MMC Card Reader

Objectives

• Develop a file system for MMC suitable for reading/writing FAT16 & FAT32 file systems in 8/16-bit embedded systems
• posix api/standard library and stdio.h

Benefits

• save large files (e.g. html) for feature expansion
• upload firmware over ethernet, and upgrade firmware remotely

Limitations

• File read/write access may be slow

Architecture

• See here for block diagram

Development Roadmap for MMC Card Reader

• Contains directions for development

Circuit and PCB

• SD Card connector
• SPI interface to main board

Software Implementation

• Embedded Filesystem Library
• FatFs