视频:https://www.bilibili.com/video/BV1py4y1S7Bz/
Ultra96 board相关文档下载(开发板介绍/原理图/硬件使用手册/参考设计等有用资源)
http://zedboard.org/product/ultra96
https://www.96boards.org/documentation/consumer/ultra96/ultra96-v1/
Sensor board
https://www.96boards.org/product/sensors-mezzanine/
Linux GPIO参考
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842398/Linux+GPI...
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842142/GPIO+User...
在继续之前建议先阅读以上wiki.