Design of Audio Driver of WM8731 Based on WinCE5.0
Xinjie Wang · Journal of Qingdao Technological University · 2011
This paper describes the design of the audio driver WM8731 under the WinCE5.0 operating system and based on AT91SAM9260.The SPI and SSC of AT91SAM9260 are used to control WM8731 and transport audio data flow.More buffers are built to improve the real-time processing of audio data effectively.The driver can support recording and playing audio data at the same time and performs well in real applications.