用于监视I2C通信总线，反馈至PC显示，其中PA0为SCL，PA1为SDA，支持400kbps/100kbps两种I2C通讯模式-I2C communication bus for monitoring, feedback to the PC show for the PA0 one of SCL, PA1 for the SDA, to support the two I2C communication mode 400kbps/100kbps
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001431s ]
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:0.107287s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001401s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001414s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001171s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001333s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 152292 [ RunTime:0.001230s ]
