实现CAN总线的接收,发送,故障处理,处理器采用的是STC89C58RD,是中央空调控制系统的下位机程序的一部分.-CAN Bus receive, send, fault handling, the processor is STC89C58RD. central air-conditioning control system of the next crew part of that process.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001258s ]
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:0.089815s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001233s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001940s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001249s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003671s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001117s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003297s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015183s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001439s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 283660 [ RunTime:0.001432s ]
