STM32H750XB_RT-THREAD/31-TIM—高级定时器/TIM—高级定时器PWM输入捕获/User/tim/bsp_advance_tim.c

/**
  ******************************************************************************
  * @file    bsp_basic_tim.c
  * @author  STMicroelectronics
  * @version V1.0
  * @date    2015-xx-xx
  * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  ******************************************************************************
  * @attention
  *
  * ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32 H750 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
  * <EFBFBD><EFBFBD>̳    :http://www.firebbs.cn
  * <EFBFBD>Ա<EFBFBD>    :https://fire-stm32.taobao.com
  *
  ******************************************************************************
  */
  
#include "./tim/bsp_advance_tim.h"
#include "./led/bsp_led.h" 

TIM_HandleTypeDef TIM_PWMOUTNPUT_Handle;
TIM_HandleTypeDef TIM_PWMINPUT_Handle;
TIM_OC_InitTypeDef sConfig;


__IO uint16_t ChannelPulse = 5000;

__IO uint16_t IC2Value = 0;
__IO uint16_t IC1Value = 0;
__IO float DutyCycle = 0;
__IO float Frequency = 0;
 /**
  * @brief  <EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> TIMx,x=[1,8]ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ų<EFBFBD>ʼ<EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
static void TIMx_GPIO_Configuration(void)
{
    GPIO_InitTypeDef GPIO_InitStruct;
    //ʹ<>ܸ߼<DCB8><DFBC><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
    ADVANCE_TIM_CHx_CLK();
    //ʹ<><CAB9>ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
    GENERAL_TIM_CHx_CLK();
  
   
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; 
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH ;
    
    GPIO_InitStruct.Pin = GENERAL_TIM_CHx_PIN;
    GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
    HAL_GPIO_Init(GENERAL_TIM_CHx_PORT, &GPIO_InitStruct); 

    GPIO_InitStruct.Pin = ADVANCE_TIM_CHx_PIN;
    GPIO_InitStruct.Alternate = GPIO_AF3_TIM8;
    HAL_GPIO_Init(ADVANCE_TIM_CHx_PORT, &GPIO_InitStruct);
}  

/*
 * ע<EFBFBD>⣺TIM_TimeBaseInitTypeDef<EFBFBD>ṹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>TIM6<EFBFBD><EFBFBD>TIM7<EFBFBD>ļĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>
 * TIM_Prescaler<EFBFBD><EFBFBD>TIM_Period<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>TIM6<EFBFBD><EFBFBD>TIM7<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>͸߼<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
 *-----------------------------------------------------------------------------
 * TIM_Prescaler         <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * TIM_CounterMode			 TIMx,x[6,7]û<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * TIM_Period            <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * TIM_ClockDivision     TIMx,x[6,7]û<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>)
 * TIM_RepetitionCounter TIMx,x[1,8]<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>)
 *-----------------------------------------------------------------------------
 */
 
 /**
  * @brief  ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD>TIMx<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
static void TIMx_Output_Configuration(void)
{
    //ʹ<><CAB9>TIMx<4D><78>ʱ<EFBFBD><CAB1>
    GENERAL_TIM_CLK_ENABLE();    
    //TIMx<4D><78><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
    TIM_PWMOUTNPUT_Handle.Instance = GENERAL_TIM;
    //<2F><><EFBFBD><EFBFBD>ģʽΪ<CABD><CEAA><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    TIM_PWMOUTNPUT_Handle.Init.CounterMode = TIM_COUNTERMODE_UP;
    /* <20>ۼ<EFBFBD> TIM_Period<6F><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB><EFBFBD><EFBFBD>ж<EFBFBD>*/		
    //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>9999<39><39><EFBFBD><EFBFBD>Ϊ10000<30>Σ<EFBFBD>Ϊһ<CEAA><D2BB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
    TIM_PWMOUTNPUT_Handle.Init.Period = 10000 - 1;
    //ʱ<>Ӳ<EFBFBD><D3B2><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>TIM_CLKʱ<4B>Ӽ<EFBFBD>1<EFBFBD><31>
    TIM_PWMOUTNPUT_Handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    //<2F><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1>ԴTIMxCLK = 2 * PCLK1  
    //				PCLK1 = HCLK / 4 
    //				=> TIMxCLK=HCLK/2=SystemCoreClock/2=240MHz
    // <20>趨<EFBFBD><E8B6A8>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>Ϊ=TIMxCLK/(TIM_Prescaler+1)=1000000Hz
    TIM_PWMOUTNPUT_Handle.Init.Prescaler =  240 - 1;   
    // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>TIM
    HAL_TIM_PWM_Init(&TIM_PWMOUTNPUT_Handle);
  
    /* <20><><EFBFBD><EFBFBD>TIMΪ<4D><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ */
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PWM1ģʽ
    //<2F><><EFBFBD><EFBFBD>ֵCNTС<54>ڱȽ<DAB1>ֵCCR<43><52>sConfig.Pulse<73><65><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>xΪ<78><CEAA>Ч<EFBFBD><D0A7>ƽ
    //<2F><><EFBFBD><EFBFBD>ֵCNT<4E><54><EFBFBD>ڱȽ<DAB1>ֵCCR<43><52>sConfig.Pulse<73><65><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>xΪ<78><CEAA>Ч<EFBFBD><D0A7>ƽ
    sConfig.OCMode = TIM_OCMODE_PWM1;
    //CHx<48><78><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>ƽΪ<C6BD>ߵ<EFBFBD>ƽ
    sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
    //CHx<48>ڿ<EFBFBD><DABF><EFBFBD>״̬<D7B4><CCAC>Ϊ<EFBFBD>͵<EFBFBD>ƽ
    sConfig.OCIdleState = TIM_OCNIDLESTATE_RESET;
    //CHxN<78>ڿ<EFBFBD><DABF><EFBFBD>״̬<D7B4><CCAC>Ϊ<EFBFBD>ߵ<EFBFBD>ƽ(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CHx<48>෴)
    sConfig.OCNIdleState = TIM_OCIDLESTATE_SET;
    //CHxN<78><4E><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>ƽΪ<C6BD>ߵ<EFBFBD>ƽ
    sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH;
    //<2F>Ƚ<EFBFBD><C8BD><EFBFBD>CCR<43><52>ֵ
    sConfig.Pulse = ChannelPulse;
    //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD>ͨ<EFBFBD><CDA8>
    HAL_TIM_OC_ConfigChannel(&TIM_PWMOUTNPUT_Handle, &sConfig, GENERAL_TIM_CH);
 
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CHxʹ<78><CAB9>
    HAL_TIM_OC_Start(&TIM_PWMOUTNPUT_Handle, GENERAL_TIM_CH);

}


/**
  * @brief  ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD>TIMx<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
static void TIMx_Input_Configuration(void)
{
  
    TIM_IC_InitTypeDef TIM_IC_Config; 
    TIM_SlaveConfigTypeDef TIM_SlaveConfig;
  
    //ʹ<><CAB9>TIMx<4D><78>ʱ<EFBFBD><CAB1>
    ADVANCE_TIM_CLK_ENABLE();    
    //TIMx<4D><78><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
    TIM_PWMINPUT_Handle.Instance = ADVANCE_TIM;
    //<2F><><EFBFBD><EFBFBD>ģʽΪ<CABD><CEAA><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    TIM_PWMINPUT_Handle.Init.CounterMode = TIM_COUNTERMODE_UP;
    /* <20>ۼ<EFBFBD> TIM_Period<6F><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB><EFBFBD><EFBFBD>ж<EFBFBD>*/		
    //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>9999<39><39><EFBFBD><EFBFBD>Ϊ10000<30>Σ<EFBFBD>Ϊһ<CEAA><D2BB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
    TIM_PWMINPUT_Handle.Init.Period = 10000;
    //ʱ<>Ӳ<EFBFBD><D3B2><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>TIM_CLKʱ<4B>Ӽ<EFBFBD>1<EFBFBD><31>
    TIM_PWMINPUT_Handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    //<2F><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1>ԴTIMxCLK = 2 * PCLK1  
    //				PCLK1 = HCLK / 4 
    //				=> TIMxCLK=HCLK/2=SystemCoreClock/2=240MHz
    // <20>趨<EFBFBD><E8B6A8>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>Ϊ=TIMxCLK/(TIM_Prescaler+1)=100Hz
    TIM_PWMINPUT_Handle.Init.Prescaler =  240 - 1;   
    // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>TIM
    HAL_TIM_PWM_Init(&TIM_PWMINPUT_Handle);    
    
    /* IC1<43><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD><D8B4><EFBFBD>TI1FP1 */
    TIM_IC_Config.ICPolarity = TIM_ICPOLARITY_RISING;
    TIM_IC_Config.ICFilter = 0;
    TIM_IC_Config.ICPrescaler = TIM_ICPSC_DIV1;
    TIM_IC_Config.ICSelection = TIM_ICSELECTION_DIRECTTI; 
    HAL_TIM_IC_ConfigChannel(&TIM_PWMINPUT_Handle, &TIM_IC_Config, ADVANCE_TIM_IC_CH1);
    /* IC2<43><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><C2BD>ش<EFBFBD><D8B4><EFBFBD>TI1FP2 */
    TIM_IC_Config.ICPolarity = TIM_ICPOLARITY_FALLING;
    TIM_IC_Config.ICFilter = 0;
    TIM_IC_Config.ICPrescaler = TIM_ICPSC_DIV1;
    TIM_IC_Config.ICSelection = TIM_ICSELECTION_INDIRECTTI; 
    HAL_TIM_IC_ConfigChannel(&TIM_PWMINPUT_Handle, &TIM_IC_Config, ADVANCE_TIM_IC_CH2);    
    /* ѡ<><D1A1><EFBFBD><EFBFBD>ģʽ: <20><>λģʽ */
    TIM_SlaveConfig.SlaveMode = TIM_SLAVEMODE_RESET;
    /* ѡ<><D1A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>봥<EFBFBD><EBB4A5>: TI1FP1 */
    TIM_SlaveConfig.InputTrigger = TIM_TS_TI1FP1;
    HAL_TIM_SlaveConfigSynchronization(&TIM_PWMINPUT_Handle,&TIM_SlaveConfig);
    
    HAL_TIM_IC_Start_IT(&TIM_PWMINPUT_Handle,ADVANCE_TIM_IC_CH1);
    HAL_TIM_IC_Start_IT(&TIM_PWMINPUT_Handle,ADVANCE_TIM_IC_CH2);
}


/**
  * @brief  TIM<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */  
static void ADVANCE_TIM_NVIC_Config(void)
{
    HAL_NVIC_SetPriority(ADVANCE_TIM_IRQ, 0, 0);
    HAL_NVIC_EnableIRQ(ADVANCE_TIM_IRQ);
}
/**
  * @brief  <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>1ms<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
void TIM_Advance_Init(void)
{
    //TIMͨ<4D><CDA8><EFBFBD><EFBFBD><EFBFBD>ų<EFBFBD>ʼ<EFBFBD><CABC>
    TIMx_GPIO_Configuration();
    //<2F>߼<EFBFBD><DFBC><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>
    ADVANCE_TIM_NVIC_Config();
    //ͨ<><CDA8>TIM<49><4D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
    TIMx_Output_Configuration();
    //<2F>߼<EFBFBD>TIM<49><4D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
    TIMx_Input_Configuration();
}
/**
  * @brief  <EFBFBD><EFBFBD><EFBFBD>벶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϻص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  TIM_Handle : ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim)
{
    if (htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1)
    {
      /* <20><>ȡ<EFBFBD><C8A1><EFBFBD>벶<EFBFBD><EBB2B6>ֵ */
      IC1Value = HAL_TIM_ReadCapturedValue(&TIM_PWMINPUT_Handle,TIM_CHANNEL_1);
      IC2Value = HAL_TIM_ReadCapturedValue(&TIM_PWMINPUT_Handle,TIM_CHANNEL_2);	

      if (IC1Value != 0)
      {
      /* ռ<>ձȼ<D5B1><C8BC><EFBFBD> */
      DutyCycle = (float)((IC2Value+1) * 100) / (IC1Value+1);
 
      /* Ƶ<>ʼ<EFBFBD><CABC><EFBFBD> */
      Frequency = 240000000/240/(float)(IC1Value+1);
      

      }
      else
      {
      DutyCycle = 0;
      Frequency = 0;
      }

    }    
}
/*********************************************END OF FILE**********************/