看看这是否有帮助:http://www.tomshardware.com/answers/id-1985392/enable-direct-draw-acceleration.html
以上来自于谷歌翻译
以下为原文
See if this helps any: http://www.tomshardware.com/answers/id-19 ...
这是写AD7175寄存器的代码
/**************************************************************************//**
* @brief Writes the value of the specified register
*
* @param reg - Register structure holding ...