这个是我亲自调试过的程序，公司现在都用着呢。可以通过串口，可以写入和读出24C02的数据。如果哪位下载后程序运行不行，都可以揭发我。-This is what I personally debugging procedures, companies are busy. Through the serial port, can be written and read 24C02 data. If a download program to run it, can be exposed.