/*主函数*/
#include "stm32f10x.h"
#include "led.h"
#include "beep.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "usart.h"
//void MyusartInit(void);
int main(void)
{
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
MyusartInit();
LED_Init();
while(1);
}
/*串口初试化和中断函数*/
#include "usart.h"
#include "sys.h"
#include "stm32f10x.h"
#include "led.h"
#include "delay.h"
void MyusartInit(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
USART_InitTypeDef USART_InitStruct;
NVIC_InitTypeDef NVIC_InitStruct;
//ê1Äüê±Öó
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);
//GPIO3õê¼»ˉ
GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF_PP;
GPIO_InitStruct.GPIO_Pin=GPIO_Pin_9;
GPIO_InitStruct.GPIO_Speed=GPIO_Speed_10MHz;
GPIO_Init(GPIOA,&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Mode=GPIO_Mode_IN_FLOATING;
GPIO_InitStruct.GPIO_Pin=GPIO_Pin_10;
//GPIO_InitStruct.GPIO_Speed=GPIO_Speed_10MHz;
GPIO_Init(GPIOA,&GPIO_InitStruct);
//′®¿ú3õê¼»ˉ
USART_InitStruct.USART_BaudRate=115200;
USART_InitStruct.USART_HardwareFlowControl=USART_HardwareFlowControl_None;
USART_InitStruct.USART_Mode=USART_Mode_Tx|USART_Mode_Rx;
USART_InitStruct.USART_Parity=USART_Parity_No;
USART_InitStruct.USART_StopBits=USART_StopBits_1;
USART_InitStruct.USART_WordLength=USART_WordLength_8b;
USART_Init(USART1,&USART_InitStruct);
USART_Cmd(USART1,ENABLE);//ê1Äü′®¿ú1
//¿aÆô½óêÕÖD¶Ï
USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);
NVIC_InitStruct.NVIC_IRQChannel=USART1_IRQn;
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority=1;
NVIC_InitStruct.NVIC_IRQChannelSubPriority=1;
NVIC_InitStruct.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStruct);
}
void USART1_IRQHandler(void)
{
u8 res = NULL;
if(USART_GetITStatus(USART1,USART_IT_RXNE))
{
res=USART_ReceiveData(USART1);
//USART_SendData(USART1,res);
if(res=='1')
{
printf("LED1(ON)");
LED0;
delay_ms(1000);
}
else if(res=='0')
{
printf("LED1(ON)");
GPIO_SetBits(GPIOB,GPIO_Pin_5);
delay_ms(1000);
}
}
}
友情提示: 此问题已得到解决,问题已经关闭,关闭后问题禁止继续编辑,回答。
2. 把里面的delay函数干掉,中断里不要加delay
3. 检查你的LED初始化了没,有没有初始化为输出模式
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