调通数据上报，测距，同步

yincheng.zhong

2024-02-25 d7f957eb56272e006de3dd404454cdf56de86655

 Src/OnChipDevices/Rcc_Nvic_Systick.c

@@ -2,79 +2,79 @@

//void Rcc_Init(void)
//{
//   //----------使用内部RC晶振HSI 64MHz----------- 
//   RCC_DeInit();                               //将外设RCC寄存器重设为缺省值 
//   //----------使用内部RC晶振HSI 64MHz-----------
//   RCC_DeInit();                               //将外设RCC寄存器重设为缺省值
//   RCC_HSICmd(ENABLE);                         //内部时钟使能
//   while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY)== RESET);   //等待HSI就绪 
//	
//   FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);   //选择FLASH预取指缓存的模,预取指缓存使能 
//   FLASH_SetLatency(FLASH_Latency_2);               //设置FLASH存储器延时时钟周期数FLASH_Latency_2  2延时周期   
//	
//	
//   RCC_HCLKConfig(RCC_SYSCLK_Div1);                  //设置AHB时钟（HCLK） RCC_SYSCLK_Div1——AHB时钟 = 系统时钟 
//   RCC_PCLK2Config(RCC_HCLK_Div1);                  //设置高速AHB时钟（PCLK2）RCC_HCLK_Div1——APB2时钟 = HCLK     
//   RCC_PCLK1Config(RCC_HCLK_Div2);                //设置低速AHB时钟（PCLK1）RCC_HCLK_Div2——APB1时钟 = HCLK/2      
//   RCC_PLLConfig(RCC_PLLSource_HSI_Div2, RCC_PLLMul_16);   //设置PLL时钟源及倍频系数，频率为8/2*16=64Mhz    
//   RCC_PLLCmd(ENABLE);                           //使能PLL 
//	
//   while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //检查指定的RCC标志位(PLL准备好标志)设置与否    
//   RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);        //设置系统时钟（SYSCLK） 
//   while(RCC_GetSYSCLKSource() != 0x08);              //0x08：PLL作为系统时钟   
//   while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY)== RESET);   //等待HSI就绪
//
//   FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);   //选择FLASH预取指缓存的模,预取指缓存使能
//   FLASH_SetLatency(FLASH_Latency_2);               //设置FLASH存储器延时时钟周期数FLASH_Latency_2  2延时周期
//
//
//   RCC_HCLKConfig(RCC_SYSCLK_Div1);                  //设置AHB时钟（HCLK） RCC_SYSCLK_Div1——AHB时钟 = 系统时钟
//   RCC_PCLK2Config(RCC_HCLK_Div1);                  //设置高速AHB时钟（PCLK2）RCC_HCLK_Div1——APB2时钟 = HCLK
//   RCC_PCLK1Config(RCC_HCLK_Div2);                //设置低速AHB时钟（PCLK1）RCC_HCLK_Div2——APB1时钟 = HCLK/2
//   RCC_PLLConfig(RCC_PLLSource_HSI_Div2, RCC_PLLMul_16);   //设置PLL时钟源及倍频系数，频率为8/2*16=64Mhz
//   RCC_PLLCmd(ENABLE);                           //使能PLL
//
//   while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //检查指定的RCC标志位(PLL准备好标志)设置与否
//   RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);        //设置系统时钟（SYSCLK）
//   while(RCC_GetSYSCLKSource() != 0x08);              //0x08：PLL作为系统时钟

////   //----------使用外部RC晶振 72MHz-----------  
////    RCC_DeInit();           //初始化为缺省值  
////    RCC_HSEConfig(RCC_HSE_ON);  //使能外部的高速时钟   
////    while(RCC_GetFlagStatus(RCC_FLAG_HSERDY) == RESET); //等待外部高速时钟使能就绪  
////      
////    FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);   //Enable Prefetch Buffer  
////    FLASH_SetLatency(FLASH_Latency_2);      //Flash 2 wait state  
////      
////    RCC_HCLKConfig(RCC_SYSCLK_Div1);        //HCLK = SYSCLK  
////    RCC_PCLK2Config(RCC_HCLK_Div1);         //PCLK2 =  HCLK  
////    RCC_PCLK1Config(RCC_HCLK_Div2);         //PCLK1 = HCLK/2  
////    RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9); //PLLCLK = 8MHZ * 9 =72MHZ  
////    RCC_PLLCmd(ENABLE);         //Enable PLLCLK  
////  
////    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //Wait till PLLCLK is ready  
////    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);  //Select PLL as system clock  
////    while(RCC_GetSYSCLKSource()!=0x08);     //Wait till PLL is used as system clock source  
//		
////   //----------使用外部RC晶振 72MHz-----------
////    RCC_DeInit();           //初始化为缺省值
////    RCC_HSEConfig(RCC_HSE_ON);  //使能外部的高速时钟
////    while(RCC_GetFlagStatus(RCC_FLAG_HSERDY) == RESET); //等待外部高速时钟使能就绪
////
////    FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);   //Enable Prefetch Buffer
////    FLASH_SetLatency(FLASH_Latency_2);      //Flash 2 wait state
////
////    RCC_HCLKConfig(RCC_SYSCLK_Div1);        //HCLK = SYSCLK
////    RCC_PCLK2Config(RCC_HCLK_Div1);         //PCLK2 =  HCLK
////    RCC_PCLK1Config(RCC_HCLK_Div2);         //PCLK1 = HCLK/2
////    RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9); //PLLCLK = 8MHZ * 9 =72MHZ
////    RCC_PLLCmd(ENABLE);         //Enable PLLCLK
////
////    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //Wait till PLLCLK is ready
////    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);  //Select PLL as system clock
////    while(RCC_GetSYSCLKSource()!=0x08);     //Wait till PLL is used as system clock source
//
//}
int RCC_Configuration(void)
{
   ErrorStatus HSEStartUpStatus;
   RCC_ClocksTypeDef RCC_ClockFreq;
    ErrorStatus HSEStartUpStatus;
    RCC_ClocksTypeDef RCC_ClockFreq;

   /* RCC system reset(for debug purpose) */
   RCC_DeInit();
    /* RCC system reset(for debug purpose) */
    RCC_DeInit();

   /* Enable HSE */
   RCC_HSEConfig(RCC_HSE_ON);
    /* Enable HSE */
    RCC_HSEConfig(RCC_HSE_ON);

   /* Wait till HSE is ready */
   HSEStartUpStatus = RCC_WaitForHSEStartUp();
    /* Wait till HSE is ready */
    HSEStartUpStatus = RCC_WaitForHSEStartUp();

   if(HSEStartUpStatus != ERROR)
   {
      SystemInit();
      /* Enable Prefetch Buffer */
      FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
    if(HSEStartUpStatus != ERROR)
    {
        SystemInit();
        /* Enable Prefetch Buffer */
        FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

      /****************************************************************/
      /* HSE= up to 25MHz (on EVB1000 is 12MHz),
       * HCLK=72MHz, PCLK2=72MHz, PCLK1=36MHz                   */
      /****************************************************************/
      /* Flash 2 wait state */
      FLASH_SetLatency(FLASH_Latency_2);
      /* HCLK = SYSCLK */
      RCC_HCLKConfig(RCC_SYSCLK_Div1);
      /* PCLK2 = HCLK */
      RCC_PCLK2Config(RCC_HCLK_Div1);
      /* PCLK1 = HCLK/2 */
      RCC_PCLK1Config(RCC_HCLK_Div2);
      /*  ADCCLK = PCLK2/4 */
      RCC_ADCCLKConfig(RCC_PCLK2_Div6);
   }
        /****************************************************************/
        /* HSE= up to 25MHz (on EVB1000 is 12MHz),
         * HCLK=72MHz, PCLK2=72MHz, PCLK1=36MHz                   */
        /****************************************************************/
        /* Flash 2 wait state */
        FLASH_SetLatency(FLASH_Latency_2);
        /* HCLK = SYSCLK */
        RCC_HCLKConfig(RCC_SYSCLK_Div1);
        /* PCLK2 = HCLK */
        RCC_PCLK2Config(RCC_HCLK_Div1);
        /* PCLK1 = HCLK/2 */
        RCC_PCLK1Config(RCC_HCLK_Div2);
        /*  ADCCLK = PCLK2/4 */
        RCC_ADCCLKConfig(RCC_PCLK2_Div6);
    }
//      /* Configure PLLs *********************************************************/
//      /* PLL2 configuration: PLL2CLK = (HSE / 4) * 8 = 24 MHz */
//      RCC_PREDIV2Config(RCC_PREDIV2_Div4);
@@ -104,45 +104,45 @@
//      while (RCC_GetSYSCLKSource() != 0x08){}
//   }

   RCC_GetClocksFreq(&RCC_ClockFreq);
    RCC_GetClocksFreq(&RCC_ClockFreq);

   /* Enable SPI1 clock */
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
    /* Enable SPI1 clock */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);

   /* Enable SPI2 clock */
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
    /* Enable SPI2 clock */
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);

   /* Enable GPIOs clocks */
   RCC_APB2PeriphClockCmd(
                  RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
                  RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
                  RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
                  ENABLE);
    /* Enable GPIOs clocks */
    RCC_APB2PeriphClockCmd(
        RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
        RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
        RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
        ENABLE);

   return 0;
    return 0;
}
void Nvic_Init(void)
{
   NVIC_InitTypeDef NVIC_InitStructure;
	
   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
	
   /* Enable and set EXTI Interrupt to the lowest priority */
    NVIC_InitTypeDef NVIC_InitStructure;

    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);

    /* Enable and set EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

      NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
	
      NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
    NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;
	
    NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;

    NVIC_Init(&NVIC_InitStructure);
}
//?????3?????
@@ -153,61 +153,118 @@
void TIM3_Int_Init(void)
{
    TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
   NVIC_InitTypeDef NVIC_InitStructure;
 
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //????
	
   //???TIM3???
   TIM_TimeBaseStructure.TIM_Period = 1000-1; //???????????????????????????	
   TIM_TimeBaseStructure.TIM_Prescaler =72-1; //??????TIMx???????????
   TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //??????:TDTS = Tck_tim
   TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM??????
   TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //??????????TIMx???????
 
   TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE ); //?????TIM3??,??????
 
   //?????NVIC??
   NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  //TIM3??
   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  //?????0?
   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;  //????3?
   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?????
   NVIC_Init(&NVIC_InitStructure);  //???NVIC???
 
 
   TIM_Cmd(TIM3, ENABLE);  //??TIMx					 
    NVIC_InitTypeDef NVIC_InitStructure;

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //????

    //???TIM3???
    TIM_TimeBaseStructure.TIM_Period = 1000-1; //???????????????????????????
    TIM_TimeBaseStructure.TIM_Prescaler =72-1; //??????TIMx???????????
    TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //??????:TDTS = Tck_tim
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM??????
    TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //??????????TIMx???????

    TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE ); //?????TIM3??,??????

    //?????NVIC??
    NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  //TIM3??
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  //?????0?
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;  //????3?
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?????
    NVIC_Init(&NVIC_InitStructure);  //???NVIC???


    TIM_Cmd(TIM3, ENABLE);  //??TIMx
}
//???3??????
int Systick_Init(void)
{
   int time_retry = 500;
   if (SysTick_Config(72000))
   {
    int time_retry = 500;
    if (SysTick_Config(72000))
    {
        /* Capture error */
        while (time_retry--);
      return 1;
        return 1;
    }
    NVIC_SetPriority(SysTick_IRQn, 5);

    return 0;
	

}

void delay_us(uint32_t nTimer)  
{  
    uint32_t i=0;  
    for(i=0;i<nTimer;i++){  
        __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
      __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
      __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();  
        __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
      __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
      __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();  
        __NOP();__NOP();__NOP();__NOP(); 
    }  
void delay_us(uint32_t nTimer)
{
    uint32_t i=0;
    for(i=0; i<nTimer; i++) {
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
        __NOP();
    }
}

void delay_ms(uint32_t nTimer)  
{  
    uint32_t i=1000*nTimer;  
    delay_us(i);  
}  
void delay_ms(uint32_t nTimer)
{
    uint32_t i=1000*nTimer;
    delay_us(i);
}