DCD PVD_IRQHandler ; PVD through EXTI Line detection DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line DCD FLASH_IRQHandler ; FLASH DCD RCC_IRQHandler ; RCC DCD EXTI0_IRQHandler ; EXTI Line0 DCD EXTI1_IRQHandl...
NVIC_Init(&nvci_init); }voidEXTI9_5_IRQHandler(void) { delay_ms(5);//消除抖动if(KEY0==0) { LED2=!LED2; LED3=!LED3; printf("\t按键0\n"); }if(KEY1==0) { LED4=!LED4; LED5=!LED5; printf("\t按键1\n"); } EXTI_ClearITPendingBit(EXTI9_5_IRQn); } 实测有效...
EXPORT EXTI4_IRQHandler EXPORT EXTI9_5_IRQHandler EXPORT EXTI15_10_IRQHandler 0--4线每个中断对应一个中断函数,中断线5--9公用中断函数EXTI9_5_IRQHander,中断线10- -15共用中断函数EXTI15_10_IRQHander, 2.6 中断函数编写技巧 2.6.1 在编写中断函数时,通常先判断中断线上的中断是否发生;用函数ITStatus ...
主要功能：初始化堆栈指针 SP;初始化程序计数器指针 PC;设置堆、栈的大小;设置中断向量表的入口地址;调...
EXTI2_IRQHander EXTI3_IRQHander EXTI4_IRQHander EXTI9_5_IRQHander EXTI15_10_IRQHander 外部中断常用库函数 void SYSCFG_EXTILineConfig() //设置IO口与中断线关系 void EXTI_Init() //初始化中断线,触发方式等 ITStatus EXTI_GetITStatus() //判断中断线状态,是否发生 ...
EXTI0_IRQHandlerEXTI1_IRQHandlerEXTI2_IRQHandlerEXTI3_IRQHandlerEXTI4_IRQHandlerEXTI9_5_IRQHandler EXTI15_10_IRQHandler 十、STM32有几个时钟源 STM32 有5个时钟源:HSI、HSE、LSI、LSE、PLL。 ①、HSI是高速内部时钟,RC振荡器,频率为8MHz,精度不高。
答: void EXTI9_5_IRQHandler (void) { //确保是否产生了EXTI Line中断 if(EXTI_GetITStatus(EXTI_Line5) != RESET) { //清除中断标志位 EXTI_ClearITPendingBit(EXTI_Line5); // LED状态转换 GPIO_ToggleBits(GPIOB, GPIO_Pin_2); } }©
EXTI9_5_IRQHandler(void){ if(EXTI->PR&(1<<5)!=0){ LED_ON;} EXTI->PR = (1<<5); ...
voidEXTI9_5_IRQHandler(void) [ 〃确保是否产生了EXTILine中断 if(EXTl_GetlTStatus(EXTl_Line5)!=RESET) { 〃清除中断标志位 EXTl_ClearITPendingBit(EXTI_Line5); //LED状态转换 GPIO_ToggleBits(GPIOB,GPIO_Pin_2); I } 《嵌入式系统设计(基于STM32F429) 第8章课后题参考答案 系统时钟的三个输入选择...
EXTI9_5_IRQHandler ;EXTI Line 5~9 EXTI15_10_IRQHandler ;EXTI Line 10~15 ***/voidEXTI4_IRQHandler(void){//确保产生了 EXTI Line 中断if(EXTI_GetITStatus(EXTI_Line4)!=RESET){LED2_REV;//清除中断标志位EXTI_ClearITPendingBit(EXTI_Line4);}} 主函数main.c: #include"stm32f10x.h"#include"...