51读写cf卡源码
因工程需要存储大量的数据，今天参考参考德国人的一个基于avr的cf控制程序，移植了一个51上面使用的cf驱动程序-Cf card 51 to read and write source code because the project needs a large amount of data storage, today people refer to a reference to Germany avr based on the cf control procedures, transplantation of a 51 top used cf driver
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002044s ]
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:0.091021s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002620s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002147s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002225s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003695s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.004680s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003316s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015662s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003265s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 179408 [ RunTime:0.001383s ]
