我一直在用的I2C总线函数库,内容不多,但很实用.--在网上见的资源挺多,但很多时候是没有测试过的,下了一大堆,搞得眼花燎乱.这个是我在某人主页上找到的,经修改调试后,一直在用着的,绝对好用.-I have been using the I2C bus in the library, which is not big, but very useful .-- online resources挺多see, but often is not tested, and under a lot of, i