STM32-12-LED灯设计与实现

lemon Lv5
  2025-07-22 23:03:44 2025-07-22 23:03:44 创建   2025-07-23 00:13:55 2025-07-23 00:13:55 更新      502 字  

1.代码

1.1 main.c
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#include "stm32f10x.h"
#include "sys.h"
#define KEY1 PCin(0)
#define KEY2 PCin(1)
#define KEY3 PCin(2)
#define KEY4 PCin(3)
#define LED1 PBout(8)
#define LED2 PBout(9)
#define LED3 PBout(10)
#define LED4 PBout(11)
u8 k1=1,k2=1,k3=1,k4=1;
void LED_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    GPIO_ResetBits(GPIOB, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11);//0
}

void KEY_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;//上拉输出
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOC, &GPIO_InitStructure);
}

void Delay(unsigned int count)
{
    unsigned int i;
    for (; count != 0; count--)
    {
        i = 5000;
        while (i--);
    }
}

u8 KEY_Scan(void)
{
 if(KEY1==0)
 {
	 Delay(20);
	 if(KEY1==0)
	 {
		 //LED1=k1;
		 //k1=!k1;
		 while(1)
		 {
			 if(KEY1==0)
				LED1=k1;
			 else
			 {
				 k1=!k1;
				 break;
			 }
		 }
	 }
 }
 if(KEY2==0)
 {
	 Delay(20);
	 if(KEY2==0)
	 {
		 while(1)
		 {
			 if(KEY2==0)
				LED2=k2;
			 else
			 {
				 k2=!k2;
				 break;
			 }
		 }
	 }
 }
 if(KEY3==0)
 {
	 Delay(20);
	 if(KEY3==0)
	 {
		 while(1)
		 {
			 if(KEY3==0)
				LED3=k3;
			 else
			 {
				 k3=!k3;
				 break;
			 }
		 }
	 }
 }
 if(KEY4==0)
 {
	 Delay(20);
	 if(KEY4==0)
	 {
		 while(1)
		 {
			 if(KEY4==0)
				LED4=k4;
			 else
			 {
				 k4=!k4;
				 break;
			 }
		 }
	 }
 }
    return 0;
}

int main(void)
{
    LED_Init();
		KEY_Init();
    while (1)
    { 
			KEY_Scan();
    }
}
1.2 sys.h
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#ifndef __SYS_H 
#define __SYS_H  
#include "stm32f10x.h" 

#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr & 0xFFFFF)<<5)+(bitnum<<2))  
 
#define MEM_ADDR(addr)  *((volatile unsigned long  *)(addr))  
#define BIT_ADDR(addr, bitnum)   MEM_ADDR(BITBAND(addr, bitnum))  

#define GPIOA_ODR_Addr    (GPIOA_BASE+12)   //0x4001080C 
#define GPIOB_ODR_Addr    (GPIOB_BASE+12)   //0x40010C0C 
#define GPIOC_ODR_Addr    (GPIOC_BASE+12)   //0x4001100C 
#define GPIOD_ODR_Addr    (GPIOD_BASE+12)   //0x4001140C 
#define GPIOE_ODR_Addr    (GPIOE_BASE+12)   //0x4001180C 
#define GPIOF_ODR_Addr    (GPIOF_BASE+12)   //0x40011A0C 
#define GPIOG_ODR_Addr    (GPIOG_BASE+12)   //0x40011E0C 

#define GPIOA_IDR_Addr    (GPIOA_BASE+8)   //0x40010808 
#define GPIOB_IDR_Addr    (GPIOB_BASE+8)   //0x40010C08 
#define GPIOC_IDR_Addr    (GPIOC_BASE+8)   //0x40011008 
#define GPIOD_IDR_Addr    (GPIOD_BASE+8)   //0x40011408 
#define GPIOE_IDR_Addr    (GPIOE_BASE+8)   //0x40011808 
#define GPIOF_IDR_Addr    (GPIOF_BASE+8)   //0x40011A08 
#define GPIOG_IDR_Addr    (GPIOG_BASE+8)   //0x40011E08 

#define PAout(n)   BIT_ADDR(GPIOA_ODR_Addr,n)  
#define PAin(n)    BIT_ADDR(GPIOA_IDR_Addr,n)    
#define PBout(n)   BIT_ADDR(GPIOB_ODR_Addr,n)   
#define PBin(n)    BIT_ADDR(GPIOB_IDR_Addr,n)    
#define PCout(n)   BIT_ADDR(GPIOC_ODR_Addr,n)    
#define PCin(n)    BIT_ADDR(GPIOC_IDR_Addr,n)    
#define PDout(n)   BIT_ADDR(GPIOD_ODR_Addr,n)    
#define PDin(n)    BIT_ADDR(GPIOD_IDR_Addr,n)    
#define PEout(n)   BIT_ADDR(GPIOE_ODR_Addr,n)   
#define PEin(n)    BIT_ADDR(GPIOE_IDR_Addr,n)   
#define PFout(n)   BIT_ADDR(GPIOF_ODR_Addr,n)    
#define PFin(n)    BIT_ADDR(GPIOF_IDR_Addr,n)   
#define PGout(n)   BIT_ADDR(GPIOG_ODR_Addr,n)  
#define PGin(n)    BIT_ADDR(GPIOG_IDR_Addr,n)   
#endif
1.3 sys.c
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#include "sys.h"

2.模拟图

a

代码下载链接（123云盘）：https://www.123684.com/s/wFuijv-i8Zgh

  • 标题: STM32-12-LED灯设计与实现
  • 作者: lemon
  • 创建于 : 2025-07-22 23:03:44
  • 更新于 : 2025-07-23 00:13:55
  • 链接: https://lemon2003.github.io/post/20250722230344.html
  • 版权声明: 本文章采用 CC BY-NC-SA 4.0 进行许可。
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目录
STM32-12-LED灯设计与实现
  1. 1.代码
  2. 2.模拟图