IOCTL_FARC_GET_HW_VERSIONS
Purpose: query the serial number of the hardware, hardware version and firmware version
Parameter:
IN: -
OUT: struct S_HW_VERSIONS (declared in FARC.H)
Possible errors (see also Error codes):
E_FARC_INVALID_HANDLE
E_FARC_BUFFER_TOO_SMALL
Example:
Note, that the following example is only a fragment. It is recommended,
that the driver is opened in asynchronous mode and a handle to the driver
is available.
OVERLAPPED overlapped;
DWORD read, err;
BOOL ret;
S_HW_VERSIONS sVersion;
overlapped.Offset = 0;
overlapped.OffsetHigh = 0;
overlapped.hEvent = CreateEvent(NULL,TRUE,FALSE,NULL);
...
ret = DeviceIoControl(drvhandle,
IOCTL_FARC_GET_HW_VERSIONS,
NULL, 0,
&sVersion,
sizeof(sVersion),
&read, &overlapped);
if (!ret)
{
err = GetLastError();
if (err == E_FARC_PENDING)
{
ret = GetOverlappedResult(drvhandle, &overlapped, &read, TRUE);
if (!ret)
{
err = GetLastError();
// do errorhandling here
}
}
else
{
// other error occured, perhaps wrong handle
}
}
printf("Serial number = %c%c%c%c%c%c%c%c,
sVersion.baSN[0], sVersion.baSN[1], sVersion.baSN[2],sVersion.baSN[3],
sVersion.baSN[4], sVersion.baSN[5], sVersion.baSN[6],sVersion.baSN[7]);
...