激光水下成像系统中SD存储卡应用研究  

Research on SD Card Application in Laser Underwater Imaging System

作　　者：宾辰忠[1] 马春波[1] 韦磊[1] 康家郡[1] 

机构地区：[1]桂林电子科技大学信息与通信学院,广西桂林541004

出　　处：《电视技术》2014年第7期48-50,53,共4页Video Engineering

基　　金：国家自然科学基金项目(61167006);广西自然科学基金项目(2012jjBAG0043)

摘　　要：介绍了在激光水下成像系统中,应用SD卡存储图像数据的具体方案及实施细节。包括SD卡与DSP处理器的电路连接,SPI总线的配置方法,系统软件层次结构的分析,SD卡的操作以及文件系统的移植及应用。该方案在水下成像系统的设计实现中具有应用价值。A method and implementation detail of storing image data in the SD （Secure Digital） card is introduced, which is used in the laser underwa- ter imaging system. The content includes the detail of hardware circuit which connected the SD card between the DSP processor,the configuration of SPI bus. And the architecture of system software is analyzed. At last the operation of SD card and the application of the FatFs file system is introduced. The method has a practical application value in implementing underwater imaging systems.

关 键 词：水下成像系统 SD卡 DM642 FatFs文件系统 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]