这是用PIC单片机做的DTMF信号解码，用的是汇编语言。已经通过实验了。有兴趣的人可以看一下。-This is a single-chip microcomputer PIC to do with the DTMF signal decoding, using assembly language. Has passed the test. Those who are interested can look at.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002665s ]
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:0.087915s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001985s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002161s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003631s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002169s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014874s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002437s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111828 [ RunTime:0.001212s ]
