摘要
应用嵌入式实时操作系统μC/OSⅡ设计了基于以太网的实时语音通信系统,系统由语音接口、网络接口、存储系统、键盘及显示等模块组成。语音接口模块采用UDA1341TS芯片与语方数据接口相连,实现了音频数据的输入/输出;网络接口采用RTL8019AS芯片为控制器。μC/OSⅡ的移植主要改写了3个文件(OS-CPU.H、OS-CPU-A.ASM、OS-CO-C.C);网卡驱动程序主要是对RTL8019AS芯片复位、初始化;给出了以太网数据收/发子程序。
A real-time voice communication system based on Ethernet is designed by using the embedded RTOS（Real-Time Operating System） μC/OSⅡ. The system consists of different modules, such as voice interface ,web interface ,memory system,keyboard and display. The voice interface module uses UDA1341TS chip to connect with the language data interface and realize the input/ output of the audio-data. The web interace uses RTL8019AS chip as its controller. The transplant of μC/OSⅡ mainly changes three files：OS_CPU.H,OS_CPU_A.ASM,OS_CO_C.C. The driver of network card mainly resets and initializes the UDA1341TS chip. A subprogram of data receiving/ transmitting via Ethernet is provided. The demo system has completed with good commissioning results.
出处
《电力自动化设备》
EI
CSCD
北大核心
2006年第11期98-100,共3页
Electric Power Automation Equipment
