改程序实现ARM和FPGA之间的通信，并且是以中断方式实现的。-THIS function is used to communicate with ARM and FPGA,it s way is interrupt.

采集不同分辨率视频，输出相同视频，实现bt1120编码，iic与arm通信-Different resolution video capture and output the same video coding to achieve bt1120, iic communicate with arm