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT