C++ (Cpp) USB_OTG_ReadHPRT0 примеры использования

Пример #1

Файл: usb_otg.c Проект: Babbleshack/firmware

/**
  * @brief  USB_OTG_InitiateHNP
  *         Initiate HNP
  * @param  None
  * @retval : None
  */
void USB_OTG_InitiateHNP(USB_OTG_CORE_HANDLE *pdev , uint8_t state, uint8_t mode)
{
  USB_OTG_GOTGCTL_TypeDef   otgctl;
  USB_OTG_HPRT0_TypeDef    hprt0;

  otgctl.d32 = 0;
  hprt0.d32  = 0;

  otgctl.d32 = USB_OTG_READ_REG32( &pdev->regs.GREGS->GOTGCTL );
  if (mode)
  { /* Device mode */
    if (state)
    {

      otgctl.b.devhnpen = 1; /* B-Dev has been enabled to perform HNP         */
      otgctl.b.hnpreq   = 1; /* Initiate an HNP req. to the connected USB host*/
      USB_OTG_WRITE_REG32(&pdev->regs.GREGS->GOTGCTL, otgctl.d32);
    }
  }
  else
  { /* Host mode */
    if (state)
    {
      otgctl.b.hstsethnpen = 1; /* A-Dev has enabled B-device for HNP       */
      USB_OTG_WRITE_REG32(&pdev->regs.GREGS->GOTGCTL, otgctl.d32);
      /* Suspend the bus so that B-dev will disconnect indicating the initial condition for HNP to DWC_Core */
      hprt0.d32  = USB_OTG_ReadHPRT0(pdev);
      hprt0.b.prtsusp = 1; /* The core clear this bit when disconnect interrupt generated (GINTSTS.DisconnInt = '1') */
      USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
    }
  }
}

Пример #2

Файл: usb_core.c Проект: m4th3u5/USB-HID--host-keyboard-anbt2-final-com-acento--repete--limites---menu-e-correcoes

//--------------------------------------------------------------
uint32_t USB_OTG_ResetPort(USB_OTG_CORE_HANDLE *pdev)
{
  USB_OTG_HPRT0_TypeDef  hprt0;
  
  hprt0.d32 = USB_OTG_ReadHPRT0(pdev);
  hprt0.b.prtrst = 1;
  USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
  USB_OTG_BSP_mDelay (10);                                /* See Note #1 */
  hprt0.b.prtrst = 0;
  USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
  USB_OTG_BSP_mDelay (20);   
  return 1;
}

Пример #3

Файл: usbh_core.c Проект: bleuelotus/SweepRobot_Testing_Host_STemWin

/**
  * @brief  USB_OTG_BSP_Suspend
  *         Handles the Enter USB to Suspend Mode
  * @param  pdev: Selected device
  * @retval Status
  */
void USB_OTG_BSP_Suspend(USB_OTG_CORE_HANDLE *pdev)
{
  USB_OTG_HPRT0_TypeDef    hprt0;
  USB_OTG_PCGCCTL_TypeDef  power;
  hprt0.d32  = 0;
  hprt0.d32  = USB_OTG_ReadHPRT0(pdev);
  hprt0.b.prtsusp = 1; 
  USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
  
  /*  switch-off the clocks */
  power.d32 = 0;
  power.b.stoppclk = 1;
  USB_OTG_MODIFY_REG32(pdev->regs.PCGCCTL, 0, power.d32);  
  
  power.b.gatehclk = 1;
  USB_OTG_MODIFY_REG32(pdev->regs.PCGCCTL, 0, power.d32);
}

Пример #4

Файл: usb_core.c Проект: m4th3u5/USB-HID--host-keyboard-anbt2-final-com-acento--repete--limites---menu-e-correcoes

//--------------------------------------------------------------
void USB_OTG_DriveVbus (USB_OTG_CORE_HANDLE *pdev, uint8_t state)
{
  USB_OTG_HPRT0_TypeDef     hprt0;
  
  hprt0.d32 = 0;
  
  /* enable disable the external charge pump */
  USB_OTG_BSP_DriveVBUS(pdev, state);
  
  /* Turn on the Host port power. */
  hprt0.d32 = USB_OTG_ReadHPRT0(pdev);
  if ((hprt0.b.prtpwr == 0 ) && (state == 1 ))
  {
    hprt0.b.prtpwr = 1;
    USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
  }
  if ((hprt0.b.prtpwr == 1 ) && (state == 0 ))
  {
    hprt0.b.prtpwr = 0;
    USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0.d32);
  }
  
  USB_OTG_BSP_mDelay(200);
}