ST0297D驱动程序,源代码，包括寄存器设置,I2c驱动等。对照手册就可以啦-ST0297D Driver in C source code

HT16C22显示驱动程序，使用I2C功能(HT16C22 display driver, using the I2C function)

此模块包括发送数据及接收数据，应答位发送，并提供了几个直接面对器件的操作函数，能很方便的与用户程序进行连接并扩展。(his module includes sending data and receiving data, sending the response bit, and providing several operating functions directly facing the device, which can be easily connected and extended

rc522关于IIC通信设计，驱动程序用来进行代码移植(Rc522 about IIC communication design)