STM32f103超声波模块例程

#include “beep.h“


void BEEP_Init（）	  //端口初始化
{
	GPIO_InitTypeDef GPIO_InitStructure;	//声明一个结构体变量，用来初始化GPIO

	RCC_APB2PeriphClockCmd（BEEP_PORT_RCCENABLE）;   /* 开启GPIO时钟 */

	/*  配置GPIO的模式和IO口 */
	GPIO_InitStructure.GPIO_Pin=BEEP_PIN;		//选择你要设置的IO口
	GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;		  //设置推挽输出模式
	GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;	  //设置传输速率
	GPIO_Init（BEEP_PORT&GPIO_InitStructure）; 	 /* 初始化GPIO */
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        508  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\beep\beep.c

     文件        260  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\beep\beep.h

     文件       4681  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\exti\exti.c

     文件         97  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\exti\exti.h

     文件       1923  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\key\key.c

     文件        941  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\key\key.h

     文件        763  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\led\led.c

     文件        382  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\led\led.h

     文件       1758  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\pwm\pwm.c

     文件        109  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\pwm\pwm.h

     文件        453  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\smg\smg.c

     文件        328  2018-06-22 13:17  STM32f103ZET6实现超声波测距\APP\smg\smg.h

     文件       4293  2018-10-31 10:54  STM32f103ZET6实现超声波测距\APP\time\time.c

     文件       4620  2018-10-31 10:12  STM32f103ZET6实现超声波测距\APP\time\time.c.orig

     文件        378  2018-10-31 10:43  STM32f103ZET6实现超声波测距\APP\time\time.h

     文件      70681  2018-10-31 10:52  STM32f103ZET6实现超声波测距\JlinkLog.txt

     文件        671  2018-10-31 10:23  STM32f103ZET6实现超声波测距\JlinkSettings.ini

     文件        399  2018-06-22 13:12  STM32f103ZET6实现超声波测距\keilkilll.bat

     文件      17273  2018-06-22 13:17  STM32f103ZET6实现超声波测距\Libraries\CMSIS\core_cm3.c

     文件      85714  2018-06-22 13:17  STM32f103ZET6实现超声波测距\Libraries\CMSIS\core_cm3.h

     文件      15503  2018-06-22 13:17  STM32f103ZET6实现超声波测距\Libraries\CMSIS\startup_stm32f10x_hd.s

     文件      36557  2018-06-22 13:17  STM32f103ZET6实现超声波测距\Libraries\CMSIS\system_stm32f10x.c

     文件       2085  2018-06-22 13:17  STM32f103ZET6实现超声波测距\Libraries\CMSIS\system_stm32f10x.h

     文件       8982  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\misc.h

     文件      21690  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_adc（1）.h

     文件       7555  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_bkp.h

     文件      27559  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_can.h

     文件       6573  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_cec.h

     文件       2162  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_crc.h

     文件      15233  2018-06-22 13:21  STM32f103ZET6实现超声波测距\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dac.h

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