C++ (Cpp) USB_NEXT_BIT Beispiele

Beispiel #1

Datei: UsbEnumer.c Projekt: Kohrara/edk

VOID
EFIAPI
UsbHubEnumeration (
  IN EFI_EVENT            Event,
  IN VOID                 *Context
  )
/*++

Routine Description:

  Enumerate all the changed hub ports

Arguments:

  Event   - The event that is triggered
  Context - The context to the event

Returns:

  None

--*/
{
  USB_INTERFACE           *HubIf;
  UINT8                   Byte;
  UINT8                   Bit;
  UINT8                   Index;

  ASSERT (Context);

  HubIf = (USB_INTERFACE *) Context;

  if (HubIf->ChangeMap == NULL) {
    return ;
  }
  
  //
  // HUB starts its port index with 1.
  //
  Byte  = 0;
  Bit   = 1;

  for (Index = 0; Index < HubIf->NumOfPort; Index++) {
    if (USB_BIT_IS_SET (HubIf->ChangeMap[Byte], USB_BIT (Bit))) {
      UsbEnumeratePort (HubIf, Index);
    }

    USB_NEXT_BIT (Byte, Bit);
  }

  UsbHubAckHubStatus (HubIf->Device);

  gBS->FreePool (HubIf->ChangeMap);
  HubIf->ChangeMap = NULL;
  return ;
}

Beispiel #2

Datei: UsbEnumer.c Projekt: Clover-EFI-Bootloader/clover

/**
  Enumerate all the changed hub ports.

  @param  Event                 The event that is triggered.
  @param  Context               The context to the event.

**/
VOID
EFIAPI
UsbHubEnumeration (
  IN EFI_EVENT            Event,
  IN VOID                 *Context
  )
{
  USB_INTERFACE           *HubIf;
  UINT8                   Byte;
  UINT8                   Bit;
  UINT8                   Index;
  USB_DEVICE              *Child;

//  ASSERT (Context != NULL);
  if (!Context) {
    return;
  }

  HubIf = (USB_INTERFACE *) Context;

  for (Index = 0; Index < HubIf->NumOfPort; Index++) {
    Child = UsbFindChild (HubIf, Index);
    if ((Child != NULL) && (Child->DisconnectFail == TRUE)) {
  //    DEBUG (( EFI_D_INFO, "UsbEnumeratePort: The device disconnect fails at port %d from hub %p, try again\n", Index, HubIf));
      DBG("UsbEnumeratePort: The device disconnect fails at port %d from hub %p, try again\n", Index, HubIf);
      UsbRemoveDevice (Child);
    }
  }

  if (HubIf->ChangeMap == NULL) {
    return ;
  }

  //
  // HUB starts its port index with 1.
  //
  Byte  = 0;
  Bit   = 1;
  DBG("Enumerate %d ports\n", HubIf->NumOfPort);
  for (Index = 0; Index < HubIf->NumOfPort; Index++) {
    if (USB_BIT_IS_SET (HubIf->ChangeMap[Byte], USB_BIT (Bit))) {
      UsbEnumeratePort (HubIf, Index);
      DBG("Port %d enumerated\n", Index);
    }

    USB_NEXT_BIT (Byte, Bit);
  }

  UsbHubAckHubStatus (HubIf->Device);

  gBS->FreePool (HubIf->ChangeMap);
  HubIf->ChangeMap = NULL;
  return ;
}

Beispiel #3

Datei: UsbEnumer.c Projekt: RafaelRMachado/MinnowBoard

/**
  Enumerate all the changed hub ports.

  @param  Event                 The event that is triggered.
  @param  Context               The context to the event.

**/
VOID
EFIAPI
UsbHubEnumeration (
  IN EFI_EVENT            Event,
  IN VOID                 *Context
  )
{
  USB_INTERFACE           *HubIf;
  UINT8                   Byte;
  UINT8                   Bit;
  UINT8                   Index;

  ASSERT (Context != NULL);

  HubIf = (USB_INTERFACE *) Context;

  if (HubIf->ChangeMap == NULL) {
    return ;
  }

  //
  // HUB starts its port index with 1.
  //
  Byte  = 0;
  Bit   = 1;

  for (Index = 0; Index < HubIf->NumOfPort; Index++) {
    if (USB_BIT_IS_SET (HubIf->ChangeMap[Byte], USB_BIT (Bit))) {
      UsbEnumeratePort (HubIf, Index);
    }

    USB_NEXT_BIT (Byte, Bit);
  }

  UsbHubAckHubStatus (HubIf->Device);

  gBS->FreePool (HubIf->ChangeMap);
  HubIf->ChangeMap = NULL;
  return ;
}