指南描述了一组用于SPI协议软件实现的低级程序，在主模式中所有的通信都来自AVR-guide describes a group SPI protocol software for the realization of the low-level procedures, the main mode of communication are all from the AVR
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001126s ]
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:0.063713s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000987s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001147s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000894s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003125s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000966s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003666s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014389s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001191s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 131634 [ RunTime:0.014773s ]
