嵌入式Linux下多路数字音频采集报警器的设计  

Design of Multi-channel Digital Audio Capture Alarm in Embedded Linux

作　　者：王辉[1] 何永刚[1] 黄川[1] 

机构地区：[1]中国电子科技集团公司第三研究所音视频部,北京100015

出　　处：《电声技术》2012年第5期37-39,共3页Audio Engineering

摘　　要：介绍了嵌入式Linux系统下多路数字音频采集报警器的功能,给出了系统的结构,以模块化方式说明了ARM软件的实现过程,重点介绍了节目表的查询和转换方案,阐述了FPGA驱动程序的实现方法。说明了如何响应网络命令,将信息上传到监控系统。The functions of a digital audio error detector which is based on embeded Linux are introduced in the paper. The stucture of the detector is given. Implementation of the software which is running in ARM is described in a modular fashion. The referring and generating method of programmed schedule is stated in detail. The implementation of FPGA driver is decribed too. The way on how to answer and send the messages of programme to PC is explained as well.

关 键 词：S3C2440 ARM 节目表 时间片 FPGA驱动 

分 类 号：TN912.2[电子电信—通信与信息系统]