说明：  程序是在IAR上调试的，并已经在MSP430开发板上成功运行，实现了MSP430F1612内部自带的I2C模块,经验证通讯正常，可靠
(procedures on the IAR debugger, and has MSP430 development board in the successful operation, MSP430F1612 achieved internal built-in I2C module, certified normal communication, reliable)