In the thesis, the hardware overall system based on DM642 are introduced and the principle of each peripheralmodule is also showed, which build a good hardware platform for real-time encoding.
A software module that hides the details of a particular peripheral and provides a high-level programming interface to it.
一个软件模块，它隐藏特定外设的细节并提供高级的外设编程接口。
3
Among them the control system of hardware has introduced the peripheral circuit including main chip mainly, the module the signal gathers and the motor driving module.