BthPerformInquiry

  • 项目

This function performs an Inquiry operation.

int BthPerformInquiry(
  unsigned int LAP,
  unsigned char length,
  unsigned char num_responses,
  unsigned int cBuffer,
  unsigned int* pcDiscoveredDevices,
  BthInquiryResult* InquiryList
);

Parameters

  • LAP
    [in] The GIAC LAP code. For general inquiry, use 0x9e8b33. For more information about LAP codes, see the Bluetooth Core Specification.
  • length
    [in] The inquiry length, in 1.28 sec intervals.
  • num_responses
    [in] The maximum number of responses to consider before the inquiry completes. To consider unlimited responses, use zero (0).
  • cBuffer
    [in] The size of the result buffer.
  • pcDiscoveredDevices
    [out] The number of devices returned during inquiry process. If pcDiscoveredDevices is greater than cBuffer, then only the cBuffer results are returned in InquiryList.
  • InquiryList
    [in] Pointer to the output buffer.

Return Values

This function returns ERROR_SUCCESS when it completes successfully.

A return value of ERROR_SERVICE_NOT_ACTIVE indicates that the hardware is not inserted or that the Bluetooth stack is not present.

Other standard error codes may be returned as appropriate.

Remarks

For more information about this function, see the Inquiry part of the Bluetooth Core Specification.

Requirements

OS Versions: Windows CE .NET 4.2 and later.
Header: Bt_api.h.
Link Library: Btdrt.lib.

See Also

Bluetooth Platform Development Functions | Bluetooth | WSALookupServiceBegin | WSALookupServiceNext | WSALookupServiceEnd

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.