private async void ReadTcrtBtn_Click(object sender, EventArgs e)
{
if (_tapecartInfo == null)
{
return;
}
if (_readActive)
{
_readActive = false; // stop
return;
}
// 2 mbyte tcrt file
byte[] tcrtImage = new byte[0x200000 + 216];
// select tcrt file to write
SaveFileDialog saveFileDialog = new SaveFileDialog();
try {
saveFileDialog.Filter = "TCRT files|*.tcrt";
saveFileDialog.Title = "Select a TCRT file";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
// test if we can write this file
File.WriteAllBytes(saveFileDialog.FileName, tcrtImage);
File.Delete(saveFileDialog.FileName);
}
catch (Exception)
{
_logging.Warn(MODUL_NAME, "ReadTcrtBtn_Click", $"Error opening tcrt file for write '{Path.GetFileName(saveFileDialog.FileName)}'");
TcrtInfoTb.Text = $"Error opening TCRT file for write";
return;
}
TcrtFilenameTb.Text = saveFileDialog.FileName;
string logFilename = Path.GetFileName(saveFileDialog.FileName);
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", $"Read file, Filename='{logFilename}' {_arduinoComm.CurrentParameter}");
// fill header with 0xFF
ByteArray.Fill(tcrtImage, Tapecart.HEADER_SIZE, 0xFF, Tapecart.MAX_FLASH_SIZE);
ByteArray.WriteASCIIString(tcrtImage, 0, Tapecart.TAPECART_SIGNATURE);
ByteArray.WriteUInt16(tcrtImage, Tapecart.OFFSET_VERSION, Tapecart.VERSION);
// we can not determine the real tcrt size, so we assume maximum flash size
ByteArray.WriteInt32(tcrtImage, Tapecart.OFFSET_FLASHSIZE, Tapecart.MAX_FLASH_SIZE);
// handle loader
if (INCL_LOADER_IN_TCRT)
{
tcrtImage[Tapecart.OFFSET_FLAGS] = 0x01;
byte[] loader = _arduinoComm.ReadLoader();
if (loader == null || loader.Length != Tapecart.LOADER_LENGTH)
{
_logging.Warn(MODUL_NAME, "ReadTcrtBtn_Click", $"Error reading loader");
TcrtInfoTb.Text = $"Error reading loader";
return;
}
Buffer.BlockCopy(loader, 0, tcrtImage, Tapecart.OFFSET_LOADER, Tapecart.LOADER_LENGTH);
}
else
{
tcrtImage[Tapecart.OFFSET_FLAGS] = 0x00;
// filling with 0x00 is not really neccessary but makes the TCRT file equal if you compare it to existing files
ByteArray.Fill(tcrtImage, Tapecart.OFFSET_LOADER, 0x00, Tapecart.LOADER_LENGTH);
}
// read loader info
int loaderOffset;
int loaderLength;
int loaderCallAddr;
string filename;
if (!_arduinoComm.ReadLoadInfo(out loaderOffset, out loaderLength, out loaderCallAddr, out filename))
{
_logging.Warn(MODUL_NAME, "ReadTcrtBtn_Click", $"Error reading loader info");
TcrtInfoTb.Text = $"Error reading loader info";
return;
}
ByteArray.WriteUInt16(tcrtImage, Tapecart.OFFSET_LOADER_OFFSET, (UInt16)loaderOffset);
ByteArray.WriteUInt16(tcrtImage, Tapecart.OFFSET_LOADER_LENGTH, (UInt16)loaderLength);
ByteArray.WriteUInt16(tcrtImage, Tapecart.OFFSET_LOADER_CALLADDR, (UInt16)loaderCallAddr);
ByteArray.WriteASCIIString(tcrtImage, Tapecart.OFFSET_LOADER_NAME, filename, 0x20);
int tcrtSize = Tapecart.MAX_FLASH_SIZE;
TcrtInfoTb.Text = $"Loader info={loaderOffset:X4}h,{loaderLength:X4}h,{loaderCallAddr:X4}h,{filename.Trim()}";
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", $"Loader info={loaderOffset:X4}h,{loaderLength:X4}h,{loaderCallAddr:X4}h,{filename.Trim()}");
// read flash data
string btnText = ReadTcrtBtn.Text;
ReadTcrtBtn.Text = "Cancel read";
WriteTcrtBtn.Enabled = false;
ReadWritePb.Minimum = 0;
ReadWritePb.Maximum = 100;
ReadWritePb.Step = 1;
ReadWritePb.Value = 0;
_readActive = true;
_readWriteCanceled = false;
SetButtonStatus();
await Task.Run(() =>
{
int flashOffset = 0;
Crc32 calcCrc = new Crc32();
Stopwatch sw = new Stopwatch();
sw.Start();
while (flashOffset < tcrtSize)
{
if (!_readActive)
{ // cancel
_readWriteCanceled = true; // <- must be set before invoke !!!
UpdateReadWriteStatus("Read canceled", Color.Red);
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", $"Read canceled at {flashOffset:X6}");
UpdateReadWriteBar(0);
return;
}
byte[] page = _arduinoComm.ReadFlashPage(flashOffset);
if (page == null)
{
UpdateReadWriteStatus($"Error at offset={flashOffset:X6}", Color.Red);
_readWriteCanceled = true;
return;
}
calcCrc.Update(page, 0, Tapecart.BLOCK_SIZE);
Buffer.BlockCopy(page, 0, tcrtImage, flashOffset + Tapecart.HEADER_SIZE, Tapecart.BLOCK_SIZE);
flashOffset += Tapecart.BLOCK_SIZE;
if (flashOffset % 0x1000 == 0)
{
if (flashOffset == 0x1000)
{
Helper.ControlInvokeRequired(BrowserInfoTb, () =>
{
BrowserInfoTb.Text = TapecartBrowser.GetInfo(tcrtImage, Tapecart.HEADER_SIZE);
});
}
UpdateReadWriteStatus($"Reading: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}");
UpdateReadWriteBar(flashOffset * 100 / tcrtSize);
}
}
if (ChecksumCb.Checked)
{
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", "Checksum test...");
UpdateReadWriteStatus($"Checksum-Test...");
UInt32 crc;
Stopwatch sw2 = new Stopwatch();
sw2.Start();
_arduinoComm.Crc32Flash(0, (int)tcrtSize, out crc);
Debug.WriteLine($"crc-time={Minutes(sw2.ElapsedMilliseconds)}");
if (crc != calcCrc.Crc)
{
Debug.WriteLine($"checksum error calc={calcCrc.Crc:X8} flash={crc:X8}");
_logging.Warn(MODUL_NAME, "ReadTcrtBtn_Click", $"checksum error calc={calcCrc.Crc:X8} flash={crc:X8}");
UpdateReadWriteStatus($"Checksum error", Color.Red);
return;
}
else
{
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", $"checksum ok {crc:X8}");
}
}
_logging.Info(MODUL_NAME, "ReadTcrtBtn_Click", $"Read finished: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}");
UpdateReadWriteStatus($"Read finished: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}", Color.Green);
UpdateReadWriteBar(100);
});
if (!_readWriteCanceled)
{
// write tcrt file, should write without error because we tested it before
try {
File.WriteAllBytes(saveFileDialog.FileName, tcrtImage);
}
catch (Exception ex) {
_logging.Warn(MODUL_NAME, "ReadTcrtBtn_Click", $"Error writing tcrt file '{logFilename}'");
TcrtInfoTb.Text = $"Error writing TCRT file";
}
}
_readActive = false;
_readWriteCanceled = true;
ReadTcrtBtn.Text = btnText;
SetButtonStatus();
}
private async void WriteTcrtBtn_Click(object sender, EventArgs e)
{
if (_tapecartInfo == null)
{
return;
}
if (_writeActive)
{
_writeActive = false; // stop
return;
}
// load tcrt file
OpenFileDialog openFileDialog = new OpenFileDialog();
byte[] tcrtImage;
try {
openFileDialog.Filter = "TCRT files|*.tcrt";
openFileDialog.Title = "Select a TCRT file";
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
tcrtImage = File.ReadAllBytes(openFileDialog.FileName);
}
catch (Exception ex)
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Error reading '{Path.GetFileName(openFileDialog.FileName)}'");
return;
}
TcrtFilenameTb.Text = openFileDialog.FileName;
string logFilename = Path.GetFileName(openFileDialog.FileName);
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"Write file: Filename='{logFilename}' {_arduinoComm.CurrentParameter}");
// check tcrt header
if (ByteArray.ReadAsciiString(tcrtImage, 0x00, 16) != Tapecart.TAPECART_SIGNATURE)
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Invalid TCRT signature, tcrt file='{logFilename}'");
TcrtInfoTb.Text = "Invalid TCRT header";
return;
}
int tcrtVersion = BitConverter.ToUInt16(tcrtImage, Tapecart.OFFSET_VERSION);
if (tcrtVersion != 1)
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Invalid TCRT version, tcrt file='{logFilename}'");
TcrtInfoTb.Text = $"Invalid TCRT version {tcrtVersion}";
return;
}
int tcrtSize = (int)BitConverter.ToUInt32(tcrtImage, Tapecart.OFFSET_FLASHSIZE);
if (tcrtSize > _tapecartInfo.TotalSize || tcrtSize < 0x1000)
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"TCRT size exceeds cartridge size, tcrt file='{logFilename}'");
TcrtInfoTb.Text = $"Invalid TCRT size {tcrtSize / 1024:X}h kB";
return;
}
BrowserInfoTb.Text = TapecartBrowser.GetInfo(tcrtImage, Tapecart.HEADER_SIZE);
// write loader
byte[] loader;
int flags = tcrtImage[Tapecart.OFFSET_FLAGS];
if ((flags & 0x01) == 0)
{
// loader not present, use standard loader
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"TCRT file has no loader, using standard loader");
loader = Helper.GetEmbeddedRessource("TapecartFlasher.Resources.tapecart_loader.bin");
}
else
{
// use loader from tcrt image
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"Using TCRT file loader");
loader = new byte[Tapecart.LOADER_LENGTH];
Buffer.BlockCopy(tcrtImage, Tapecart.OFFSET_LOADER, loader, 0, Tapecart.LOADER_LENGTH);
}
byte[] installedLoader = _arduinoComm.ReadLoader();
if (!ByteArray.CompareBytes(loader, 0, installedLoader, 0, Tapecart.LOADER_LENGTH))
{
// installed loader is different, write loader
if (!_arduinoComm.WriteLoader(loader))
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Error writing loader, tcrt file='{logFilename}'");
TcrtInfoTb.Text = $"Error writing loader";
return;
}
}
else
{
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"Identical loader is already installed");
}
// write loadinfo
int loaderOffset = BitConverter.ToUInt16(tcrtImage, Tapecart.OFFSET_LOADER_OFFSET);
int loaderLength = BitConverter.ToUInt16(tcrtImage, Tapecart.OFFSET_LOADER_LENGTH);
int loaderCalladdr = BitConverter.ToUInt16(tcrtImage, Tapecart.OFFSET_LOADER_CALLADDR);
string filename = ByteArray.ReadAsciiString(tcrtImage, Tapecart.OFFSET_LOADER_NAME, Tapecart.LOADER_NAME_LENGTH);
if (!_arduinoComm.WriteLoadInfo(loaderOffset, loaderLength, loaderCalladdr, filename))
{
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Error writing loader info, tcrt file='{logFilename}'");
TcrtInfoTb.Text = $"Error writing loader info";
return;
}
TcrtInfoTb.Text = $"Size={tcrtSize:X6}h Loader info={loaderOffset:X4}h,{loaderLength:X4}h,{loaderCalladdr:X4}h,{filename.Trim()}";
// write flash data
string btnText = WriteTcrtBtn.Text;
WriteTcrtBtn.Text = "Cancel write";
ReadTcrtBtn.Enabled = false;
ReadWritePb.Minimum = 0;
ReadWritePb.Maximum = 100;
ReadWritePb.Step = 1;
ReadWritePb.Value = 0;
_writeActive = true;
_readWriteCanceled = false;
SetButtonStatus();
await Task.Run(() =>
{
int flashOffset = 0;
Crc32 calcCrc = new Crc32();
Stopwatch sw = new Stopwatch();
sw.Start();
while (flashOffset < tcrtSize)
{
if (!_writeActive)
{ // cancel
_readWriteCanceled = true; // <- must be set before invoke !!!
UpdateReadWriteStatus("Write canceled", Color.Red);
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Write canceled at {flashOffset:X6}");
UpdateReadWriteBar(0);
return;
}
if (flashOffset % Tapecart.ERASE_SIZE == 0)
{
_arduinoComm.EraseFlashBlock(flashOffset);
}
if (!_arduinoComm.WriteFlashPage(tcrtImage, flashOffset + Tapecart.HEADER_SIZE, flashOffset))
{
UpdateReadWriteStatus($"Error at offset={flashOffset:X6}", Color.Red);
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"Error at offset={flashOffset:X6}");
_readWriteCanceled = true;
return;
}
calcCrc.Update(tcrtImage, flashOffset + Tapecart.HEADER_SIZE, Tapecart.BLOCK_SIZE);
flashOffset += Tapecart.BLOCK_SIZE;
if (flashOffset % 0x1000 == 0)
{
UpdateReadWriteBar((int)(flashOffset * 100 / tcrtSize));
UpdateReadWriteStatus($"Writing: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}");
}
}
if (ChecksumCb.Checked)
{
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", "Checksum test...");
UpdateReadWriteStatus($"Checksum-Test...");
UInt32 crc;
Stopwatch sw2 = new Stopwatch();
sw2.Start();
_arduinoComm.Crc32Flash(0, (int)tcrtSize, out crc);
Debug.WriteLine($"crc-time={Minutes(sw2.ElapsedMilliseconds)}");
if (crc != calcCrc.Crc)
{
Debug.WriteLine($"checksum error calc={calcCrc.Crc:X8} flash={crc:X8}");
_logging.Warn(MODUL_NAME, "WriteTcrtBtn_Click", $"checksum error calc={calcCrc.Crc:X8} flash={crc:X8}");
UpdateReadWriteStatus($"Checksum error", Color.Red);
return;
}
else
{
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"checksum ok {crc:X8}");
}
}
_logging.Info(MODUL_NAME, "WriteTcrtBtn_Click", $"Write finished: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}");
UpdateReadWriteStatus($"Write finished: Offset={flashOffset:X6}h Time={Minutes(sw.ElapsedMilliseconds)}", Color.Green);
UpdateReadWriteBar(100);
});
_readWriteCanceled = true;
_writeActive = false;
WriteTcrtBtn.Text = btnText;
SetButtonStatus();
}