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SD Card 的代码
sd.txt
Unknown host sz.tencent.com.
Unknown host sz2.tencent.com.
Unknown host sz3.tencent.com.
Unknown host sz4.tencent.com.
Unknown host sz5.tencent.com.
Unknown host sz6.tencent.com.
Unknown h
sd.bat
ping sz.tencent.com>sd.txt
ping sz2.tencent.com>>sd.txt
ping sz3.tencent.com>>sd.txt
ping sz4.tencent.com>>sd.txt
ping sz5.tencent.com>>sd.txt
ping sz6.tencent.com>>sd.txt
ping sz7.tencent.com>>
sd.c
/****************************************Copyright (c)**************************************************
** 广州周立功单片机发展有限公司
** 研 究
sd.plg
礦ision2 Build Log
Project:
F:\创建keil的lib库\SD.uv2
Project File Date: 04/12/2009
Output:
sd.opt
### uVision2 Project, (C) Keil Software
### Do not modify !
cExt (*.c)
aExt (*.s*; *.src; *.a*)
oExt (*.obj)
lExt (*.lib)
tExt (*.txt; *.h; *.inc)
pExt (*.plm)
CppX (*.cpp)
DaveTm {
sd.asm
0000H 02002B LJMP 002BH
0003H 32 RETI
0004H 00 NOP
0005H 00 NOP
0006H 00 NOP
0007H 00 NOP
0008H 00 NOP
0009H 00 NOP
000AH 00 NOP
000BH 32 RETI
000CH 00
sd.i
extern unsigned char MMC_SD_SendCommand(unsigned char cmd, unsigned long arg);
extern void MMC_SD_Init (void);
extern unsigned char MMC_SD_Reset(void);
extern unsigned char MMC_SD_ReadS
sd.h~
#ifndef __MMC_SD_h__
#define __MMC_SD_h__
#define uint8 unsigned char
#define int8 signed char
#define uint16 unsigned int
#define int16 signed int
#define uint32 unsigned long
#def
sd.c
#include "sd.h"
//低速模式
void SPI_Low(void)
{
SPCR =0x52;//_BV(SPE)|_BV(MSTR)|_BV(SPR1)|_BV(SPR0);
SPSR &= 0xfe; //关双速
}
//高速模式
void SPI_High(void)
{
SPCR =0x50;// _B
sd.h
#ifndef __MMC_SD_h__
#define __MMC_SD_h__
#define uint8 unsigned char
#define int8 signed char
#define uint16 unsigned int
#define int16 signed int
#define uint32 unsigned long
#def