/**
  * @brief  This function handles Host Port interrupt requests.
  * @param  hhcd: HCD handle
  * @retval None
  */
static void HCD_Port_IRQHandler (HCD_HandleTypeDef *hhcd)
{
  USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;  
  __IO uint32_t hprt0 = 0, hprt0_dup = 0;
  
  /* Handle Host Port Interrupts */
  hprt0 = USBx_HPRT0;
  hprt0_dup = USBx_HPRT0;
  
  hprt0_dup &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
                 USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
  
  /* Check whether Port Connect Detected */
  if((hprt0 & USB_OTG_HPRT_PCDET) == USB_OTG_HPRT_PCDET)
  {
    if((hprt0 & USB_OTG_HPRT_PCSTS) == USB_OTG_HPRT_PCSTS)
    {
      USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
      HAL_HCD_Connect_Callback(hhcd);
    }
    hprt0_dup  |= USB_OTG_HPRT_PCDET;
  }
  
  /* Check whether Port Enable Changed */
  if((hprt0 & USB_OTG_HPRT_PENCHNG) == USB_OTG_HPRT_PENCHNG)
  {
    hprt0_dup |= USB_OTG_HPRT_PENCHNG;
    
    if((hprt0 & USB_OTG_HPRT_PENA) == USB_OTG_HPRT_PENA)
    {
      if ((hprt0 & USB_OTG_HPRT_PSPD) == (HPRT0_PRTSPD_LOW_SPEED << 17))
      {
        USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_6_MHZ );
      }
      else
      {
        USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
      }
      HAL_HCD_Connect_Callback(hhcd);
    }
    else
    {
      /* Cleanup HPRT */
      USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
        USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
      
      USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT); 
    }
  }
  
  /* Check For an over current */
  if((hprt0 & USB_OTG_HPRT_POCCHNG) == USB_OTG_HPRT_POCCHNG)
  {
    hprt0_dup |= USB_OTG_HPRT_POCCHNG;
  }
  
  /* Clear Port Interrupts */
  USBx_HPRT0 = hprt0_dup;
}
示例#2
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/**
  * @brief  This function handles HCD interrupt request.
  * @param  hhcd: HCD handle
  * @retval none
  */
void HAL_HCD_IRQHandler(HCD_HandleTypeDef *hhcd)
{
  USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
  uint32_t i = 0 , interrupt = 0;
  
  /* ensure that we are in device mode */
  if (USB_GetMode(hhcd->Instance) == USB_OTG_MODE_HOST)
  {
    /* avoid spurious interrupt */
    if(__HAL_HCD_IS_INVALID_INTERRUPT(hhcd)) 
    {
      return;
    }
    
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT))
    {
     /* incorrect mode, acknowledge the interrupt */
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT);
    }
    
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR))
    {
     /* incorrect mode, acknowledge the interrupt */
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR);
    }

    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE))
    {
     /* incorrect mode, acknowledge the interrupt */
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE);
    }   
    
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_MMIS))
    {
     /* incorrect mode, acknowledge the interrupt */
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_MMIS);
    }     
    
    /* Handle Host Disconnect Interrupts */
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT))
    {
      
      /* Cleanup HPRT */
      USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
        USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
       
      /* Handle Host Port Interrupts */
      HAL_HCD_Disconnect_Callback(hhcd);
       USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT);
    }
    
    /* Handle Host Port Interrupts */
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HPRTINT))
    {
      HCD_Port_IRQHandler (hhcd);
    }
    
    /* Handle Host SOF Interrupts */
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_SOF))
    {
      HAL_HCD_SOF_Callback(hhcd);
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_SOF);
    }
          
    /* Handle Host channel Interrupts */
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HCINT))
    {
      
      interrupt = USB_HC_ReadInterrupt(hhcd->Instance);
      for (i = 0; i < hhcd->Init.Host_channels ; i++)
      {
        if (interrupt & (1 << i))
        {
          if ((USBx_HC(i)->HCCHAR) &  USB_OTG_HCCHAR_EPDIR)
          {
            HCD_HC_IN_IRQHandler (hhcd, i);
          }
          else
          {
            HCD_HC_OUT_IRQHandler (hhcd, i);
          }
        }
      }
      __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_HCINT);
    } 
    
        /* Handle Rx Queue Level Interrupts */
    if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_RXFLVL))
    {
      USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
      
      HCD_RXQLVL_IRQHandler (hhcd);
      
      USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
    }
    
  }
}
/**
  * @brief  This function handles Host Port interrupt requests.
  * @param  hhcd: HCD handle
  * @retval None
  */
static void HCD_Port_IRQHandler  (HCD_HandleTypeDef *hhcd)
{
  USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;  
  __IO uint32_t hprt0, hprt0_dup;
  
  /* Handle Host Port Interrupts */
  hprt0 = USBx_HPRT0;
  hprt0_dup = USBx_HPRT0;
  
  hprt0_dup &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
                 USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
  
  /* Check whether Port Connect Detected */
  if((hprt0 & USB_OTG_HPRT_PCDET) == USB_OTG_HPRT_PCDET)
  {
    if (DebugConfig.print_hcd_event) {
      USBH_PutMessage("CONNECT");
    }
    
    if((hprt0 & USB_OTG_HPRT_PCSTS) == USB_OTG_HPRT_PCSTS)
    {
      USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
      /* connect callback is used for port up only, now */
//      HAL_HCD_Connect_Callback(hhcd);
    }
    hprt0_dup  |= USB_OTG_HPRT_PCDET;
    
  }
  
  /* Check whether Port Enable Changed */
  if((hprt0 & USB_OTG_HPRT_PENCHNG) == USB_OTG_HPRT_PENCHNG)
  {
    hprt0_dup |= USB_OTG_HPRT_PENCHNG;
    
    if((hprt0 & USB_OTG_HPRT_PENA) == USB_OTG_HPRT_PENA)
    {    
      if (DebugConfig.print_hcd_event) {
        USBH_PutMessage("PORTUP");
      }

      if(hhcd->Init.phy_itface  == USB_OTG_EMBEDDED_PHY)
      {
        if ((hprt0 & USB_OTG_HPRT_PSPD) == (HPRT0_PRTSPD_LOW_SPEED << 17))
        {
          USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_6_MHZ );
        }
        else
        {
          USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
        }
      }
      else
      {
        if(hhcd->Init.speed == HCD_SPEED_FULL)
        {
          USBx_HOST->HFIR = (uint32_t)60000;
        }
      }
      HAL_HCD_Connect_Callback(hhcd);
      
      if(hhcd->Init.speed == HCD_SPEED_HIGH)
      {
        USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT); 
      }
    }
    else
    {
      if (DebugConfig.print_hcd_event) {
        USBH_PutMessage("PORTDOWN");
      }

      /* Cleanup HPRT */
      USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
        USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
      
      USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT); 

      // This is EXTREMELY important to clean up hardware here
      // Other ways won't do if DMA is enabled, you got very unstable
      // enumeration during disconnect and reconnect
      if (DebugConfig.do_nothing_after_port_down)
      {
      }
      else if (DebugConfig.do_only_disable_global_int_after_port_down)
      {
        __HAL_HCD_DISABLE(hhcd);
      }
      else
      {
        HAL_HCD_Stop(hhcd);
      }
      HAL_HCD_Disconnect_Callback(hhcd);
    }    
  }
  
  /* Check for an overcurrent */
  if((hprt0 & USB_OTG_HPRT_POCCHNG) == USB_OTG_HPRT_POCCHNG)
  {
    hprt0_dup |= USB_OTG_HPRT_POCCHNG;
  }

  /* Clear Port Interrupts */
  USBx_HPRT0 = hprt0_dup;
}