智林STM32程序源代码的分析和整理，编写了开发板上键盘扫描、字符输入和简单shell的程序-Chi Lin STM32 program source code analysis and sorting, preparation of the development board keyboard scanning, character input and a simple shell program

在全志a33平台，自己编写的电阻触摸屏驱动程序-In Chi a33 platform, you have written resistive touch screen driver