数据采集卡中固件程序的开发.pdfVIP

29 1 Vol. 29, No . 1 2008 3 Journal of Hebei University of Science and T ec nology Mar . 2008 : 1008-1542( 2008) 01-0040- 04 1 1, 2 1, 2 3 1 王丽娜 , 王震洲 , 刘教民 , 王静红, 郭 盛 ( 1. 河北科技大学信息科学与工程学院, 河北石家庄 050018; 2. 华北电力大学电气工程学院, 河北 保定 071003; 3. 河北师范大学信息技术学院, 河北石家庄 050091) ) : 讨论了基于U SB2. 0 的数 采集卡中固件程序的开发介绍了该数 采集卡的硬件设计 方案, 并对用于实现U SB 接口功能的接口芯片 CY7C68013A 进行了简单的介绍; 然后根 该芯片 的固件程序框架的结构, 介绍了固件程序的开发 : U SB2. 0; CY7C68013A; 固件程序; 数 采集 : T P31 : A Development of firmw are program and application program in t e data acquisition adapter 1 1, 2 1, 2 3 1 WANG L-i na , WANG Z en-z ou , LIU Jiao-min , WA NG Jing- ong , GUO S eng ( 1. College of Informat ion Science and Engineering, Hebei University of Science and Tec nology , S ijiaz uang H ebei 050018, C ina; 2. College of Electrical Engineering, Nort C ina Electric Power University , Baoding Hebei 071003, C ina; 3. College of Information Tec nology , H ebei Normal University, S ijiaz uang Hebei 050091, C ina) Abstract :T is paper discusses t e development of t e firmware program and t e application program in t e data acquisition a- dapt er based on USB2. 0. Firstly, it simply introduces t e design of t e data acquisition adapter and especially t e interface CY7C68013A c ip support ing t e USB; t en according to t e frame structure of its firmware program, it introduces t e devel- opment of its f irmw are program in detail;f inally, it introduces t e design of driver program and t e realization of t e application program . It proves by pract ice t at t is adapter not only as ig sampling accu