微雪公司avr编程器自带的一些封装库函数AT24CXX.H，DS1302.H，I2C.H，PS2_.H，SD-MMC_.H等等很多函数库，仅供大家参考。-The micro Fisher avr programmer comes with some package library functions AT24CXX.H DS1302.H, I2C.H PS2_.H, the SD-MMC_.H and so many libraries, for your reference only.

这个是从avr论坛中下载的mp3代码，含有fat代码部分，具有很好的参考价值-This is a forum from the avr download mp3 code, the code contains some fat, a good reference value