用单片机控制键盘的程序,利用中断获得键盘扫描码并转换为ASCII码，在1602液晶上显示字符。C语言编写，KEIL环境下编译，键盘驱动写得相当好。-Single-chip microcomputer to control the keyboard with the procedure, the use of interrupted access to the keyboard scan code and converted to ASCII code, in the 1602 character LCD display. C language, KEIL compiler environment, keyboard-driven written a very good job.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001237s ]
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:0.086647s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001151s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001880s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001172s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003602s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000984s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003178s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016299s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001365s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 185163 [ RunTime:0.001543s ]
