说明：  基于MSP430F13X系列16位单片机，实现的软件IO方式模拟I2C协议的C源码，已编译通过，并经过实际测试。希望对各位做嵌入式开发的朋友有所帮助。
(based MCU Series 16 microcontroller, Implementation of the software IO simulate I2C agreement C source code, compiled through, and after the actual test. Do you want to develop embedded friends help.)