源码是基于bf561的I2C通信程序，BF561是美国ad公司的告性能多媒体处理器，但其内部没有I2C的控制器，所以需要要双线模拟,是不错的代码-BF561-source is based on the I2C communication program, BF561 is the ad company s reported performance multimedia processor, but not its internal I2C controller, so it is necess