是avrfreaks上的一个DS1302的例子，我把它和HD44780结合起来用Proteus仿真
仿真环境：Proteus sp5
编程环境：winavr -avrfreaks is one of the DS1302 example, I put it on HD44780 combined with Proteus simulation simulation environment : Proteus sp5 programming environment : winavr
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002463s ]
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:0.106880s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002453s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002568s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002682s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004363s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.006394s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003451s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015464s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002662s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 233455 [ RunTime:0.001322s ]
