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SD Card 的代码
mmc.h
/**************************************************************************************
//------------------ MMC/SD-Card Reading and Writing implementation -------------------
//FileName : mmc.c
mmc.h
/**************************************************************************************
//------------------ MMC/SD-Card Reading and Writing implementation -------------------
//FileName : mmc.c
mmc.h
/**************************************************************************************
//------------------ MMC/SD-Card Reading and Writing implementation -------------------
//FileName : mmc.c
dataflash.c
/*********************************************
SD Card Access Algorithms
Designed by Karl Antle
For use in ECE 402 Biomedical System Design
Note: A char sector_array[] must be defined in an ext
dataflash.c
/*********************************************
SD Card Access Algorithms
Designed by Karl Antle
For use in ECE 402 Biomedical System Design
Note: A char sector_array[] must be defined in an ext
sd_card.h
#ifndef __SD_Card_H__
#define __SD_Card_H__
//-------------------------------------------------------------------------
// SD Card Set I/O Direction
#define SD_CMD_IN IOWR(SD_CMD_BASE, 1, 0
mmc_z.h
/**************************************************************************************
//------------------ MMC/SD-Card Reading and Writing implementation -------------------
//FileName : mmc.c
mmc.h
/**************************************************************************************
//------------------ MMC/SD-Card Reading and Writing implementation -------------------
//FileName : mmc.c
mmc.c
// SPI information obtained from SanDisk's SD card manual
// http://www.sandisk.com/pdf/oem/ProdManualSDCardv1.9.pdf
/*
Portions of this code were adapted and used from
Radig Ulrich
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sd-reader: MMC/SD card example application