linux串口编程，标准linux下，有参数设置，打开串口，关闭串口，读写串口等，需要就试试吧-linux serial port programming, standards, linux, there are parameter settings, open the serial port, close the serial port, read and write serial port and so on, need to try it
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001337s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001056s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000897s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001155s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 221371 [ RunTime:0.015168s ]
