Win CE 6.0下WM8976的音频驱动  

Audio Driver of WM8976 Based on Win CE 6.0

作　　者：张仲达[1] 方正 

机构地区：[1]武汉理工大学计算机科学与技术学院,湖北武汉430070 [2]湖南省岳阳县广播电视局,湖南岳阳414100

出　　处：《武汉理工大学学报（信息与管理工程版）》2009年第3期365-368,共4页Journal of Wuhan University of Technology：Information & Management Engineering

摘　　要：介绍了基于S3C2443的Win CE 6.0操作系统下,WM8976音频芯片的I2C总线初始化、I2S总线的音频驱动实现方法,其中采用音频DMA双缓冲区的设计,可有效提高音频数据处理的实时性。应用结果表明,该设计方案具有很好的效果。The implementation of I^2S bus audio driver under the Win CE 6.0 operating system based on S3C2443 as well as the method of initializing WM8976 codec by I^2C was presented. By using double DMA audio buffer,the process of audio date can be improved effectively. The result of application indicates that this method is feasible.

关 键 词：WIN CE 音频驱动 I2S总线 I2C总线 WM8976 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]