8位流水灯实例程序
功能是,将RB的8条引脚全部设置为输出模式,依次从RB0到RB7送出高电平,然后再依次从RB7到RB0送出高电平.并且周而复始-eight wasted lights function of the sample program, the eight RB pin all set to output mode, followed from RB0 RB7 to send serial, From then followed RB0 RB7 to send margin. and the cycle
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001955s ]
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:0.101842s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003311s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002004s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002271s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003806s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001920s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003396s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015262s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002278s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 320935 [ RunTime:0.001099s ]
