#include“exti.h“
#include“l(fā)ed.h“
#include“SysTick.h“
#include“pwm.h“

/*******************************************************************************
*?函?數(shù)?名?????????:?My_EXTI_Init
*?函數(shù)功能		???:?外部中斷初始化
*?輸????入?????????:?無
*?輸????出?????????:?無
*******************************************************************************/
void?My_EXTI_Init（void）
{
	NVIC_InitTypeDef?NVIC_InitStructure;
	EXTI_InitTypeDef?EXTI_InitStructure;
	
	RCC_APB2PeriphClockCmd（RCC_APB2Periph_AFIOENABLE）;
	
	GPIO_EXTILineConfig（GPIO_PortSourceGPIOA?GPIO_PinSource0）;//選擇GPIO管腳用作外部中斷線路
	
	
	//EXTI0?NVIC?配置
	NVIC_InitStructure.NVIC_IRQChannel?=?EXTI0_IRQn;//EXTI0中斷通道
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;//搶占優(yōu)先級
	NVIC_InitStructure.NVIC_IRQChannelSubPriority?=3;		//子優(yōu)先級
	NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE;			//IRQ通道使能
	NVIC_Init（&NVIC_InitStructure）;	//根據指定的參數(shù)初始化VIC寄存器
	
	EXTI_InitStructure.EXTI_Line=EXTI_Line0;
	EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
	EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;
	EXTI_InitStructure.EXTI_LineCmd=ENABLE;
	EXTI_Init（&EXTI_InitStructure）;

}

/*******************************************************************************
*?函?數(shù)?名?????????:?EXTI0_IRQHandler
*?函數(shù)功能		???:?外部中斷0函數(shù)
*?輸????入?????????:?無
*?輸????出?????????:?無
*******************************************************************************/
void?EXTI0_IRQHandler（void）
{
	if（EXTI_GetITStatus（EXTI_Line0）==0）
	{
		pwm（300665665300）;?delay_s（1）;?//前進
		while（1）;
//		?pwm（665300665300）;?delay_ms（125）;?//左轉
//		?pwm（300665665300）;?delay_s（1）;?//前進
//		?pwm（300665300665）;?delay_ms（125）;?//右轉
//		?pwm（300665665300）;?delay_s（1）;?//前進
//		?pwm（300665300665）;?delay_ms（125）;?//右轉
//		?pwm（300665665300）;?delay_s（1）;?//前進
//		?pwm（665300665300）;?delay_ms（125）;?//左轉
	}
	EXTI_ClearITPendingBit（EXTI_Line0）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-07-15?21:15??智能小車\
?????目錄???????????0??2020-07-15?21:15??智能小車\APP\
?????目錄???????????0??2020-07-15?21:15??智能小車\APP\exti\
?????文件????????2020??2020-07-09?11:20??智能小車\APP\exti\exti.c
?????文件??????????97??2016-08-26?10:59??智能小車\APP\exti\exti.h
?????目錄???????????0??2020-07-15?21:15??智能小車\APP\exti2\
?????文件????????4027??2020-07-09?10:53??智能小車\APP\exti2\exti2.c
?????文件?????????155??2020-07-09?10:53??智能小車\APP\exti2\exti2.h
?????目錄???????????0??2020-07-15?21:15??智能小車\APP\led\
?????文件????????2797??2020-07-09?15:00??智能小車\APP\led\led.c
?????文件?????????718??2020-07-09?11:30??智能小車\APP\led\led.h
?????目錄???????????0??2020-07-15?21:15??智能小車\APP\pwm\
?????文件????????3921??2020-07-08?17:26??智能小車\APP\pwm\pwm.c
?????文件?????????490??2020-07-08?17:26??智能小車\APP\pwm\pwm.h
?????目錄???????????0??2020-07-15?21:15??智能小車\Libraries\
?????目錄???????????0??2020-07-15?21:15??智能小車\Libraries\CMSIS\
?????文件???????17273??2010-06-07?10:25??智能小車\Libraries\CMSIS\core_cm3.c
?????文件???????85714??2011-02-09?14:59??智能小車\Libraries\CMSIS\core_cm3.h
?????文件???????15503??2011-03-10?10:52??智能小車\Libraries\CMSIS\startup_stm32f10x_md.s
?????文件???????36557??2011-03-10?10:51??智能小車\Libraries\CMSIS\system_stm32f10x.c
?????文件????????2085??2011-03-10?10:51??智能小車\Libraries\CMSIS\system_stm32f10x.h
?????目錄???????????0??2020-07-15?21:15??智能小車\Libraries\STM32F10x_StdPeriph_Driver\
?????目錄???????????0??2020-07-15?21:15??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\
?????文件????????8982??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\misc.h
?????文件???????21690??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_bkp.h
?????文件???????27559??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_can.h
?????文件????????6573??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_cec.h
?????文件????????2162??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_crc.h
?????文件???????15233??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dac.h
?????文件????????3818??2011-03-10?10:47??智能小車\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dbgmcu.h
............此處省略174個文件信息