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23 作业本（时钟）

bushiseoer23

菜鸟

2014-10-17 18:15:35 打赏

只看楼主 1楼

STM调试 1L

keil 安装 http://forum.eepw.com.cn/thread/262406/1#5

LED RGB http://forum.eepw.com.cn/thread/262406/2#12

数码管输出 http://forum.eepw.com.cn/thread/262406/2#13

串口输出 http://forum.eepw.com.cn/thread/262406/3#24

外部中断 http://forum.eepw.com.cn/thread/262406/2#15

定时器中断 http://forum.eepw.com.cn/thread/262406/2#19

PWM-RGB http://forum.eepw.com.cn/thread/262406/2#20

ADC http://forum.eepw.com.cn/thread/262406/3#23

IIC http://forum.eepw.com.cn/thread/262406/3#21

SPI http://forum.eepw.com.cn/thread/262406/3#26

时钟 http://forum.eepw.com.cn/thread/262406/3#25

调试

bushiseoer23

菜鸟

2014-10-18 12:59:31 打赏

2楼

keil安装与破解

bushiseoer23

菜鸟

2014-10-23 16:56:37 打赏

3楼

视频地址：http://player.youku.com/player.php/sid/XODA5NjI0NDI4/v.swf
自己板子有缺陷，用的板子是别人的

#include "stm32f10x.h"

#include "stm32_eval.h"

/**

* @brief Main program.

* @param None

* @retval None

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);//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); } void GPIO_INIT() { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOA, ENABLE); 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_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOA, &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); } int main(void) { RCC_Configuration(); GPIO_INIT(); /*LED*/ while(1) { GPIO_ResetBits(GPIOC,GPIO_Pin_7);//亮D8

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_7); //灭D8

GPIO_ResetBits(GPIOC,GPIO_Pin_6);//亮D7

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_6); //灭D7

GPIO_ResetBits(GPIOC,GPIO_Pin_5);//亮D6

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_5); //灭D6

GPIO_ResetBits(GPIOC,GPIO_Pin_4);//亮D5

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_4); //灭D5

GPIO_ResetBits(GPIOC,GPIO_Pin_0);//亮D1

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_0); //灭D1

GPIO_ResetBits(GPIOC,GPIO_Pin_1);//亮D2

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_1); //灭D2

GPIO_ResetBits(GPIOC,GPIO_Pin_2);//亮D3

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_2); //灭D3

GPIO_ResetBits(GPIOC,GPIO_Pin_3);//亮D4

delay_ms(50);

GPIO_SetBits(GPIOC,GPIO_Pin_3); //灭D4

/*RGB*/

GPIO_ResetBits(GPIOA,GPIO_Pin_1);//闪蓝灯

delay_ms(200);

GPIO_SetBits(GPIOA,GPIO_Pin_1); //灭蓝灯

GPIO_ResetBits(GPIOA,GPIO_Pin_2);//闪红灯

delay_ms(200);

GPIO_SetBits(GPIOA,GPIO_Pin_2); //灭红灯

GPIO_ResetBits(GPIOA,GPIO_Pin_3);//闪绿灯

delay_ms(200);

GPIO_SetBits(GPIOA,GPIO_Pin_3); //灭绿灯

GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2);//闪蓝+红

delay_ms(200);

GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2); //灭

}

bushiseoer23

菜鸟

2014-10-30 21:32:13 打赏

4楼

视频地址：http://player.youku.com/player.php/sid/XODE0OTA0NTQw/v.swf

#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);//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);
}

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 s1_20(char num)
{

				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(num){
		 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_15);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
	   	  delay_ms(50);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 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(50);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);


			break;
			case 11 : 
			 
			  GPIO_SetBits(GPIOB,GPIO_Pin_15);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
	   	  delay_ms(50);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 GPIO_SetBits(GPIOB,GPIO_Pin_1);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);

	  	  delay_ms(50);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);



			break;
			case 12 : 
			  GPIO_SetBits(GPIOB,GPIO_Pin_15);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
	   	  delay_ms(50);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 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(50);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 13 : 
			 GPIO_SetBits(GPIOB,GPIO_Pin_15);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
	   	  delay_ms(50);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 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(50);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 14 : 
			  GPIO_SetBits(GPIOB,GPIO_Pin_15);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12);
	   	  delay_ms(50);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 GPIO_SetBits(GPIOB,GPIO_Pin_1);
			  GPIO_ResetBits(GPIOB,GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5);

	  	  delay_ms(50);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 15 : 
			  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_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			
			 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(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
				case 16 : 
			 
			  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_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			
			 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);
	  	  delay_ms(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);



			break;
			case 17 : 
			  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_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			
			 GPIO_SetBits(GPIOB,GPIO_Pin_1);
			  			 GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12);

	  	  delay_ms(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 18: 
			 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_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			
			 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);

	  	  delay_ms(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 19 : 
			  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_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14);
			
			 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);

	  	  delay_ms(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);

			break;
			case 20 : 
			  GPIO_SetBits(GPIOB,GPIO_Pin_15);
			   GPIO_ResetBits(GPIOB,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5);
	   	  delay_ms(150);
		    GPIO_ResetBits(GPIOB,GPIO_Pin_15);
		   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);
			
			 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(150);
				GPIO_ResetBits(GPIOB,GPIO_Pin_1);
		   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);
			break;
		 }
   }
	





	

int main(void)   
{      
     char count = 0;   
     char a = 0, b = 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))
																			 {a++;}
															}  
																if(a>20)
                                   {a=0;} 
												    	s1_20(a);
            }
    
       if(count%2==0){
           if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9))
         {delay_ms(80);   
          if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)){b++;}}  
                 if(b>20){b=0;}  
                 s1_20(b);}
   
       }   
     }

bushiseoer23

菜鸟

2014-11-27 11:41:14 打赏

5楼

视频地址：http://player.youku.com/player.php/sid/XODM2MDcxOTc2/v.swf

自己的板子终于能出现在自己的视频里了 - -

/**
  ******************************************************************************
  * @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_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; 
    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 ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @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);
	printf("Config done,waiting for interrupt......\r\n");
          
  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 */
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource8);

  /* 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_PinSource10);

  /* 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_PinSource11);

  /* 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);
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);
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_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);
printf("S3 interrupt ......\r\n");
    /* Clear the  EXTI line 10 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line10);
  }
	if(EXTI_GetITStatus(EXTI_Line11) != RESET)
  {
    /* Toggle LED1 */
     GPIO_ResetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);
printf("S4 interrupt ......\r\n");
    /* Clear the  EXTI line 11 pending bit */
    EXTI_ClearITPendingBit(EXTI_Line11);
  }
}


#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

bushiseoer23

菜鸟

2014-12-02 09:57:32 打赏

6楼

请假补做
视频地址：http://player.youku.com/player.php/sid/XODM5MTE2MzAw/v.swf

#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;  
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;  
long flag,temp,num;  
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); 
*/  
    SystemInit();  
    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_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);  
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);  
            RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);  
  
  
          
}  
  
  
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_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;   
    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);  
}  
  
void NVIC_Configuration(void)  
{  
  NVIC_InitTypeDef NVIC_InitStructure;  
  
  /* Enable the TIM2 global Interrupt */  
  NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
  NVIC_Init(&NVIC_InitStructure);  
      
      NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
      NVIC_Init(&NVIC_InitStructure);  
      
      NVIC_InitStructure.NVIC_IRQChannel = TIM7_IRQn;  
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
      NVIC_Init(&NVIC_InitStructure);  
      
    /* Time base configuration */  
  TIM_TimeBaseStructure.TIM_Period = 24000;  
  TIM_TimeBaseStructure.TIM_Prescaler = 0;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  
      
    /*NVIC_InitStructure.NVIC_IRQChannel =TIM8_CC_IRQn; 
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; 
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; 
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; 
      NVIC_Init(&NVIC_InitStructure);*/  
}  
  
/* Private functions ---------------------------------------------------------*/  
  
/** 
  * @brief  Main program. 
  * @param  None 
  * @retval None 
  */  
  
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);  
}  
  
  
int main(void)  
{  
  /*!< At this stage the microcontroller clock setting is already configured,  
       this is done through SystemInit() function which is called from startup 
       file (startup_stm32f10x_xx.s) before to branch to application main. 
       To reconfigure the default setting of SystemInit() function, refer to 
       system_stm32f10x.c file 
     */       
         
  /* System Clocks Configuration */  
  RCC_Configuration();  
  
NVIC_Configuration();  
USART_int(115200);  
    printf(" config done...\r\n");  
  
    
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
  TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE );   
    
      
     TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);  
  TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE );   
      
     TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure);  
  TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE );   
      
   
    
  /* TIM2 enable counter */  
  TIM_Cmd(TIM2, ENABLE);  
     TIM_Cmd(TIM3, ENABLE);  
         TIM_Cmd(TIM7, ENABLE);  
  
  while (1){  
        if(flag == 2000)  
        {printf("TIM2 interrupt......\r\n");  
    flag = 0;  
    GPIO_ResetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);  
            //delay_ms(80)  
  
  
  }  
  
        if(temp == 3000)  
        {printf("TIM3 interrupt......\r\n");  
    temp = 0;  
  GPIO_ResetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1);  
            
  
                  
  }  
      
    if(num == 1000)  
        {printf("TIM7 interrupt......\r\n");  
    num = 0;   
        GPIO_ResetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);  
  }  
  
  
}  
}  
void TIM2_IRQHandler(void) //TIM3 ??  
{  
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) //?? TIM3 ????????  
{  
TIM_ClearITPendingBit(TIM2, TIM_IT_Update ); //?? TIM3 ??????  
    flag++;  
  
}  
}  
void TIM3_IRQHandler(void) //TIM3 ??  
{  
if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //?? TIM3 ????????  
{  
TIM_ClearITPendingBit(TIM3, TIM_IT_Update ); //?? TIM3 ??????  
    temp++;  
  
}  
}  
  
void TIM7_IRQHandler(void) //TIM3 ??  
{  
if (TIM_GetITStatus(TIM7, TIM_IT_Update) != RESET) //?? TIM3 ????????  
{  
TIM_ClearITPendingBit(TIM7, TIM_IT_Update ); //?? TIM3 ??????  
    num++;  
  
}  
}  
  
  
  
  
#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

bushiseoer23

菜鸟

2014-12-04 18:30:54 打赏

7楼

PWM-RGB
视频地址：http://player.youku.com/player.php/sid/XODQxNTIxNzE2/v.swf

#include "stm32f10x.h"
#include "stm32_eval.h"

#include 
#define VREF 3.3

/** @addtogroup STM32F10x_StdPeriph_Examples
  * @{
  */

/** @addtogroup EXTI_Config
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef   GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;

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);
*/
	SystemInit();
	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_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);
	  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
} 

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_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; 
    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);
}


void PWM_Config()
{uint16_t PrescalerValue = 0;
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
TIM_OCInitTypeDef  TIM_OCInitStructure;
	/* TIM2 clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
  /* GPIOA  enable */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);
	
		GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
		TIM_Cmd(TIM2, ENABLE);
	  /* Compute the prescaler value */
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;
  /* Time base configuration */
  TIM_TimeBaseStructure.TIM_Period = 0x07FF;
  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
  /* PWM1 Mode configuration: Channel2 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);
	/* PWM1 Mode configuration: Channel3 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);
	/* PWM1 Mode configuration: Channel4 */
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);
  TIM_ARRPreloadConfig(TIM2, ENABLE);
}

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 PWM_TEST()
{ unsigned int temp0=0,temp1=0,temp2=0,i=0;
	printf("PWM-RGB TEST......\r\n");
	
	 for(;i<2000;i++)  
        {  	
          TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);  
            temp0=100,temp1=150,temp2=5000;
  }  
	temp0=0,temp1=0,temp2=0,i=0;
	delay_ms(1000); 
  
    for(;i<2000;i++)  
        {  
          TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);  
            temp0=2310,temp1=790,temp2=140;   					
  }   delay_ms(1000); 
     temp0=0,temp1=0,temp2=0,i=0;
    
	for(;i<2000;i++) 
        {  	
          TIM_SetCompare2(TIM2, temp0);  
            TIM_SetCompare3(TIM2, temp1);  
            TIM_SetCompare4(TIM2, temp2);  
            temp0=2000,temp1=1000,temp2=5000;      
    
  }  delay_ms(1000); 
	temp0=0,temp1=0,temp2=0,i=0;
  
	
}  
	
	
	



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

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
		
  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */     
       
  /* System Clocks Configuration */
  RCC_Configuration();
USART_int(115200);
	
	printf(" config done...\r\n");
	PWM_Config();
	delay_ms(1000);
	while(1)
	{
		PWM_TEST();
	}
}



#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

bushiseoer23

菜鸟

2014-12-13 17:43:46 打赏

8楼

IIC

视频地址：http://player.youku.com/player.php/sid/XODQ3ODAzMDIw/v.swf

#include "stm32f10x.h"    
#include "stm32_eval.h"    

#include     
#define VREF 3.3    
unsigned char i=0;    
void EXTIkeyS1_Config(void);    
/** @addtogroup STM32F10x_StdPeriph_Examples  
  * @{  
  */    
    
/** @addtogroup EXTI_Config  
  * @{  
  */     
    
/* Private typedef -----------------------------------------------------------*/    
/* Private define ------------------------------------------------------------*/    
/* Private macro -------------------------------------------------------------*/    
/* Private variables ---------------------------------------------------------*/    
GPIO_InitTypeDef   GPIO_InitStructure;    
USART_InitTypeDef USART_InitStructure;    
USART_ClockInitTypeDef USART_ClockInitStructure;    
EXTI_InitTypeDef   EXTI_InitStructure;    
NVIC_InitTypeDef   NVIC_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);//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_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);    
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);    
}     
    
void GPIO_INIT()    
{    
    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_Speed = GPIO_Speed_50MHz;    
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    
  GPIO_Init(GPIOB, &GPIO_InitStructure);    
        
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11;    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;    
  GPIO_Init(GPIOC, &GPIO_InitStructure);    
}    
    
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_50MHz;    
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;     
    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);    
}    
    
    
void Iic1_Init(void)    
{    
        GPIO_InitTypeDef GPIO_InitStructure;    
        I2C_InitTypeDef I2C_InitStructure;    
            
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);    
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);    
        //PB6-I2C2_SCL PB7-I2C2_SDA PB10-I2C2_SCL PB11-I2C2_SDA    
        /* Configure IO connected to IIC*********************/    
        GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_10 | GPIO_Pin_11;    
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;    
        GPIO_Init(GPIOB, &GPIO_InitStructure);    
            
        I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;    
        I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;    
        I2C_InitStructure.I2C_OwnAddress1 = 0xA0;    
        I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;    
        I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;    
        I2C_InitStructure.I2C_ClockSpeed = 400000;           
        I2C_Cmd(I2C2, ENABLE);       
        I2C_Init(I2C2, &I2C_InitStructure);    
        I2C_AcknowledgeConfig(I2C2, ENABLE);        
}    
    
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);    
}    
    
int table[10]=    
{GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8 ,GPIO_Pin_9|GPIO_Pin_12 ,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_5,      
GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_5,GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_8|GPIO_Pin_5,GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_8|GPIO_Pin_5,      
GPIO_Pin_7|GPIO_Pin_12|GPIO_Pin_14|GPIO_Pin_13|GPIO_Pin_8|GPIO_Pin_5,GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_12,      
GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14,GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_14        
};   
     
void number(unsigned char i)    
{    
      char a=0,s=0;       
    a=i%10; s=i/10;      
    GPIO_SetBits(GPIOB,GPIO_Pin_1);       
    GPIO_ResetBits(GPIOB,table[a]);       
    delay_ms(1);       
    GPIO_ResetBits(GPIOB,GPIO_Pin_1);       
    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);    
                   
    GPIO_SetBits(GPIOB,GPIO_Pin_15);       
    GPIO_ResetBits(GPIOB,table[s]);         
    delay_ms(1);       
    GPIO_ResetBits(GPIOB,GPIO_Pin_15);       
    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);    
}    
    
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 */    
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource8);    
    
  /* 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);    
}    
    
/**********************************************************************/    
/*IIC?????                                                                               */    
/*                                                                                                                                          */    
/**********************************************************************/    
void I2C2_WriteByte(unsigned char id,unsigned char write_address,unsigned char byte)    
{    
        while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY));    
        I2C_GenerateSTART(I2C2,ENABLE);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));    
        I2C_Send7bitAddress(I2C2,id,I2C_Direction_Transmitter);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));    
        I2C_SendData(I2C2, write_address);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));    
        I2C_SendData(I2C2, byte);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));    
        I2C_GenerateSTOP(I2C2, ENABLE);    
    
        do    
        {                    
                /* Send START condition */    
                I2C_GenerateSTART(I2C2, ENABLE);    
                /* Read I2C2 SR1 register */    
                /* Send EEPROM address for write */    
                I2C_Send7bitAddress(I2C2, 0xA0, I2C_Direction_Transmitter);    
        }while(!(I2C_ReadRegister(I2C2, I2C_Register_SR1) & 0x0002));    
    
        /* Clear AF flag */    
        I2C_ClearFlag(I2C2, I2C_FLAG_AF);    
        /* STOP condition */        
        I2C_GenerateSTOP(I2C2, ENABLE);      
}    
    
    
unsigned char I2C2_ReadByte(unsigned char  id, unsigned char read_address)    
{      
    unsigned char temp;             
    while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY)){}    
    I2C_GenerateSTART(I2C2, ENABLE);    
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));    
    I2C_Send7bitAddress(I2C2, id, I2C_Direction_Transmitter);    
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));    
    I2C_Cmd(I2C2, ENABLE);    
    I2C_SendData(I2C2, read_address);      
        while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED));    
    I2C_GenerateSTART(I2C2, ENABLE);    
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));    
    I2C_Send7bitAddress(I2C2, id, I2C_Direction_Receiver);    
    while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));    
    I2C_AcknowledgeConfig(I2C2, DISABLE);    
    I2C_GenerateSTOP(I2C2, ENABLE);    
    while(!(I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_RECEIVED)));    
               
    temp = I2C_ReceiveData(I2C2);      
    I2C_AcknowledgeConfig(I2C2, ENABLE);    
    return temp;    
}    
    
/* Private functions ---------------------------------------------------------*/    
    
/**  
  * @brief  Main program.  
  * @param  None  
  * @retval None  
  */    
int main(void)    
{     
    unsigned char count=0;    
  /*!< At this stage the microcontroller clock setting is already configured,   
       this is done through SystemInit() function which is called from startup  
       file (startup_stm32f10x_xx.s) before to branch to application main.  
       To reconfigure the default setting of SystemInit() function, refer to  
       system_stm32f10x.c file  
     */         
           
  /* System Clocks Configuration */    
  RCC_Configuration();       
    USART_int(115200);          
	 GPIO_INIT(); 
  EXTIkeyS1_Config();       
    printf(" config done...\r\n");    
   Iic1_Init();
	delay_ms(1000);    
    while(1)    
    {    
         count=I2C2_ReadByte(0xA0,0);   
          
     number(count);  
if(!GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_11))    
    {  delay_ms(100);  
      i=0;            
         I2C2_WriteByte(0xA0,i,i);    
                  
    }    
    }           
}  
void EXTI9_5_IRQHandler(void)    
{    
    if(EXTI_GetITStatus(EXTI_Line8) != RESET)    
  {  delay_ms(100);  
        i++;    
        I2C2_WriteByte(0xA0,0,i);   
 printf(" 按键次数  %d\r\n",i);        
    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

bushiseoer23

菜鸟

2014-12-22 15:53:49 打赏

9楼

ADC

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include   
#define VREF 3.3  


/** @addtogroup STM32F10x_StdPeriph_Examples 
  * @{ 
  */  
  
/** @addtogroup EXTI_Config 
  * @{ 
  */   
  
/* Private typedef -----------------------------------------------------------*/  
/* Private define ------------------------------------------------------------*/  
/* Private macro -------------------------------------------------------------*/  
/* Private variables ---------------------------------------------------------*/  
GPIO_InitTypeDef   GPIO_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  
unsigned int bule=0,red=0,green=0;  
void RCC_Configuration(void)  
{  
    SystemInit();  
    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_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);  
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
}   
  
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_50MHz;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;   
    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);  
}  
  
  
void PWM_Config()  
{  
  uint16_t PrescalerValue = 0;  
  TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
  TIM_OCInitTypeDef  TIM_OCInitStructure;  
  /* TIM2 clock enable */  
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);  
  /* GPIOA  enable */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO  , ENABLE);  
      
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;  
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
  TIM_Cmd(TIM2, ENABLE);  
  /* Compute the prescaler value */  
  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;  
  /* Time base configuration */  
  TIM_TimeBaseStructure.TIM_Period = 0x07FF;  
  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;  
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;  
  /* PWM1 Mode configuration: Channel2 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC2Init(TIM2, &TIM_OCInitStructure);  
  /* PWM1 Mode configuration: Channel3 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC3Init(TIM2, &TIM_OCInitStructure);  
  /* PWM1 Mode configuration: Channel4 */  
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  
  TIM_OCInitStructure.TIM_Pulse = 0xFFFF;  
  TIM_OC4Init(TIM2, &TIM_OCInitStructure);  
  TIM_ARRPreloadConfig(TIM2, ENABLE);  
}  
  
void ADC_CONFIG(){  
  ADC_InitTypeDef ADC_InitStructure;  
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)  
  /* ADCCLK = PCLK2/2 */  
  RCC_ADCCLKConfig(RCC_PCLK2_Div2);   
#else  
  /* ADCCLK = PCLK2/4 */  
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);   
#endif  
  ADC_DeInit(ADC1);  
  /* Enable ADC1 and GPIOC clock */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);  
      
    /* Configure PB0 (ADC Channel14) as analog input -------------------------*/  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;  
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;  
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
      
    
  /* ADC1 configuration ------------------------------------------------------*/  
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;  
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;  
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;  
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;  
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//ADC?????  
  ADC_InitStructure.ADC_NbrOfChannel = 1;//ADC???1  
  ADC_Init(ADC1, &ADC_InitStructure);  
  
  
  /* Enable ADC1 DMA */  
  ADC_DMACmd(ADC1, ENABLE);  
    
  /* Enable ADC1 */  
  ADC_Cmd(ADC1, ENABLE);  
  
}  
  
int Get_ADC(){  
  /* ADC1 regular channel configuration */   
  ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);//??8,????  
  /* Enable ADC1 reset calibration register */     
  ADC_ResetCalibration(ADC1);  
  /* Check the end of ADC1 reset calibration register */  
  while(ADC_GetResetCalibrationStatus(ADC1));//??ADC??????  
  /* Start ADC1 calibration */  
  ADC_StartCalibration(ADC1);//??ADC??  
  /* Check the end of ADC1 calibration */  
  while(ADC_GetCalibrationStatus(ADC1));//??ADC??????     
  /* Start ADC1 Software Conversion */   
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);  
      
    return ADC_GetConversionValue(ADC1);  
}  
  
 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 PWM_TEST()  
{  
//  printf("PWM-RGB TEST......\r\n");     
        TIM_SetCompare2(TIM2, bule);  
        TIM_SetCompare3(TIM2, red);  
        TIM_SetCompare4(TIM2, green);  
//      delay_ms(500);  
}  
  
  
  
/* Private functions ---------------------------------------------------------*/  
  
/** 
  * @brief  Main program. 
  * @param  None 
  * @retval None 
  */  
int main(void)  
{  
    float Volt=0.00;  
    int ADValue = 0;  
  /*!< At this stage the microcontroller clock setting is already configured,  
       this is done through SystemInit() function which is called from startup 
       file (startup_stm32f10x_xx.s) before to branch to application main. 
       To reconfigure the default setting of SystemInit() function, refer to 
       system_stm32f10x.c file 
     */       
         
  /* System Clocks Configuration */  
  RCC_Configuration();  
  USART_int(115200);  
  ADC_CONFIG();  
  printf(" config done...\r\n");  
  Get_ADC();  
  PWM_Config();  
  delay_ms(1000);  
  while(1)  
    {     
        ADValue = Get_ADC();  
        Volt = VREF*ADValue/4095;  
        if(03000)  
        {  
            bule=ADValue/1;  
            red=ADValue/1;  
            green=ADValue/1;  
        }  
        PWM_TEST();  
        printf("The ADC value is :%d\r\n",ADValue);  
        printf("The Volt is:%f V\r\n",Volt);  
      delay_ms(100);  
    }  
}  
  
  
  
#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

bushiseoer23

菜鸟

2014-12-25 09:59:43 打赏

10楼

视频地址：http://player.youku.com/player.php/sid/XODU1NjM3Nzky/v.swf

#include "stm32f10x.h"     
#include "stm32_eval.h"     
GPIO_InitTypeDef GPIO_InitStructure;    //??GPIO???  
  
NVIC_InitTypeDef  NVIC_InitStructure;  
USART_InitTypeDef  USART_InitStructure;   
USART_ClockInitTypeDef  USART_ClockInitStructure;   
  
#define buff_size  16;       
char rx_buff[],rx_buff_count=0;  
  
/*???? ??*/    
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 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 USART_SendStr(char *str)      //???????  
{  
   while((*str)!='\0')             //???????  
        {USART_SendData(USART1,*str++);  
        while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);  
        }  
}  
  
void USART_int(long BaudRate)       //USART??  
{  
      RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);//??PA?USART1  
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;               //PA^9??TX_D1  
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;          //??????  
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;               //PA^10??RX_D1  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;     //????  
    GPIO_Init(GPIOA, &GPIO_InitStructure);  
  
    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);           //???USART1??       
    USART_Init(USART1, &USART_InitStructure);                    //???USART1  
    USART_Cmd(USART1, ENABLE);   
      USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);  
    USART_Cmd(USART1, ENABLE);  
   
        NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);       //??4????  
        NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;     //??USART1????  
        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;  
        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;  
        NVIC_Init(&NVIC_InitStructure);                       //?????  
}  
  
void GPIO_INIT()     
{    
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  //RCC_APB2Periph_GPIOC  ??GPIOX???      ENABLE\DISABLE   ??or??    
    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;//??:????PC^0-7     
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;         //??:????  
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;          //??:Out_PP????,????,??         
    GPIO_Init(GPIOC, &GPIO_InitStructure);    
}  
  
unsigned int my_atoi(char* pstr) //???:????????  
{     
      int s = 0;    
        while(*pstr != '\0')        //??????????????  
        {  
                if(*pstr >= '0' && *pstr <= '9')  //????????0-9???  
                {    
                        s = s * 10 + *pstr - '0';     
                }    
                pstr++;  
        }         
    return s;   
}   
  
  
  
  
  
int main()    
{                             
        RCC_Configuration();  
      GPIO_INIT();   
        USART_int(9600);  
        USART_SendStr("Please input like: data=\r\n");  
        USART_SendStr("\n>");  
        while(1){  
                }  
}  
  
void USART1_IRQHandler(void)   
{   
  while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)  
  {   
  }   
      
  USART_ClearFlag(USART1, USART_FLAG_RXNE);  
  
}

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