EEPW论坛

真是case到天荒地老啊

能不能优化一下

要到1000怎么把？

#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include    "stdio.h"   
#define buff_size  16;   
  
GPIO_InitTypeDef GPIO_InitStructure;  
char rx_buff[],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);
  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, 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_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);  
}  
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; 
  USART_InitStructure.USART_StopBits = USART_StopBits_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);  
  
  /* 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)  
{   
    int i,j; 
	int a[8]={GPIO_Pin_0,GPIO_Pin_1,GPIO_Pin_2,GPIO_Pin_3,GPIO_Pin_7,GPIO_Pin_6,GPIO_Pin_5,GPIO_Pin_4};
 int b[8]={GPIO_Pin_7,GPIO_Pin_6,GPIO_Pin_5,GPIO_Pin_4,GPIO_Pin_0,GPIO_Pin_1,GPIO_Pin_2,GPIO_Pin_3};
    unsigned char flag=0;  
 if((LEN!=7)&(LEN!=8)&(LEN!=9))  
 {USART_SendStr("\r\n Erro input!!!\r\n");}  
  else{  
    switch(LEN)  
   {  
           
     case 7:  
              
         {  
                 flag = strcmp(S,"time=50",7);  
          if(flag==1)  
                  {   for(i=0;i<8;i++){
                         GPIO_ResetBits(GPIOC,a[i]);
 delay_ms(50);
GPIO_SetBits(GPIOC,a[i]);}        
                                                            break;   
  
                            }  
                        }  
                              
                              
     case 8:  
      
             {  
                         flag = strcmp(S,"time=100",8);  
                         if(flag==1)  
                             {  
                                     for(i=0;i<8;i++){    
															 GPIO_ResetBits(GPIOC,a[i]); 
                                     delay_ms(100);    
                              GPIO_SetBits(GPIOC,i);  
                                                            }  
  
                                            }  
                                             break;  
                 }   
                            
     case 9:        
             {  
                             flag = strcmp(S,"time=1000",9);  
                             if(flag==1)  
                             {  
                                 for(i=0;i<8;i++){
                         GPIO_ResetBits(GPIOC,a[i]);
 delay_ms(50);
GPIO_SetBits(GPIOC,a[i]);}
                 for(i=0;i<8;i++){    
															 GPIO_ResetBits(GPIOC,a[i]); 
                                  delay_ms(100);    
                                GPIO_SetBits(GPIOC,i);  
               }  
  
                                            }                                                        
                      break;   
                 }  
               }       
                 }  
             }  
   
          
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)  
{   
          
    RCC_Configuration();  
    GPIO_INIT();  
  USART_int(9600);  
    USART_SendStr("SyStem booting......\r\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);  
  
}  

我要2000ms怎么办？

重新修改代码下载？

/* Includes ------------------------------------------------------------------*/  
#include "stm32f10x.h"  
#include "stm32_eval.h"  
#include <stdio.h>  

EXTI_InitTypeDef   EXTI_InitStructure;  
GPIO_InitTypeDef   GPIO_InitStructure;  
NVIC_InitTypeDef   NVIC_InitStructure;  
USART_InitTypeDef USART_InitStructure;  
USART_ClockInitTypeDef USART_ClockInitStructure;  

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);  
  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);  
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;  
    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; 
  USART_InitStructure.USART_StopBits = USART_StopBits_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);  
   
  /* 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);  
}  
  

  

int main(void)  
{RCC_Configuration();  
   
 
  EXTIkeyS1_Config();  
  

  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|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);  
    
   printf("ÖжÏS2´ò¿ª ......\r\n");  
    /* Clear the  EXTI line 9 pending bit */  
    EXTI_ClearITPendingBit(EXTI_Line9);  
  }  
 
    if(EXTI_GetITStatus(EXTI_Line8) != RESET)  
  {  
        
      GPIO_SetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); 
    printf("ÖжÏS1´ò¿ª ......\r\n");  
  
    EXTI_ClearITPendingBit(EXTI_Line8);  
  }  
 
}  
  
void EXTI15_10_IRQHandler(void)  
{   
  
  if(EXTI_GetITStatus(EXTI_Line10) != RESET)  
  {  
  GPIO_ResetBits(GPIOC,GPIO_Pin_6|GPIO_Pin_7);  
  printf("ÖжÏS3´ò¿ª ......\r\n");  
    /* Clear the  EXTI line 9 pending bit */  
    EXTI_ClearITPendingBit(EXTI_Line10);  
   
}  
    if(EXTI_GetITStatus(EXTI_Line11) != RESET)  
  {  
    
      GPIO_ResetBits(GPIOC,GPIO_Pin_2|GPIO_Pin_3);  
printf("S4´ò¿ª ......\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)  
  {  
  }  
}  
  

/**
  ******************************************************************************
  * @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;
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 */
	int i=0;
  int a[8]={GPIO_Pin_0,GPIO_Pin_1,GPIO_Pin_2,GPIO_Pin_3,GPIO_Pin_7,GPIO_Pin_6,GPIO_Pin_5,GPIO_Pin_4}; 

  int b[8]={GPIO_Pin_0,GPIO_Pin_4,GPIO_Pin_5,GPIO_Pin_6,GPIO_Pin_7,GPIO_Pin_3,GPIO_Pin_2,GPIO_Pin_1}; 

  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");
  for(i=0;i<=7;i++)
			{
					GPIO_ResetBits(GPIOC,a[i]);
					delay_ms(50);
				GPIO_SetBits(GPIOC,a[i]);

      }
		  flag = 0;
  }

		if(temp == 3000)
			
		{printf("TIM3 interrupt......\r\n");
		 temp = 0;
  for(i=0;i<=7;i++)
			{
					GPIO_ResetBits(GPIOC,b[i]);
					delay_ms(50);
				GPIO_SetBits(GPIOC,b[i]);

      }
		  
				
  }
	
	/*if(num == 1000)
		{printf("TIM7 interrupt......\r\n");
    num = 0;
  GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_0|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
		delay_ms(150);
		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)
  {
  }
}