# Regular Meeting (2021.10.4)
* Problem: Seems that I must create derived device tree(dt)
## Derived Device Tree(DDT)
* For override some parameter of BDT
* Base on Base Device Tree (BDT)
* Add FPGA's parameter and xvc parameter
* Need to check [doc(6)](http://www.digilent.com.cn/community/727.html?fbclid=IwAR2eaR6d7CAOORsoNZepL1CPfIHb8NB84R_629Sj7yaRz6qgKfoP07IgRmY)
* Add into task (Gantt)
Gantt: https://hackmd.io/2Qc3EDXDT8yE2T2I75lQcQ
###### tags: `Regular Meeting` `DeWei`