#include?“beep.h“
//////////////////////////////////////////////////////////////////////////////////	?


//蜂鳴器驅動代碼	???


//修改日期:2012/9/2
//版本：V1.0


//All?rights?reserved									??
//////////////////////////////////////////////////////////////////////////////////?	???

//初始化PB8為輸出口.并使能這個口的時鐘		????
//蜂鳴器初始化
void?BEEP_Init（void）
{
	RCC->APB2ENR|=1<<3;????	//使能PORTB時鐘	???	??
	GPIOB->CRH&=0XFFFFFFF0;?
	GPIOB->CRH|=0X00000003;	//PB.8?推挽輸出????
	BEEP=0;					//關閉蜂鳴器輸出
}

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

?????文件????????554??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\BEEP\beep.c

?????文件????????482??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\BEEP\beep.h

?????文件???????1723??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\EXTI\exti.c

?????文件????????447??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\EXTI\exti.h

?????文件???????1233??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\KEY\key.c

?????文件????????626??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\KEY\key.h

?????文件??????16156??2012-08-02?00:02??實驗15?RTC實驗\HARDWARE\LCD\FONT.H

?????文件??????48362??2017-11-25?21:09??實驗15?RTC實驗\HARDWARE\LCD\ILI93xx.c

?????文件???????8320??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\LCD\LCD.h

?????文件????????735??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\LED\led.c

?????文件????????486??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\LED\led.h

?????文件???????6768??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\OLED\oled.c

?????文件???????1408??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\OLED\oled.h

?????文件??????16174??2012-08-02?00:05??實驗15?RTC實驗\HARDWARE\OLED\oledfont.h

?????文件???????6255??2017-11-25?21:09??實驗15?RTC實驗\HARDWARE\RTC\rtc.c

?????文件????????999??2017-11-25?21:09??實驗15?RTC實驗\HARDWARE\RTC\rtc.h

?????文件???????4254??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\TIMER\timer.c

?????文件????????867??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\TIMER\timer.h

?????文件???????3877??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\TPAD\tpad.c

?????文件????????719??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\TPAD\tpad.h

?????文件???????1998??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\WDG\wdg.c

?????文件????????652??2017-11-25?21:08??實驗15?RTC實驗\HARDWARE\WDG\wdg.h

?????文件????????399??2011-05-09?18:17??實驗15?RTC實驗\keilkill.bat

?????文件??????71998??2013-04-07?11:41??實驗15?RTC實驗\OBJ\test.hex

?????文件????????123??2017-11-25?21:05??實驗15?RTC實驗\README.TXT

?????文件???????4835??2017-11-25?21:08??實驗15?RTC實驗\SYSTEM\delay\delay.c

?????文件???????1328??2017-11-25?21:08??實驗15?RTC實驗\SYSTEM\delay\delay.h

?????文件???????2225??2009-05-07?14:42??實驗15?RTC實驗\SYSTEM\sys\cortexm3_macro.h

?????文件???????6194??2009-05-07?14:42??實驗15?RTC實驗\SYSTEM\sys\stm32f10x_conf.h

?????文件???????4529??2012-12-18?12:35??實驗15?RTC實驗\SYSTEM\sys\stm32f10x_it.h

............此處省略43個文件信息