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菜鸟

2014-11-06 23:02:35 打赏

11楼

我现在先发一句话，我马上上传作业，，，，占个位置，别过了十二点了。

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买西瓜送熙熙

菜鸟

2014-11-06 23:30:54 打赏

12楼

直接上菜

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菜鸟

2014-11-27 13:18:27 打赏

13楼

评论

菜鸟

2014-11-27 13:31:37 打赏

14楼

评论

菜鸟

2014-11-27 13:33:29 打赏

15楼

#include "stm32f10x.h"
#include "stm32_eval.h"
#include "math.h" 
#include    "stdio.h"
GPIO_InitTypeDef GPIO_InitStructure;
#define buff_size  16;     
char rx_buff[255],rx_buff_count=0;

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_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_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
      
} 

 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 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 USART_int(long BaudRate)
{ USART_InitTypeDef USART_InitStructure;
	USART_ClockInitTypeDef USART_ClockInitStructure;
	 NVIC_InitTypeDef NVIC_InitStructure;
	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);
}

void USART_SendStr(char *str)
{
   while((*str)!='\0')
{USART_SendData(USART1,*str++);
while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
}
}

char strcmp(char *S,char *C,char LEN)
{ char count;
  for(count=0;count<LEN;count++)
  {
	  if(S[count]!=C[count])
		  {return 0;}
  }
  return 1;
}

void commcmp(char *S,char LEN)
{ 
		unsigned char flag=0;
	int i,j;
	char ge=0,shi=0,temp;
		temp=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);  
	
	while(1){
		shi=temp/10;  
   ge=temp%10;

if(temp==100)
		temp=0;
	
 if(LEN!=7)
 {USART_SendStr("\r\n Erro input!!!\r\n");}

	 

		 
    	flag = strcmp(S,"time=01",7);
				if(flag==1){
					temp=1;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
					
			flag = strcmp(S,"time=02",7);
			if(flag==1){			
					temp=2;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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);  
					}
         
				}
				
				
				flag = strcmp(S,"time=03",7);
				if(flag==1){
					temp=3;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
				}
					
			}
				
				
				flag = strcmp(S,"time=04",7);
				if(flag==1){
					temp=4;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
				
			flag = strcmp(S,"time=05",7);
				if(flag==1){
					temp=5;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
				
			flag = strcmp(S,"time=06",7);
				if(flag==1){
					temp=6;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
	
				
			flag = strcmp(S,"time=11",7);
				if(flag==1){
					temp=11;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
				
			
						flag = strcmp(S,"time=25",7);
				if(flag==1){
					temp=25;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
					
			
				flag = strcmp(S,"time=37",7);
				if(flag==1){
					temp=37;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
					
			
			
				flag = strcmp(S,"time=48",7);
				if(flag==1){
					temp=48;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
					
			
				flag = strcmp(S,"time=53",7);
				if(flag==1){
					temp=53;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
					
			
				flag = strcmp(S,"time=67",7);
				if(flag==1){
					temp=67;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
						flag = strcmp(S,"time=99",7);
				if(flag==1){
					temp=99;
					shi=temp/10;  
         ge=temp%10;
					while(1){
         GPIO_SetBits(GPIOB,GPIO_Pin_15);  
              GPIO_ResetBits(GPIOB,table[shi]);  
          delay_ms(10);  
            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,table[ge]);  
  
          delay_ms(10);  
                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); 
			}
					
			}
			
					
			
				} 
    	 
			}


void input_ASK()
{	char j;
	commcmp(rx_buff,rx_buff_count);
	 rx_buff_count=0;
	  for (j=0;j<rx_buff_count;j++)
		  {rx_buff[j]='\0';}
	USART_SendStr("\n>");
}

int main(void)
{ 
		
	unsigned char flag;
	RCC_Configuration();
	GPIO_INIT();
  USART_int(9600);
	USART_SendStr("SyStem booting......\r\n");
	USART_SendStr("\n>");
 while(1){}       
}


void USART1_IRQHandler(void) 
{ 

  while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
  { 
  } 
if(USART_ReceiveData(USART1)==0x0d)
{input_ASK();}
else
{
USART_SendData(USART1,USART_ReceiveData(USART1));
rx_buff[rx_buff_count]= USART_ReceiveData(USART1);
	rx_buff_count++;
}
  USART_ClearFlag(USART1, USART_FLAG_RXNE);

}

评论

助工

2014-11-28 12:24:46 打赏

16楼

师兄可以啊，给你朵小红花

评论

菜鸟

2014-12-04 09:39:35 打赏

17楼

昨天晚上KEIL突然出问题，卸载了，没来得及重装。

评论

菜鸟

2014-12-04 09:40:31 打赏

18楼

外部中断视频：

视频地址：http://player.youku.com/player.php/sid/XODU1OTY3OTE2/v.swf

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include   
/** @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 GPIOA clock */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
    
  /* Configure PA.00 pin as input floating */  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;  
  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_PinSource10);  
  
  /* Configure EXTI0 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 EXTI0 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 GPIOA clock */  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);  
    
  /* Configure PA.00 pin as input floating */  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;  
  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_PinSource11);  
  
  /* Configure EXTI0 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 EXTI0 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)  
  {  
    
      
     GPIO_SetBits(GPIOC,GPIO_Pin_0);  
printf("S2中断服务打开 ......\r\n");  
    /* Clear the  EXTI line 9 pending bit */  
    EXTI_ClearITPendingBit(EXTI_Line9);  
  
}  
    if(EXTI_GetITStatus(EXTI_Line8) != RESET)  
  {  
    
     GPIO_SetBits(GPIOC,GPIO_Pin_1);  
printf("S1中断服务打开......\r\n");  
    /* Clear the  EXTI line 0 pending bit */  
    EXTI_ClearITPendingBit(EXTI_Line8);  

}  
}  
  
void EXTI15_10_IRQHandler(void)  
{   
  
  if(EXTI_GetITStatus(EXTI_Line10) != RESET)  
  { 
 
   GPIO_SetBits(GPIOC,GPIO_Pin_2);  
  printf("S3中断服务打开......\r\n");  
    /* Clear the  EXTI line 9 pending bit */  
    EXTI_ClearITPendingBit(EXTI_Line10);  
  }  
 
    if(EXTI_GetITStatus(EXTI_Line11) != RESET)  
  {   
     GPIO_SetBits(GPIOC,GPIO_Pin_3);  
printf("S4中断服务打开......\r\n");  
    /* Clear the  EXTI line 0 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  
  
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

评论

菜鸟

2014-12-04 09:41:36 打赏

19楼

定时器视频：

：
视频地址：http://player.youku.com/player.php/sid/XODU1OTY3NDIw/v.swf

定时器作业代码：


#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include   
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 flag1=0,flag2=0;  
void RCC_Configuration(void)  
{  
    SystemInit();//24MHZ  
    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);  
}  
  
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;//  
  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)  
{  
  /* 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);  
    /* Enable the TIM3 global Interrupt */  
     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);  
}  
  /* Time base configuration */  
void TIM2_Configuration(void)//2s  
{  
    TIM_TimeBaseStructure.TIM_Period = 19999;//???? 2s  
  TIM_TimeBaseStructure.TIM_Prescaler = 2399;//????0.1ms  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
}  
void TIM3_Configuration(void)//1s  
{  
    TIM_TimeBaseStructure.TIM_Period = 9999;//???? 1s  
  TIM_TimeBaseStructure.TIM_Prescaler = 2399;  
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;  
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
    TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);  
}  
  
int main(void)  
{  
  /* System Clocks Configuration */  
  RCC_Configuration();  
  NVIC_Configuration();  
  USART_int(115200);  
    TIM2_Configuration();  
    TIM3_Configuration();  
  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);  
  
  TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);  
  TIM_Cmd(TIM2, ENABLE);//  
      
  TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);  
  TIM_Cmd(TIM3, ENABLE);//  
      
    printf(" config done...\r\n");  
  while (1)  
 {  
    if(flag1 == 0)  
    {  
        printf("TIM2 interrupt......\r\n");  
    GPIO_SetBits(GPIOC,GPIO_Pin_0);  
   }  
    if(flag2 == 0)  
    {  
        printf("TIM3 interrupt......\r\n");  
    GPIO_SetBits(GPIOC,GPIO_Pin_1);  
   }  
 }  
}  
  
void TIM2_IRQHandler(void) //TIM2 ??  
{  
    if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)   
    {  
        TIM_ClearITPendingBit(TIM2, TIM_IT_Update );   
        GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_2);  
    }  
}  
  
void TIM3_IRQHandler(void) //TIM3 ??  
{  
    if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)   
    {  
        TIM_ClearITPendingBit(TIM3, TIM_IT_Update );   
        GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);  
    }  
}  
  
#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

评论

专家

2014-12-04 09:52:29 打赏

20楼

有意思，同学给力

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