通用的IIC总线时序控制程序，解析了IIC总线协议的最核心部分，实际使用的时候根据不同的器件来进行应用扩展，程序中附带了扩展示例。-IIC Bus Timing common control procedures, analysis of the IIC bus protocol, the core part of the actual use of the device when carried out according to different application expansion,