AVR单片机ATmega128的串口通讯程序，根据输入的数据，点亮不同的指示灯，可以验证串口通讯的正确性。-AVR ATmega128 serial communications procedures, data entry, lit the lights come on, can verify the correctness of serial communications.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001921s ]
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:0.149230s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001665s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001292s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001140s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001415s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 201093 [ RunTime:0.001222s ]
