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:0.001017s ]
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:0.075121s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001220s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001054s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002987s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000920s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001217s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 152292 [ RunTime:0.016096s ]
