hal(hardware abstraction layer meaning in English

硬件抽像化层

While the key of embedded system software is embedded operation system ; one of the main works in os application is to write the hal ( hardware abstraction layer ) code . two open source code embedded operation system - uc / os and embedded linux were analyzed in this paper
文中作者以broadcom主板为硬件平台(基于motorola通信处理芯片mpc850 )对两种公开源代码的操作系统uc os和嵌入式linux进行了研究与应用设计，其中的关键步骤是编写硬件抽象层接口程序。
Second , porting ecos system is the cornerstone of ecos system , the job is according to target board programme that bottom hal ( hardware abstraction layer ) porting code and certain driver codes supportting devices of target board , then configures , complices , links and borns an ecos library file
本人还参与完成的一个基于ecos的voip终端的设计和实现。该终端是基于飞思卡尔公司的mcf5235evb评估板和本文成功移植的ecos嵌入式操作系统,并在其上移植sip等相关的应用协议栈。