设计了下位机控制单元的实现方案,包括外部扩展的显示模块(LED)、红外遥控模块、通信模块等的设计方法。
Design the realizing methods of controller unit, including LED display module, communication module, infrared remote controller module, etc.
概述了支持软件和外部设备,设备选型设计、数据库和图形库等软件模块的结构及其管理。
An account of the supporting softwares and the peripherals, the construction of the modules for equipment selection, database, graph-base and their management has been made.
在硬件设计主要介绍系统组成中的外部存储器模块与视频输入输出模块,介绍了使用片上支持库编写DM642中视频驱动程序的方法,以及编写过程中DM642中断和直接存储器存取(DMA)的应用;
The hardware chapter introduces the external memory module and video I/O module, programs video-driver for the DM642 by using CSL, discuss the applications of interrupt and direct memory access (DMA).
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