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BTH_HCI_IOCTL_GET_NUM_UNSENT (Windows Embedded CE 6.0)

  • Article

1/6/2010

This IOCTL retrieves the number of packets pending before being sent to the card.

Parameters

  • hDeviceContext
    [in] Device context handle.
  • fSelector
    [in] Equals BTH_HCI_IOCTL_GET_NUM_UNSENT.
  • cInBuffer
    [in] Equals 0.
  • pInBuffer
    Not used.
  • cOutBuffer
    [in] Equals 4.

  • pOutBuffer
    [in] Must point to an aligned unsigned integer.

    [out] Gets the number of packets.

  • pcDataReturned
    [out] Equals cOutBuffer.

Return Values

If the call succeeds, the return value is ERROR_SUCCESS.

If the function fails, the following table shows a list of possible error values.

Error value Description

ERROR_INVALID_PARAMETER

Parameters are invalid (buffers are not properly sized).

ERROR_SERVICE_NOT_ACTIVE

HCI is not active or there is no hardware.

Requirements

Header bt_ddi.h
Windows Embedded CE Windows CE .NET 4.0 and later

See Also

Reference

Bluetooth Stack Extension Layer IOCTLs