程序描述：使用Cypress的Cy7C68013A芯片进行设计，控制外部LED数码管的显示。程序包括USB固件程序以及主机程序。
安装：把源码拷贝到硬盘特定目录下，使用Keil C编译器和Visual C++ 6.0运行即可。
注意：可以首先使用Cypress的调试工具进行固件程序的调试，以确保固件程序的正确性。
-Description: Using Cypress
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002006s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.086320s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002509s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001943s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002242s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003734s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002157s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003200s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015211s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002758s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 89111 [ RunTime:0.001116s ]
