这是三星arm s3c44b0x开发板上的一些实例程序，包括lcd，led，key，pwm，uart等-arm s3c44b0x development board some examples of procedures, including LCD, led, key, PWM, UART, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001411s ]
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:0.100321s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001369s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001981s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001459s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003717s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003358s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014634s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001569s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 299770 [ RunTime:0.001416s ]
