带有详细注释的从机说明处理程序，把官方的简单例程完善成标准化IIC从机时序。也就是完成虚拟寄存器地址
因为是公司的不能发整个项目，只要懂的一定能看懂，里面有大量的注释，也是为了自己不忘(A detailed annotation of the slave processor, the official simple routine, standardized IIC slave timing.
Because the company can not send the entire project, as long as the understanding will be able to understand)