char USBSN[23];
TCHAR buf[MAX_PATH] = {0};
TCHAR VID[MAX_PATH] = {0};
TCHAR PID[MAX_PATH] = {0};
TCHAR SN[MAX_PATH] = {0};
DWORD nSize = 0;
HDEVINFO hDevInfo;
SP_DEVINFO_DATA DeviceInfoData;
hDevInfo = SetupDiGetClassDevs((LPGUID)&GUID_CLASS_USB_DEVICE, 0, 0, (DIGCF_PRESENT|DIGCF_DEVICEINTERFACE));
if (hDevInfo == INVALID_HANDLE_VALUE)
{
// no found USB device
return false;
}
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
for (int j=0;SetupDiEnumDeviceInfo(hDevInfo, j, &DeviceInfoData);j++)
{
if ( !SetupDiGetDeviceInstanceId(hDevInfo, &DeviceInfoData, buf, sizeof(buf), &nSize) )
continue;
for (int i=0; i<4; i++)
{
VID[i] = buf[8+i];
}
for (i=0; i<4; i++)
{
PID[i] = buf[17+i];
}
for (i=0; i<20; i++)
{
USBSN[i] = buf[22+i];
}
}
SetupDiDestroyDeviceInfoList(hDevInfo);
