将Windows中的蓝牙设备与c配对

它总是返回错误代码0x05,根据bthdefs.h定义为BTH_ERROR_AUTHENTICATION_FAILURE.

所以这里奇怪的部分.它永远不会尝试进行身份验证.在调用期间应调用以提供密钥的回调函数不会被调用.我已经确认它会被其他设备(如耳机)调用.

我已经尝试使用BluetoothAuthenticateDeviceEx()而没有回调函数,它应该在Windows中弹出GUI来完成配对.它弹出我的耳机和其他设备,它不会弹出我的设备.

作为旁注,我可以使用Window的蓝牙向导配对设备就好了.它只是拒绝以编程方式工作.

我无法弄清楚我正在使用的winapi代码和windows’向导在配对期间正在做什么之间的区别.

这是我能得到的最简单的测试应用程序.我真正的应用程序使用Qt和mingw来构建.此应用程序使用MSVC 2012和纯Windows代码来从问题中删除任何混淆.我的所有代码都有与错误代码5相同的问题.

#include <windows.h>
#include "bthdef.h"
#include "BluetoothAPIs.h"
#include <tchar.h>
#include <string>
#include <iostream>
#include <vector>

#pragma comment(lib,"bthprops.lib")

using namespace std;

vector<BLUETOOTH_DEVICE_INFO> scanDevices()
{
    vector<BLUETOOTH_DEVICE_INFO> res;

    BLUETOOTH_DEVICE_SEARCH_PARAMS bdsp;
    BLUETOOTH_DEVICE_INFO bdi;
    HBLUETOOTH_DEVICE_FIND hbf;

    ZeroMemory(&bdsp,sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS));

    // set options for how we want to load our list of BT devices
    bdsp.dwSize = sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS);
    bdsp.fReturnAuthenticated = TRUE;
    bdsp.fReturnRemembered = TRUE;
    bdsp.fReturnUnknown = TRUE;
    bdsp.fReturnConnected = TRUE;
    bdsp.fIssueInquiry = TRUE;
    bdsp.cTimeoutMultiplier = 4;
    bdsp.hRadio = NULL;

    bdi.dwSize = sizeof(bdi);

    // enumerate our bluetooth devices
    hbf = BluetoothFindFirstDevice(&bdsp,&bdi);
    if (hbf)
    {
        do
        {
            res.push_back(bdi);
        } while (BluetoothFindNextDevice(hbf,&bdi));

        // close our device enumerator
        BluetoothFindDeviceClose(hbf);
    }

    return res;
}

BOOL CALLBACK bluetoothAuthCallback(LPVOID param,PBLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS params)
{
    cout << "callback happened" << endl;
    return TRUE;
}

void pairDevice(BLUETOOTH_DEVICE_INFO device)
{
    wstring ws = device.szName;
    cout << "Pairing device " << string(ws.begin(),ws.end()) << endl;

    // register callback
    cout << "Registering callback" << endl;
    HBLUETOOTH_AUTHENTICATION_REGISTRATION hCallbackHandle = 0;
    DWORD result = BluetoothRegisterForAuthenticationEx(&device,&hCallbackHandle,(PFN_AUTHENTICATION_CALLBACK_EX)&bluetoothAuthCallback,NULL);
    if (result != ERROR_SUCCESS)
    {
        cout << "Failed to register callback" << endl;
        return;
    }

    // authenticate
    result = BluetoothAuthenticateDeviceEx(NULL,NULL,&device,MITMProtectionNotRequired);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionRequired);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionNotRequiredBonding);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionRequiredBonding);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionNotRequiredGeneralBonding);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionRequiredGeneralBonding);
    //DWORD result = BluetoothAuthenticateDeviceEx(NULL,MITMProtectionNotDefined);
    switch (result)
    {
    case ERROR_SUCCESS:
        cout << "pair device success" << endl;
        break;

    case ERROR_CANCELLED:
        cout << "pair device failed,user cancelled" << endl;
        break;

    case ERROR_INVALID_PARAMETER:
        cout << "pair device failed,invalid parameter" << endl;
        break;

    case ERROR_NO_MORE_ITEMS:
        cout << "pair device failed,device appears paired already" << endl;
        break;

    default:
        cout << "pair device failed,unknown error,code " << (unsigned int)result << endl;
        break;
    }
}

int _tmain(int argc,_TCHAR *argv[])
{
    cout << "Scanning bluetooth devices..." << endl;
    cout.flush();

    // scan devices
    vector<BLUETOOTH_DEVICE_INFO> devices = scanDevices();

    cout << "Got " << devices.size() << " devices" << endl;

    // list all devices
    int pdIndex = -1;
    int foundDev = -1;
    vector<BLUETOOTH_DEVICE_INFO>::const_iterator devci;
    for (devci=devices.begin();devci!=devices.end();devci++)
    {
        pdIndex++;
        wstring ws = (*devci).szName;
        cout << "Device: " << string(ws.begin(),ws.end()) << endl;

        // see if we find our device (case sensitive)
        if (ws.find(L"smp") != string::npos)
            foundDev = pdIndex;
    }

    // pick our ismp device
    if (foundDev == -1)
    {
        cout << "Could not find a device to pair" << endl;
        return 1;
    }

    BLUETOOTH_DEVICE_INFO pd = devices[foundDev];
    wstring ws = pd.szName;
    cout << "Found device to pair," << string(ws.begin(),ws.end()) << endl;

    // attempt to pair device
    pairDevice(pd);

    return 0;
}