微机键盘和单片机的接口程序,采用了上升沿触发中断服务程序,下降沿触发中断服务程序.-computer keyboard and microcontroller interface procedures using the rising edge trigger interrupt service procedures, falling edge triggering a break in service procedures.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001021s ]
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:0.082773s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001050s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001471s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000963s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003112s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000851s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003977s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015312s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001048s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 317577 [ RunTime:0.020940s ]
