实例介绍
【实例简介】
【实例截图】
【核心代码】
#include "StdAfx.h"
#include "BlueTooth.h"
CBlueTooth::CBlueTooth(void)
{
m_Ary_RemoteBthDevInfo.SetSize ( 0, 10*sizeof(BLUETOOTH_DEVICE_INFO) );
m_Ary_LocalRadioInfo.SetSize ( 0, 10*sizeof(t_LocalRadioInfo) );
}
CBlueTooth::~CBlueTooth(void)
{
RemoveAll_RemoteBthDevInfo ();
RemoveAllLocalRadio ();
}
//
// 用 Socket 函数搜索附近的蓝牙设备，成功时返回设备数，否则返回-1
//
int CBlueTooth::WSAScanNearbyBthDev ()
{
m_Ary_RemoteBthDevInfo.RemoveAll ();
WSAQUERYSET wsaq;
HANDLE hLookup;
union
{
CHAR buf[5000];
double __unused; // ensure proper alignment
};
LPWSAQUERYSET pwsaResults = (LPWSAQUERYSET) buf;
DWORD dwSize = sizeof(buf);
BOOL bHaveName;
ZeroMemory(&wsaq, sizeof(wsaq));
wsaq.dwSize = sizeof(wsaq);
wsaq.dwNameSpace = NS_BTH;
wsaq.lpcsaBuffer = NULL;
if (ERROR_SUCCESS != WSALookupServiceBegin (&wsaq, LUP_CONTAINERS, &hLookup))
{
TRACE ( _T("WSALookupServiceBegin failed\n") );
return -1;
}
ZeroMemory(pwsaResults, sizeof(WSAQUERYSET));
pwsaResults->dwSize = sizeof(WSAQUERYSET);
pwsaResults->dwNameSpace = NS_BTH;
pwsaResults->lpBlob = NULL;
while (ERROR_SUCCESS == WSALookupServiceNext (hLookup, LUP_RETURN_NAME | LUP_RETURN_ADDR, &dwSize, pwsaResults))
{
ASSERT (pwsaResults->dwNumberOfCsAddrs == 1);
BTH_ADDR b = ((SOCKADDR_BTH *)pwsaResults->lpcsaBuffer->RemoteAddr.lpSockaddr)->btAddr;
bHaveName = pwsaResults->lpszServiceInstanceName && *(pwsaResults->lpszServiceInstanceName);
t_RemoteBthDevInfo RemoteBthDevInfo;
if ( bHaveName )
{
StringCchPrintf ( RemoteBthDevInfo.szName, sizeof(RemoteBthDevInfo.szName), _T("%s"),
pwsaResults->lpszServiceInstanceName );
}
RemoteBthDevInfo.Address.ullLong = b;
TRACE (L"%s ( %04x%08x )\n", RemoteBthDevInfo.szName, GET_NAP(b), GET_SAP(b) );
m_Ary_RemoteBthDevInfo.Add ( RemoteBthDevInfo );
}
WSALookupServiceEnd(hLookup);
return (int)m_Ary_RemoteBthDevInfo.GetSize();
}
BOOL AUTHENTICATION_CALLBACK (LPVOID pvParam, PBLUETOOTH_DEVICE_INFO pDevice)
{
t_AUTHENTICATION_CALLBACK_Para *pAUTHENTICATION_CALLBACK_Para = (t_AUTHENTICATION_CALLBACK_Para*)pvParam;
if ( pAUTHENTICATION_CALLBACK_Para )
{
pDevice->fAuthenticated = TRUE;
DWORD result = BluetoothUpdateDeviceRecord ( pDevice );
ASSERT ( result == ERROR_SUCCESS );
result = BluetoothSendAuthenticationResponse ( pAUTHENTICATION_CALLBACK_Para->hRadio, pDevice, AUTHENTICATION_PASSKEY );
if ( result == ERROR_SUCCESS )
return TRUE;
}
return FALSE;
}
//
// 用蓝牙 APIs 搜索附近的蓝牙设备，成功时返回设备数，否则返回-1
//
int CBlueTooth::ScanNearbyBthDev (
HANDLE hRadio,
BOOL fReturnAuthenticated/* = TRUE*/,
BOOL fReturnRemembered/* = TRUE*/,
BOOL fReturnUnknown/* = TRUE*/,
BOOL fReturnConnected/* = TRUE*/,
BOOL fIssueInquiry/* = FALSE*/,
UCHAR cTimeoutMultiplier/* = 30*/
)
{
RemoveAll_RemoteBthDevInfo ();
CWaitCursor WaitCursor;
BLUETOOTH_DEVICE_INFO bdi = { sizeof(BLUETOOTH_DEVICE_INFO) };
BLUETOOTH_DEVICE_SEARCH_PARAMS bdsp;
HBLUETOOTH_DEVICE_FIND hbf;
ZeroMemory(&bdsp, sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS));
bdsp.dwSize = sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS);
bdsp.hRadio = hRadio;
bdsp.fReturnAuthenticated = fReturnAuthenticated;
bdsp.fReturnRemembered = fReturnRemembered;
bdsp.fReturnUnknown = fReturnUnknown;
bdsp.fReturnConnected = fReturnConnected;
bdsp.fIssueInquiry = fIssueInquiry;
bdsp.cTimeoutMultiplier = cTimeoutMultiplier;
hbf = BluetoothFindFirstDevice(&bdsp, &bdi);
if (hbf == NULL) return -1;
while(true)
{
TRACE ( _T("%s ( %s )\n"), bdi.szName, FormatBthAddress(bdi.Address.rgBytes) );
t_RemoteBthDevInfo RemoteBthDevInfo;
RemoteBthDevInfo.hRadio = hRadio;
RemoteBthDevInfo.Address.ullLong = bdi.Address.ullLong;
_snwprintf_s ( RemoteBthDevInfo.szName, LENGTH(RemoteBthDevInfo.szName), _T("%s"), bdi.szName );
// 枚举服务
EnumerateInstalledServices ( RemoteBthDevInfo );
// 注册配对回调函数
RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para = new t_AUTHENTICATION_CALLBACK_Para;
if ( RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para )
{
RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para->lpBlueTooth = this;
RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para->hRadio = hRadio;
}
BluetoothRegisterForAuthentication ( &bdi, &RemoteBthDevInfo.hRegHandle, AUTHENTICATION_CALLBACK, RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para );
m_Ary_RemoteBthDevInfo.Add ( RemoteBthDevInfo );
if ( !BluetoothFindNextDevice(hbf, &bdi) )
break;
}
BluetoothFindDeviceClose(hbf);
return (int)m_Ary_RemoteBthDevInfo.GetSize();
}
//
// 用向导手工搜索附近的蓝牙设备并建立连接，得到设备的详细信息，成功时返回设备数
//
int CBlueTooth::ScanNearbyBthDev_Wizard (
HWND hwndParent,
HANDLE hRadio,
LPWSTR pszInfo/*=NULL*/, // IN If not NULL, sets the "information" text
BOOL fForceAuthentication/*=FALSE*/, // IN If TRUE, authenication will be forced before returning
BOOL fShowAuthenticated/*=FALSE*/, // IN If TRUE, authenticated devices will be shown in the picker
BOOL fShowRemembered/*=TRUE*/, // IN If TRUE, remembered devices will be shown in the picker
BOOL fShowUnknown/*=TRUE*/, // IN If TRUE, unknown devices that are not authenticated or "remember" will be shown.
BOOL fAddNewDeviceWizard/*=TRUE*/, // IN If TRUE, invokes the add new device wizard.
BOOL fSkipServicesPage/*=FALSE*/, // IN If TRUE, skips the "Services" page in the wizard.
PFN_DEVICE_CALLBACK pfnDeviceCallback/*=NULL*/, // IN If non-NULL, a callback that will be called for each device. If the
// the callback returns TRUE, the item will be added. If the callback is
// is FALSE, the item will not be shown.
LPVOID pvParam/*=NULL*/ // IN Parameter to be passed to pfnDeviceCallback as the pvParam.
)
{
RemoveAll_RemoteBthDevInfo ();
BLUETOOTH_SELECT_DEVICE_PARAMS btsdp = { sizeof(btsdp) };
btsdp.hwndParent = hwndParent;
btsdp.pszInfo = pszInfo;
btsdp.fForceAuthentication = fForceAuthentication;
btsdp.fShowAuthenticated = fShowAuthenticated;
btsdp.fShowRemembered = fShowRemembered;
btsdp.fShowUnknown = fShowUnknown;
btsdp.fAddNewDeviceWizard = fAddNewDeviceWizard;
btsdp.fSkipServicesPage = fSkipServicesPage;
btsdp.pfnDeviceCallback = pfnDeviceCallback;
btsdp.pvParam = pvParam;
BOOL b = BluetoothSelectDevices( &btsdp );
if ( b )
{
BLUETOOTH_DEVICE_INFO *pbtdi = btsdp.pDevices;
for ( ULONG cDevice = 0; cDevice < btsdp.cNumDevices; cDevice )
{
if ( pbtdi->fAuthenticated || pbtdi->fRemembered )
{
t_RemoteBthDevInfo RemoteBthDevInfo;
RemoteBthDevInfo.hRadio = hRadio;
RemoteBthDevInfo.Address = pbtdi->Address;
_snwprintf_s ( RemoteBthDevInfo.szName, LENGTH(RemoteBthDevInfo.szName), _T("%s"), pbtdi->szName );
EnumerateInstalledServices ( RemoteBthDevInfo );
m_Ary_RemoteBthDevInfo.Add ( RemoteBthDevInfo );
}
pbtdi = (BLUETOOTH_DEVICE_INFO *) ((LPBYTE)pbtdi pbtdi->dwSize);
}
BluetoothSelectDevicesFree( &btsdp );
}
return (int)m_Ary_RemoteBthDevInfo.GetSize();
}
//
// 根据远程蓝牙设备的地址获取详细信息
//
BOOL CBlueTooth::BluetoothGetDeviceInfo ( IN t_RemoteBthDevInfo& RemoteBthDevInfo, OUT BLUETOOTH_DEVICE_INFO *pbtdi )
{
BLUETOOTH_DEVICE_INFO bdi = { sizeof(BLUETOOTH_DEVICE_INFO) };
bdi.Address.ullLong = RemoteBthDevInfo.Address.ullLong;
if ( ERROR_SUCCESS != ::BluetoothGetDeviceInfo ( RemoteBthDevInfo.hRadio, &bdi ) )
return FALSE;
if ( pbtdi ) memcpy ( pbtdi, &bdi, sizeof(BLUETOOTH_DEVICE_INFO) );
return TRUE;
}
BOOL CBlueTooth::BluetoothSetServiceState ( HANDLE hRadio, BLUETOOTH_DEVICE_INFO &bdi, GUID guidService, DWORD dwServiceFlags )
{
DWORD result = ::BluetoothSetServiceState(hRadio, &bdi, &guidService, dwServiceFlags);
if ( ERROR_SUCCESS != result && ERROR_SERVICE_DOES_NOT_EXIST != result )
{
TRACE ( _T("BluetoothSetServiceState failed : %s\n"), hwFormatMessage (result) );
return FALSE;
}
return TRUE;
}
// 枚举已安装的服务
int CBlueTooth::EnumerateInstalledServices( t_RemoteBthDevInfo& RemoteBthDevInfo )
{
BLUETOOTH_DEVICE_INFO bdi = { sizeof(BLUETOOTH_DEVICE_INFO) };
if ( !BluetoothGetDeviceInfo ( RemoteBthDevInfo, &bdi ) )
return -1;
BluetoothSetServiceState ( RemoteBthDevInfo.hRadio, bdi, SerialPortServiceClass_UUID, BLUETOOTH_SERVICE_ENABLE );
BluetoothSetServiceState ( RemoteBthDevInfo.hRadio, bdi, LANAccessUsingPPPServiceClass_UUID, BLUETOOTH_SERVICE_ENABLE );
BluetoothSetServiceState ( RemoteBthDevInfo.hRadio, bdi, DialupNetworkingServiceClass_UUID, BLUETOOTH_SERVICE_ENABLE );
if ( !BluetoothGetDeviceInfo ( RemoteBthDevInfo, &bdi ) )
return -1;
DWORD numServices = LENGTH(RemoteBthDevInfo.guidServices);
DWORD result = BluetoothEnumerateInstalledServices(RemoteBthDevInfo.hRadio,&bdi, &numServices, RemoteBthDevInfo.guidServices);
if ( ERROR_SUCCESS == result ) return numServices;
return -1;
}
// 显示序号为 nIndex 的蓝牙设备属性框
BOOL CBlueTooth::ShowPropertySheet(int nIndex, HWND hwdParent/*=NULL*/)
{
if ( nIndex < 0 || nIndex >=m_Ary_RemoteBthDevInfo.GetSize() )
return FALSE;
t_RemoteBthDevInfo &RemoteBthDevInfo = m_Ary_RemoteBthDevInfo.GetAt ( nIndex );
BLUETOOTH_DEVICE_INFO bdi = { sizeof(BLUETOOTH_DEVICE_INFO) };
if ( !BluetoothGetDeviceInfo ( RemoteBthDevInfo, &bdi ) )
return FALSE;
return BluetoothDisplayDeviceProperties ( hwdParent, &bdi );
}
// 请求与远程蓝牙设备配对
BOOL CBlueTooth::RequestAuthenticateDevice(int nIndex, HWND hwdParent/*=NULL*/, DWORD *presult/*=NULL*/)
{
if ( nIndex < 0 || nIndex >=m_Ary_RemoteBthDevInfo.GetSize() )
return FALSE;
t_RemoteBthDevInfo &RemoteBthDevInfo = m_Ary_RemoteBthDevInfo.GetAt ( nIndex );
BLUETOOTH_DEVICE_INFO bdi = { sizeof(BLUETOOTH_DEVICE_INFO) };
if ( !BluetoothGetDeviceInfo ( RemoteBthDevInfo, &bdi ) )
return FALSE;
if ( bdi.fAuthenticated ) return TRUE; // 已经配对了
bdi.fAuthenticated = TRUE;
VERIFY ( ERROR_SUCCESS == BluetoothUpdateDeviceRecord ( &bdi ) );
DWORD result = BluetoothAuthenticateDevice ( hwdParent, RemoteBthDevInfo.hRadio, &bdi, AUTHENTICATION_PASSKEY, (ULONG)wcslen(AUTHENTICATION_PASSKEY) );
if ( presult ) *presult = result;
if ( result == ERROR_SUCCESS ) return TRUE;
return FALSE;
}
CString CBlueTooth::FormatBthAddress(BYTE *BthAddress)
{
ASSERT ( BthAddress );
BLUETOOTH_ADDRESS Address;
ASSERT_ADDRESS ( BthAddress, LENGTH(Address.rgBytes)*sizeof(TCHAR) );
CString csBthAddress;
for ( int i=0; i<LENGTH(Address.rgBytes); i )
{
CString csNode;
csNode.Format ( _T("%.2x"), BthAddress[LENGTH(Address.rgBytes)-i-1] );
if ( !csBthAddress.IsEmpty() ) csBthAddress = ":";
csBthAddress = csNode;
}
return csBthAddress;
}
// 枚举本地蓝牙设备，返回本地蓝牙设备数
int CBlueTooth::EnumerateLocalRadios(void)
{
m_Ary_LocalRadioInfo.RemoveAll ();
HANDLE hRadio = NULL;
BLUETOOTH_FIND_RADIO_PARAMS btfrp = { sizeof(btfrp) };
HBLUETOOTH_RADIO_FIND hFind = BluetoothFindFirstRadio( &btfrp, &hRadio );
if ( NULL != hFind )
{
do
{
if ( hRadio )
{
t_LocalRadioInfo LocalRadioInfo;
LocalRadioInfo.hRadio = hRadio;
if ( ERROR_SUCCESS == BluetoothGetRadioInfo ( hRadio, &LocalRadioInfo.RadioInfo ) )
{
// 千万注意：以下代码让蓝牙虚拟传出串口能正常工作，我是花了一个通宵的时间才找到这个原因的。
if (FALSE == BluetoothEnableDiscovery(hRadio, TRUE))
{
TRACE(_T("%s\n"), hwFormatMessage(GetLastError()));
}
if (FALSE == BluetoothEnableIncomingConnections(hRadio, TRUE))
{
TRACE(_T("%s\n"), hwFormatMessage(GetLastError()));
}
m_Ary_LocalRadioInfo.Add ( LocalRadioInfo );
}
}
} while( BluetoothFindNextRadio( hFind, &hRadio ) );
BluetoothFindRadioClose( hFind );
return (int)m_Ary_LocalRadioInfo.GetSize ();
}
return 0;
}
void CBlueTooth::RemoveAllLocalRadio(void)
{
for ( int i=0; i<m_Ary_LocalRadioInfo.GetSize(); i )
{
t_LocalRadioInfo &LocalRadioInfo = m_Ary_LocalRadioInfo.GetAt(i);
if ( LocalRadioInfo.hRadio )
CloseHandle ( LocalRadioInfo.hRadio );
}
m_Ary_LocalRadioInfo.RemoveAll ();
}
void CBlueTooth::RemoveAll_RemoteBthDevInfo(void)
{
for ( int i=0; i<m_Ary_RemoteBthDevInfo.GetSize(); i )
{
t_RemoteBthDevInfo &RemoteBthDevInfo = m_Ary_RemoteBthDevInfo.GetAt(i);
if ( RemoteBthDevInfo.hRegHandle )
BluetoothUnregisterAuthentication ( RemoteBthDevInfo.hRegHandle );
if ( RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para )
delete RemoteBthDevInfo.pAUTHENTICATION_CALLBACK_Para;
}
m_Ary_RemoteBthDevInfo.RemoveAll ();
}
int CBlueTooth::Test(void)
{
return 0;
}
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