stm32F4 PID 和FPU程序，来源于STM32F4_DISCOVERY_JULIA，包括库文件，LCD显示
Main Changes
First official release for STM32F40x/41x devices
stm32f4xx_rtc.c: remove useless code from RTC_GetDate() function
stm32f4xx_rcc.c, stm32f4xx_spi.c, stm32f4xx_wwdg.c and stm32f4xx_syscfg.c: driver"s comments update
文 件 列 表
STM32F4_DISCOVERY_JULIA CMSIS EWARM LCD STM32F4xx_StdPeriph_Driver Startup USER Utilities
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002719s ]
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:0.094537s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001236s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001959s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001210s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003720s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001004s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003348s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015460s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001366s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 282582 [ RunTime:0.001471s ]
