#include?“beep.h“


void?BEEP_Init（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	
	RCC_AHB1PeriphClockCmd（RCC_AHB1Periph_GPIOFENABLE）;
????
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_8;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_OUT;?????//普通輸出模式
	GPIO_InitStructure.GPIO_OType?=?GPIO_OType_PP;????//推挽輸出
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_100MHz;//100MHz
	GPIO_InitStructure.GPIO_PuPd?=?GPIO_PuPd_DOWN;????//下拉
	GPIO_Init（GPIOF&GPIO_InitStructure）;

	GPIO_ResetBits（GPIOFGPIO_Pin_8）;??//蜂鳴器對應引腳拉低，則不響

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????564??2020-06-17?21:53??多級菜單框架\app\beep.c

?????文件????????211??2020-06-18?13:31??多級菜單框架\app\beep.h

?????文件??????52956??2020-07-23?10:37??多級菜單框架\app\FONT.H

?????文件???????1490??2020-06-18?13:20??多級菜單框架\app\key.c

?????文件????????363??2020-06-18?13:25??多級菜單框架\app\key.h

?????文件??????93297??2020-07-23?10:29??多級菜單框架\app\lcd.c

?????文件???????5154??2020-07-22?22:59??多級菜單框架\app\lcd.h

?????文件????????714??2020-07-23?09:51??多級菜單框架\app\led.c

?????文件????????280??2020-07-23?09:51??多級菜單框架\app\led.h

?????文件???????7717??2020-07-23?12:30??多級菜單框架\app\menu.c

?????文件????????827??2020-07-23?10:01??多級菜單框架\app\menu.h

?????文件???????2449??2016-08-18?20:24??多級菜單框架\app\timer.c

?????文件????????215??2020-07-22?17:38??多級菜單框架\app\timer.h

?????文件???????2851??2017-11-21?16:21??多級菜單框架\DebugConfig\Menu_STM32F407ZGTx.dbgconf

?????文件???????2851??2017-11-21?16:21??多級菜單框架\DebugConfig\Template_STM32F407ZGTx.dbgconf

?????文件????????755??2020-06-10?11:47??多級菜單框架\JlinkSettings.ini

?????文件????????399??2011-04-23?10:24??多級菜單框架\keilkilll.bat

????.......?????94223??2020-07-23?15:43??多級菜單框架\menu.uvguix.shuaihua

?????文件??????25622??2020-07-23?00:02??多級菜單框架\menu.uvoptx

?????文件??????23984??2020-07-22?21:45??多級菜單框架\menu.uvprojx

?????文件?????105237??2020-07-23?12:38??多級菜單框架\output\Template.hex

?????文件?????109142??2014-07-17?21:52??多級菜單框架\startup\core_cm4.h

?????文件??????22735??2014-07-17?21:52??多級菜單框架\startup\core_cm4_simd.h

?????文件??????17146??2014-07-17?21:52??多級菜單框架\startup\core_cmFunc.h

?????文件??????20513??2014-07-17?21:52??多級菜單框架\startup\core_cmInstr.h

?????文件??????29605??2014-08-02?00:12??多級菜單框架\startup\startup_stm32f40_41xxx.s

?????文件???????6924??2014-08-01?23:18??多級菜單框架\stm32f40x_libraries\inc\misc.h

?????文件??????32880??2014-08-01?23:18??多級菜單框架\stm32f40x_libraries\inc\stm32f4xx_adc.h

?????文件??????27318??2014-08-01?23:18??多級菜單框架\stm32f40x_libraries\inc\stm32f4xx_can.h

?????文件???????2416??2014-08-01?23:18??多級菜單框架\stm32f40x_libraries\inc\stm32f4xx_crc.h

............此處省略89個文件信息