栈太小导致的HardFault

In the end, it's not the years in your life that count. It's the life in your years.

这家伙很懒，什么也没写！

调网络不抓包，调I2C等时序不上逻辑分析仪，就像电工不用万用表！多用整理的好的文字，比截图更省流量，还能在整理过程中思考。