通用异步收发器st2552的驱动程序，对于运用UART通信来讲具有通用性。-Universal Asynchronous Receiver Transmitter st2552 driver for use UART communication with the terms of versatility.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001343s ]
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:0.091955s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001338s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001901s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001234s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003653s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001079s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003224s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015274s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001555s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 284590 [ RunTime:0.001393s ]
