MSP430的P2口接4*4键盘，通过中断方式实现串口通讯，通过PC端运行串口调试软件显示键号-MSP430 P2 I received 4* 4 keyboard, interrupted achieved through serial communications, PC terminal operations through serial debugging software, and display key,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001689s ]
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:0.094328s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001313s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001900s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001219s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003868s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001099s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003182s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016568s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001598s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 250712 [ RunTime:0.001536s ]
