ARM(LPC2214)模拟串口程序，通过定时器捕获比较功能产生模拟串口，波特率可以达到19200bps-ARM (LPC2214) simulation serial process, through timers have captured more functional simulation of serial ports, baud rate can be achieved 19200bps
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001249s ]
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:0.088879s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001218s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001895s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001213s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003597s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001017s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003256s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015687s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001300s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 310679 [ RunTime:0.001193s ]
