基于MB86296显卡芯片的显示平台设计  

A display platform based on MB86296 display card chip

作　　者：张利平[1] 

机构地区：[1]中国西南电子技术研究所,成都610036

出　　处：《雷达与对抗》2011年第1期61-64,共4页Radar & ECM

摘　　要：介绍了基于Linux操作系统使用MB86296显卡芯片构建高性能雷达显示平台的基本方法。首先介绍了MB86296显卡芯片的特性,给出了硬件平台的搭建过程和Linux系统帧缓冲的处理机制及底层显卡驱动程序的编写,解决了Powerpc固有的大端模式特性引起的PCI设备通信不正常的问题。最后通过实际测试,验证了工作的正确性,并将此高性能显示平台成功应用于某型号雷达显示设备中。The basic method of constructing the high-performance radar display platform based on the Linux operating system and the MB86296 display card chip is introduced.The characteristics of the MB86296 display card chip are introduced firstly,and the process of creating the hardware platform,together with the processing mechanism of the Linux system framebuffer and the programming of the driver of the base display card is also given to solve the problem of the abnormal communication of the PCI device caused by the characteristics of the inherent big-end mode of the Powerpc.Finally,the actual test verifies the correctness of the method,and the high-performance display platform is successfully applied to the display device of a radar.

关 键 词：显示平台 POWERPC LINUX MB86296 FRAMEBUFFER 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]