新华龙020 的内置spi0。驱动16位精度dac8831的程序，采用单端方式输出正弦波-Hualong 020 new built-spi0. Dac8831 drive 16-bit accuracy of the procedures, the use of single-ended sine wave output
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001000s ]
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:0.086366s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001178s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000921s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003118s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000854s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003712s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015144s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001147s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 212654 [ RunTime:0.016560s ]
