#include?“beep.h“


	???

//初始化PE8為輸出口.并使能這個(gè)口的時(shí)鐘		????
//蜂鳴器初始化
void?BEEP_Init（void）
{
?
?GPIO_InitTypeDef??GPIO_InitStructure;
?	
?RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOE?ENABLE）;	?//使能GPIOE端口時(shí)鐘
?
?GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_2;				?//BEEP-->PE.4?端口配置
?GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_Out_PP;?		?//推挽輸出
?GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;	?//速度為50MHz
?GPIO_Init（GPIOE?&GPIO_InitStructure）;	?//根據(jù)參數(shù)初始化GPIOE.4
?
?GPIO_ResetBits（GPIOEGPIO_Pin_2）;//輸出0，關(guān)閉蜂鳴器輸出


}
void?BEEP_Ring（uint16_t?time）?//蜂鳴器短鳴
{	
	GPIO_SetBits（GPIOEGPIO_Pin_2）;??
	delay_ms（time）;
	GPIO_ResetBits（GPIOEGPIO_Pin_2）;	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????727??2017-04-19?15:47??stm32f103_encoder\Board\beep\beep.c

?????文件????????236??2017-04-19?15:47??stm32f103_encoder\Board\beep\beep.h

?????文件????????520??2018-11-18?19:57??stm32f103_encoder\Board\encoder\encoder.c

?????文件????????209??2018-11-18?20:00??stm32f103_encoder\Board\encoder\encoder.h

?????文件???????8863??2017-01-12?11:00??stm32f103_encoder\Board\flash\flash.c

?????文件???????2238??2018-01-29?17:05??stm32f103_encoder\Board\flash\flash.h

?????文件???????9018??2017-01-12?05:27??stm32f103_encoder\Board\flash\新建文件夾\flash.c

?????文件???????1890??2016-11-18?15:27??stm32f103_encoder\Board\flash\新建文件夾\flash.h

?????文件????????534??2018-10-18?15:27??stm32f103_encoder\Board\HC-SR501\human_induction.c

?????文件????????382??2018-10-18?15:25??stm32f103_encoder\Board\HC-SR501\human_induction.h

?????文件???????2914??2018-09-29?11:37??stm32f103_encoder\Board\JSN-SR04T\jsn-sr04t.c

?????文件????????586??2018-09-29?11:37??stm32f103_encoder\Board\JSN-SR04T\jsn-sr04t.h

?????文件???????2455??2017-02-18?15:00??stm32f103_encoder\Board\key\key.c

?????文件????????610??2017-02-15?16:41??stm32f103_encoder\Board\key\key.h

?????文件????????632??2016-11-25?18:30??stm32f103_encoder\Board\led\led.c

?????文件????????249??2016-11-18?16:02??stm32f103_encoder\Board\led\led.h

?????文件???????1571??2018-08-15?23:32??stm32f103_encoder\Board\max6675\max6675.c

?????文件????????403??2018-08-15?23:27??stm32f103_encoder\Board\max6675\max6675.h

?????文件????????524??2018-10-18?12:52??stm32f103_encoder\Board\photoresistor\photoresistor.c

?????文件????????346??2018-10-18?16:03??stm32f103_encoder\Board\photoresistor\photoresistor.h

?????文件????????567??2018-10-18?14:39??stm32f103_encoder\Board\relay\relay.c

?????文件????????296??2018-10-19?09:55??stm32f103_encoder\Board\relay\relay.h

?????文件????????846??2018-11-02?23:58??stm32f103_encoder\Board\servo\servo.c

?????文件????????335??2018-11-02?23:48??stm32f103_encoder\Board\servo\servo.h

?????文件???????6558??2018-10-28?10:05??stm32f103_encoder\Board\ws2812\ws2812.c

?????文件????????934??2018-10-28?12:12??stm32f103_encoder\Board\ws2812\ws2812.h

?????文件????????426??2018-01-29?15:57??stm32f103_encoder\Chip\chip\chip.c

?????文件???????3287??2018-01-29?16:12??stm32f103_encoder\Chip\chip\chip.h

?????文件???????1404??2016-11-17?10:22??stm32f103_encoder\Chip\delay\delay.c

?????文件????????175??2018-01-29?16:33??stm32f103_encoder\Chip\delay\delay.h

............此處省略117個(gè)文件信息