public static extern UInt32 STDFUFILES_SetImageElement(IntPtr handle, UInt32 dwRank, bool bInsert, [MarshalAs(UnmanagedType.Struct)] STDFUFILES_DfuImageElement Element);
public static bool CreateDfuFile(List <BinaryFileInfo> binFiles, string dfuName, UInt16 vid = defaultSTMVid, UInt16 pid = defafultSTMPid, UInt16 fwVersion = defaultFwVersion)
{
IntPtr dfuFileHandle = (IntPtr)0;
IntPtr imageFileHandle = (IntPtr)0;
// start creating a new DFU file for output
var retCode = STDFUFILES_CreateNewDFUFile(dfuName, ref dfuFileHandle, vid, pid, fwVersion);
if (retCode == STDFUFILES_NOERROR)
{
retCode = STDFUFILES_CreateImage(ref imageFileHandle, 0);
retCode = STDFUFILES_SetImageName(imageFileHandle, "nanoFramework");
uint fileCounter = 0;
// loop through collection of bin files and add them
foreach (BinaryFileInfo file in binFiles)
{
byte[] fileData = File.ReadAllBytes(file.FileName);
// get required memory size for byte array
int size = Marshal.SizeOf(fileData[0]) * fileData.Length;
STDFUFILES_DfuImageElement element = new STDFUFILES_DfuImageElement();
element.dwAddress = file.Address;
element.dwDataLength = (uint)fileData.Length;
// allocate memory from the unmanaged memory
element.Data = Marshal.AllocHGlobal(size);
// copy the byte array to the struct
Marshal.Copy(fileData, 0, element.Data, fileData.Length);
// get image from HEX file
retCode = STDFUFILES_SetImageElement(imageFileHandle, fileCounter++, true, element);
// free unmanaged memory
Marshal.FreeHGlobal(element.Data);
if (retCode != STDFUFILES_NOERROR)
{
// error adding this file
Console.WriteLine();
Console.WriteLine($"ERROR: adding {file.FileName}");
Console.WriteLine();
return(false);
}
Console.WriteLine($"Adding file to image: {file.FileName}");
}
// add image to DFU file
retCode = STDFUFILES_AppendImageToDFUFile(dfuFileHandle, imageFileHandle);
if (retCode != STDFUFILES_NOERROR)
{
// error adding this file
Console.WriteLine();
Console.WriteLine($"ERROR: adding image to DFU file");
Console.WriteLine();
return(false);
}
// image file added, close DFU file
STDFUFILES_CloseDFUFile(dfuFileHandle);
Console.WriteLine();
Console.WriteLine($"DFU generated: {dfuName}");
Console.WriteLine($"Vendor ID: {vid.ToString("X4")}");
Console.WriteLine($"Product ID: {pid.ToString("X4")}");
Console.WriteLine($"Version: {fwVersion.ToString("X4")}");
Console.WriteLine();
// clean-up
if (retCode == STDFUFILES_NOERROR)
{
// destroy image
STDFUFILES_DestroyImage(ref imageFileHandle);
}
}
return(true);
}
