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SD Card 的代码
sd.c
#include "SD.h"
#include
#include
void SPI_Init()
{
DDRB.4=1; //SS
DDRB.5=1; //MOSI
DDRB.6=0; //MISO
DDRB.7=1; //SCK
SD_CS=1;
// SPI ini
sd.cwp
[CodeWizard]
Toolset=AVR
[Chip]
Type=ATmega16L
CPUClock=7.3728
XTALDivEnabled=0
XTALDivValue=2
XTALDivIndex=-1
ResetAfterBtnActivation=0
BatteryLowHysteresis=0
BatteryLowThresholds=-1
XRAMS
sd.prj
[Project]
Toolset=AVR
FormatVersion=2
Files=2
OpenedFiles=1
Top0=201
Left0=267
Height0=337
Width0=489
Active0=0
State0=0
OF1=main.c
Top1=-30
Left1=-4
Height1=582
Width1=836
Row1=18
Co
sd.c~
#include "SD.h"
#include
#include
void SPI_Init()
{
DDRB.4=1; //SS
DDRB.5=1; //MOSI
DDRB.6=0; //MISO
DDRB.7=1; //SCK
SD_CS=1;
// SPI ini
sd.i
// CodeVisionAVR C Compiler
// (C) 1998-2001 Pavel Haiduc, HP InfoTech S.R.L.
// I/O registers definitions for the ATmega16
#pragma used+
sfrb TWBR=0;
sfrb TWSR=1;
sfrb TWAR=2;
sfrb TWDR=3;
sd.h
#ifndef __SD_H__
#define __SD_H__
#include
#define SD_CS PORTB.4
void SPI_Init();
unsigned char SD_Write_Command(unsigned char *cmd);
unsigned char SD_Init(void);
unsigned char S
sd.pr~
[Project]
Toolset=AVR
FormatVersion=2
Files=1
F1=main.c
OpenedFiles=1
Top0=201
Left0=267
Height0=337
Width0=489
Active0=0
State0=0
OF1=main.c
Top1=-30
Left1=-4
Height1=582
Width1=836
sd.lst
C51 COMPILER V7.02a SD 12/22/2010 21:07:57 PAGE 1
C51 COMPILER V7.02a, COMPILATION OF MODULE SD
OBJECT MODULE PLACED IN sd.
sd.c
#include "sd.h"
BUFFER_TYPE sectorBuffer;
unsigned int readPos=0;
unsigned char sectorPos=0;
unsigned char LBA_Opened=0; //Set to 1 when a sector is opened.
unsigned char Init_Flag; //Set i