是一个用8051驱动18b20温度传感器程序，同时带有crc检验,使用c语言编写，里面有详细的说明。-8051 with a temperature sensor-driven 18b20 procedures, and with unicef.org testing, use c language, which has detailed explanations.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000969s ]
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:0.058565s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001009s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001273s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000956s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003034s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000862s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003821s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014890s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001120s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 312363 [ RunTime:0.011584s ]
