这些小活动你都参加了吗?快来围观一下吧!>>
电子产品世界 » 论坛首页 » 高校专区 » 漓东e学堂 » 32号的作业本 更新

共34条 1/4 1 2 3 4 跳转至

32号的作业本 更新

菜鸟
2014-10-21 16:56:35     打赏

菜鸟
2014-10-22 23:41:35     打赏
2楼

菜鸟
2014-10-23 21:47:02     打赏
3楼
/**
  ******************************************************************************
  * @file    GPIO/IOToggle/main.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main program body.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
GPIO_InitTypeDef GPIO_InitStructure;

void RCC_Configuration(void)
{
  RCC_DeInit();
    
  RCC_HSICmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
  
  RCC_HSEConfig(RCC_HSE_OFF);
  RCC_LSEConfig(RCC_LSE_OFF);
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); 
  RCC_PLLCmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);
  RCC_PCLK2Config(RCC_HCLK_Div1);
  RCC_PCLK1Config(RCC_HCLK_Div2);
  RCC_HCLKConfig(RCC_SYSCLK_Div1);
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
  while(RCC_GetSYSCLKSource() != 0x08);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOD, &GPIO_InitStructure);
	GPIO_ResetBits(GPIOD,GPIO_Pin_2);//蜂鸣器关
}

void GPIO_INIT()  
{  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;     
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOA, &GPIO_InitStructure);   
    GPIO_Init(GPIOC, &GPIO_InitStructure);  
}  

void delay_us(u32 n)//延时函数声明
{
	u8 j;
	while(n--)
	for(j=0;j<10;j++);
}

void  delay_ms(u32 n)
{
	while(n--)
	delay_us(1000);
}


/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{ 
	RCC_Configuration();
 GPIO_INIT();
	 GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
	 GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
	while(1){
	  GPIO_ResetBits(GPIOC,GPIO_Pin_7);//6灯亮
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_7);//6灯灭
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_3);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_3);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_6);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_6);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_2);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_2);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_5);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_5);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_1);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_1);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_4);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_4);
		delay_ms(80);
			  GPIO_ResetBits(GPIOC,GPIO_Pin_0);
		delay_ms(80);
		GPIO_SetBits(GPIOC,GPIO_Pin_0);
		delay_ms(80);
		   GPIO_ResetBits(GPIOA,GPIO_Pin_1);  //蓝灯亮
        delay_ms(1500);        
        GPIO_SetBits(GPIOA,GPIO_Pin_1);  //蓝灯亮
         
         GPIO_ResetBits(GPIOA,GPIO_Pin_3); //绿灯亮
        delay_ms(1500);        
        GPIO_SetBits(GPIOA,GPIO_Pin_3);    //绿灯灭
        GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2);  //蓝+红=紫
        delay_ms(1500);        
        GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2);  
				GPIO_ResetBits(GPIOA,GPIO_Pin_2|GPIO_Pin_3);  //红+绿=黄
        delay_ms(1500);        
        GPIO_SetBits(GPIOA,GPIO_Pin_2|GPIO_Pin_3); 
		}
		 
		
}

 


菜鸟
2014-10-23 21:51:17     打赏
4楼

菜鸟
2014-10-30 23:27:24     打赏
5楼
 * @file    GPIO/IOToggle/main.c  
  * @author  MCD Application Team 
  * @version V3.5.0 
  * @date    08-April-2011 
  * @brief   Main program body. 
  ****************************************************************************** 
  * @attention 
  * 
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS 
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE 
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY 
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING 
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE 
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. 
  * 
  * 
 
    ? COPYRIGHT 2011 STMicroelectronics 
 
****************************************************************************** 
  */   
  
/* Includes ------------------------------------------------------------------*/  
#include "stm32f10x.h"  
#include "stm32_eval.h"  
GPIO_InitTypeDef GPIO_InitStructure;  
  
void RCC_Configuration(void)  
{  
  RCC_DeInit();  
      
  RCC_HSICmd(ENABLE);  
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);  
    
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);  
    
  RCC_HSEConfig(RCC_HSE_OFF);  
  RCC_LSEConfig(RCC_LSE_OFF);  
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz  
  RCC_PLLCmd(ENABLE);  
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);  
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);  
  RCC_PCLK2Config(RCC_HCLK_Div1);  
  RCC_PCLK1Config(RCC_HCLK_Div2);  
  RCC_HCLKConfig(RCC_SYSCLK_Div1);  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);  
  while(RCC_GetSYSCLKSource() != 0x08); 	
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);  
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE); 
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOD, &GPIO_InitStructure);  
    GPIO_ResetBits(GPIOD,GPIO_Pin_2);  
}  
  
void GPIO_INIT()  
{  
  
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;  
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
      GPIO_Init(GPIOC, &GPIO_InitStructure);  
      
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
      
}  
  
void delay_us(u32 n)   
{  
    u8 j;  
    while(n--)  
    for(j=0;j<10;j++);  
}  
  
void  delay_ms(u32 n)     
{  
    while(n--)  
    delay_us(1000);  
}  
   
 

void huihui(int i)
{  
           GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
           GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);  
        switch(i)
	{  
         case 0 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8);  
         break;  
         case 1 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 2 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5);  
         break;  
         case 3 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_5);  
         break;  
         case 4 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5);  
         break;  
         case 5 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_8|GPIO_Pin_5);  
         break;  
         case 6 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8|GPIO_Pin_5);  
         break;  
         case 7 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 8 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);  
         break;  
         case 9 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
             GPIO_ResetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14);  
         break;  
         case 10 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 11 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 12 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 13 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_5);  
                         delay_ms(110);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_5);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(150);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 14 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5);  
                         delay_ms(110);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(150);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
         case 15 :   
             GPIO_SetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_8|GPIO_Pin_5);  
                         delay_ms(110);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_1);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_8|GPIO_Pin_5);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
                         delay_ms(150);  
                         GPIO_ResetBits(GPIOB,GPIO_Pin_15);  
                         GPIO_SetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);  
         break;  
        }  
    }  

        
 
  
  
      
  
int main(void)     
{        
      char jishuqi1 = 0, jishuqi2 = 0,count=0;    
      RCC_Configuration();    
         GPIO_INIT();       
      GPIO_SetBits(GPIOB,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);  
	   while(1){  
     if(!GPIO_ReadInputDataBit (GPIOC,GPIO_Pin_10))  
      {  
                    delay_ms(100);  
         if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10))  
               {  
                                 count++;    
              }  
                        }  
             if(count%2==1){     
                                                            if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8))    
                                                 {   delay_ms(80);     
                                                             if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8))  
                                                                             {jishuqi1++;}  
                                                            }    
                                                                if(jishuqi1>15)  
                                                                  {jishuqi1=0;}   
																	 huihui(jishuqi1);  
            }  
      
       if(count%2==0){  
           if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9))  
         {delay_ms(80);     
          if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)){jishuqi2++;}}    
                 if(jishuqi2>100){jishuqi2=0;}    
                  huihui(jishuqi2);}  
     
       }     
  
   }

 


高工
2014-10-30 23:28:35     打赏
6楼

能不能来点解释性的语句

直接copy过来可不好


菜鸟
2014-10-30 23:43:17     打赏
7楼

菜鸟
2014-10-30 23:47:24     打赏
8楼

高工
2014-10-30 23:51:48     打赏
9楼

靓仔,代码有了,注释呢?

能不能多敲几个字,表明你在思考而不是在ctrl+c


菜鸟
2014-11-27 22:41:34     打赏
10楼
/**
  ******************************************************************************
  * @file    EXTI/EXTI_Config/main.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */ 


/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
#include <stdio.h>
/** @addtogroup STM32F10x_StdPeriph_Examples
  * @{
  */


/** @addtogroup EXTI_Config
  * @{
  */ 


/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
EXTI_InitTypeDef   EXTI_InitStructure;
GPIO_InitTypeDef   GPIO_InitStructure;
NVIC_InitTypeDef   NVIC_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;
/* Private function prototypes -----------------------------------------------*/
void EXTIkeyS1_Config(void);
void EXTIkeyS2_Config(void);
void EXTIkeyS3_Config(void);
void EXTIkeyS4_Config(void);
void RCC_Configuration(void)
{
  RCC_DeInit();
    
  RCC_HSICmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
  
  RCC_HSEConfig(RCC_HSE_OFF);
  RCC_LSEConfig(RCC_LSE_OFF);
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz
  RCC_PLLCmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);
  RCC_PCLK2Config(RCC_HCLK_Div1);
  RCC_PCLK1Config(RCC_HCLK_Div2);
  RCC_HCLKConfig(RCC_SYSCLK_Div1);
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
  while(RCC_GetSYSCLKSource() != 0x08);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_ResetBits(GPIOD,GPIO_Pin_2);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_ResetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
}


void USART_int(long BaudRate)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);
       GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
    
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    /* PA10 USART1_Rx  */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
  /* USARTx configured as follow:
        - BaudRate = 115200 baud  
        - Word Length = 8 Bits
        - One Stop Bit
        - No parity
        - Hardware flow control disabled (RTS and CTS signals)
        - Receive and transmit enabled
  */
  USART_InitStructure.USART_BaudRate = BaudRate;//??????
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1
  USART_InitStructure.USART_Parity = USART_Parity_No;//????
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//??????????
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;     
    USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;      
    USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;      
    USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
    USART_ClockInit(USART1, &USART_ClockInitStructure);
  USART_Init(USART1, &USART_InitStructure);
  USART_Cmd(USART1, ENABLE);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
 USART_Cmd(USART1, ENABLE);
 
  /* Configure four bit for preemption priority */
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
  /* Enable the USART1 Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; //
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}


/* Private functions ---------------------------------------------------------*/



  * @param  None
  * @retval None
  */
int main(void)
{RCC_Configuration();
  
  /* Configure PA.00 in interrupt mode */
  EXTIkeyS1_Config();


  /* Configure PB.09 or PG.08 in interrupt mode */
  EXTIkeyS2_Config();
  
EXTIkeyS3_Config();
EXTIkeyS4_Config();

USART_int(115200);

          
  while (1)
  {
  }
}


/**
  * @brief  Configure PA.00 in interrupt mode
  * @param  None
  * @retval None
  */
void EXTIkeyS1_Config(void)
{
  /* Enable GPIOA clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  
  /* Configure PA.00 pin as input floating */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);


  /* Enable AFIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);


  /* Connect EXTI0 Line to PA.00 pin */
  


  /* Configure EXTI0 line */
  EXTI_InitStructure.EXTI_Line = EXTI_Line8;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;  
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);


  /* Enable and set EXTI0 Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}


/**
  * @brief  Configure PB.09 or PG.08 in interrupt mode
  * @param  None
  * @retval None
  */
void EXTIkeyS2_Config(void)
{
  /* Enable GPIOB clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);


  /* Configure PB.09 pin as input floating */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);


  /* Enable AFIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  /* Connect EXTI9 Line to PB.09 pin */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource9);


  /* Configure EXTI9 line */
  EXTI_InitStructure.EXTI_Line = EXTI_Line9;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);


  /* Enable and set EXTI9_5 Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;


  NVIC_Init(&NVIC_InitStructure);
}


void EXTIkeyS3_Config(void)
{
  /* Enable GPIOB clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);


  /* Configure PB.10 pin as input floating */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);


  /* Enable AFIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  /* Connect EXTI10 Line to PB.09 pin */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource9);


  /* Configure EXTI10 line */
  EXTI_InitStructure.EXTI_Line = EXTI_Line10;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);


  /* Enable and set EXTI15_10 Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;


  NVIC_Init(&NVIC_InitStructure);
}


void EXTIkeyS4_Config(void)
{
  /* Enable GPIOB clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);


  /* Configure PB.11 pin as input floating */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOC, &GPIO_InitStructure);


  /* Enable AFIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
  /* Connect EXTI11 Line to PB.09 pin */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource9);


  /* Configure EXTI11 line */
  EXTI_InitStructure.EXTI_Line = EXTI_Line11;
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);


  /* Enable and set EXTI15_10 Interrupt to the lowest priority */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;


  NVIC_Init(&NVIC_InitStructure);
}




/******************************************************************************/
/*            STM32F10x Peripherals Interrupt Handlers                        */
/******************************************************************************/


/**
  * @brief  This function handles External lines 9 to 5 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI9_5_IRQHandler(void)
{
  if(EXTI_GetITStatus(EXTI_Line9) != RESET)
  {
    /* Toggle LED2 */
     GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
printf("S2 interrupt ......\r\n");
    /* Clear the  EXTI line 9 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line9);
  }
if(EXTI_GetITStatus(EXTI_Line8) != RESET)
  {
    /* Toggle LED1 */
     GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
printf("S1 interrupt ......\r\n");
    /* Clear the  EXTI line 0 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line8);
  }
}


void EXTI15_10_IRQHandler(void)
{
  if(EXTI_GetITStatus(EXTI_Line10) != RESET)
  {
    /* Toggle LED2 */
     GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
printf("S2 interrupt ......\r\n");
    /* Clear the  EXTI line 10 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line9);
  }
if(EXTI_GetITStatus(EXTI_Line11) != RESET)
  {
    /* Toggle LED1 */
     GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);
printf("S1 interrupt ......\r\n");
    /* Clear the  EXTI line 11 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line8);
  }
}




#ifdef  USE_FULL_ASSERT


/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)

  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */


  /* Infinite loop */
  while (1)
  {
  }
}


#endif


/**
  * @}
  */ 


/**
  * @}
  */ 


#ifdef __GNUC__
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
     set to 'Yes') calls __io_putchar() */
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
  




/**
  * @brief  Retargets the C library printf function to the USART.
  * @param  None
  * @retval None
  */
PUTCHAR_PROTOTYPE
{
  /* Place your implementation of fputc here */
  /* e.g. write a character to the USART */
  USART_SendData(EVAL_COM1, (uint8_t) ch);


  /* Loop until the end of transmission */
  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
  {}


  return ch;
}


#ifdef  USE_FULL_ASSERT


/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)

  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */


  /* Infinite loop */
  while (1)
  {
  }
}


#endif


/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

共34条 1/4 1 2 3 4 跳转至

回复

匿名不能发帖!请先 [ 登陆 注册 ]