獲取指定USB裝置的VID PID和SerialNumber
裝置廠商ID 查詢, google www.usb.org + vendor id list
所需標頭檔案庫檔案: #include <Setupapi.h> , Setupapi.lib
void CCameraInfoViewerDlg::CollectUSBInfo()
{
// 獲取當前系統所有使用的裝置
DWORD dwFlag = (DIGCF_ALLCLASSES | DIGCF_PRESENT);
HDEVINFO hDevInfo = SetupDiGetClassDevs(NULL, NULL, NULL, dwFlag);
if( INVALID_HANDLE_VALUE == hDevInfo )
{
AfxMessageBox( _T("獲取系統裝置列表失敗") );
return;
}
// 準備遍歷所有裝置查詢USB
SP_DEVINFO_DATA sDevInfoData;
sDevInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
//VID: ZYZW 公司的生產商號
const TCHAR NIKON_ID[] = _T("XYZW");
CString strText;
TCHAR szDIS[MAX_PATH]; // Device Identification Strings,
DWORD nSize = 0 ;
for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo,i,&sDevInfoData); i++ )
{
nSize = 0;
if ( !SetupDiGetDeviceInstanceId(hDevInfo, &sDevInfoData, szDIS, sizeof(szDIS), &nSize) )
{
AfxMessageBox( _T("獲取裝置識別字符串失敗") );
break;
}
// 裝置識別串的前三個字元是否是"USB", 模板: USB\VID_XXXX&PID_XXXX\00000xxxxxxx
CString strDIS( szDIS );
strDIS.MakeUpper();
if( strDIS.Left( 3 ) == _T("USB") )
{
strText += strDIS;
strText += _T("\r\n");
int iVID_Pos = strDIS.Find( NIKON_ID );
if( iVID_Pos == 8 )
{
// VID: 廠商號
m_wndEditVID.SetWindowText( NIKON_ID );
// PID :產品號
int iSlashPos = strDIS.ReverseFind(_T('\\'));
int iPID_Pos = strDIS.Find( _T("PID_") );
CString strProductID = strDIS.Mid( iPID_Pos+4, iSlashPos - iPID_Pos - 4 );
m_wndEditPID.SetWindowText( strProductID );
// 序列號
int iRight = strDIS.GetLength() - iSlashPos -1;
CString strSerialNumber = strDIS.Right( iRight );
m_wndEditNUM.SetWindowText( strSerialNumber );
}
}
}
m_wndEditENUM.SetWindowText( strText );
// 釋放裝置
SetupDiDestroyDeviceInfoList(hDevInfo);
}