private void sendYmodemInitialPacket(byte STX, int packetNumber, int invertedPacketNumber, byte[] data, int dataSize, string path, FileStream fileStream, byte[] CRC, int crcSize)
{
//string fileName = System.IO.Path.GetFileName(path);
string fileName = "wifimcufw";//change the name to avoid errors
string fileSize = fileStream.Length.ToString();
if (radioButtonFW.Checked)
fileName="firmware";
else if (radioButtonBtloader.Checked)
fileName="bootloader";
else if (radioButtonWlanDrv.Checked)
fileName="wlandrv";
/* add filename to data */
int i;
for (i = 0; i < fileName.Length && (fileName.ToCharArray()[i] != 0); i++)
{
data[i] = (byte)fileName.ToCharArray()[i];
}
data[i] = 0;
/* add filesize to data */
int j;
for (j = 0; j < fileSize.Length && (fileSize.ToCharArray()[j] != 0); j++)
{
data[(i + 1) + j] = (byte)fileSize.ToCharArray()[j];
}
data[(i + 1) + j] = 0;
/* fill the remaining data bytes with 0 */
for (int k = ((i + 1) + j) + 1; k < dataSize; k++)
{
data[k] = 0;
}
/* calculate CRC */
Crc16Ccitt crc16Ccitt = new Crc16Ccitt(InitialCrcValue.Zeros);
CRC = crc16Ccitt.ComputeChecksumBytes(data);
/* send the packet */
sendYmodemPacket(STX, packetNumber, invertedPacketNumber, data, dataSize, CRC, crcSize);
}
private void douUploadingFirmware(int dt)
{
Console.WriteLine("douUploadingFirmware:uploadingFWStage:" + uploadingFWStage.ToString("X")+" d:" + dt.ToString("X")+":"+Environment.TickCount.ToString());
if (uploadingFWStage==(int)FWStage.WaitForStart1&&
dt == C)
{
uploadingFirmwareTimeTick = Environment.TickCount;
packetNumber = 0;
invertedPacketNumber = 255;
sendYmodemInitialPacket(STX, packetNumber, invertedPacketNumber, data, dataSize, path, fileStream, CRC, crcSize);
uploadingFWStage = (int)FWStage.WaitForStart2;
Console.WriteLine("sendYmodemInitialPacket");
}
else if (uploadingFWStage==(int)FWStage.WaitForStart2&&
dt == ACK)
{
uploadingFirmwareTimeTick = Environment.TickCount;
uploadingFWStage = (int)FWStage.WaitForStart3;
Console.WriteLine("WaitForStart2");
}
else if ((uploadingFWStage == (int)FWStage.WaitForStart3 &&dt == C)||
uploadingFWStage == (int)FWStage.SendingData && dt == ACK)
{
uploadingFirmwareTimeTick = Environment.TickCount;
if (uploadingFWStage == (int)FWStage.SendingData&&
dataSize != fileReadCount)
{//finished
uploadingFWStage = (int)FWStage.Closing3;
serialPort1.Write(new byte[] { EOT }, 0, 1);
Console.WriteLine("EOT1");
return;
}
uploadingFWStage = (int)FWStage.SendingData;
fileReadCount = fileStream.Read(data, 0, dataSize);
if (fileReadCount == 0)
{
uploadingFWStage = (int)FWStage.Closing1;
serialPort1.Write(new byte[] { EOT }, 0, 1);
Console.WriteLine("EOT2");
return;
}
if (fileReadCount != dataSize)
for (int i = fileReadCount; i < dataSize; i++)
data[i] = 0;
/* calculate packetNumber */
packetNumber++;
if (packetNumber > 255)
packetNumber -= 256;
Console.WriteLine(packetNumber);
/* calculate invertedPacketNumber */
invertedPacketNumber = 255 - packetNumber;
/* calculate CRC */
Crc16Ccitt crc16Ccitt = new Crc16Ccitt(InitialCrcValue.Zeros);
CRC = crc16Ccitt.ComputeChecksumBytes(data);
/* send the packet */
sendYmodemPacket(STX, packetNumber, invertedPacketNumber, data, dataSize, CRC, crcSize);
if (txtSP.Lines[txtSP.Lines.Length - 1].Length>30)
{
txtSP.AppendText("\r\n");
}
txtSP.AppendText(".");
//string pg = string.Format("{0:G}%", fileStream.Position * 100 / fileStream.Length);
toolStripProgressBar1.Value = (int)(fileStream.Position * 100 / fileStream.Length);
toolStripStatusLabel2.Text = string.Format("{0:G}%", fileStream.Position * 100 / fileStream.Length);
return;
}
else if (uploadingFWStage == (int)FWStage.Closing3 &&
dt == C)
{
uploadingFirmwareTimeTick = Environment.TickCount;
uploadingFWStage = (int)FWStage.Closing4;
packetNumber = 0;
invertedPacketNumber = 255;
data = new byte[dataSize];
CRC = new byte[crcSize];
sendYmodemClosingPacket(STX, packetNumber, invertedPacketNumber, data, dataSize, CRC, crcSize);
Console.WriteLine("sendYmodemClosingPacket");
return;
}
else if (uploadingFWStage == (int)FWStage.Closing4 &&
(dt == ACK||dt==C))
{
uploadingFirmwareTimeTick = Environment.TickCount;
bUploadingFirmware = false;
serialPort1.Write(new byte[] { 0x0a,0x0d }, 0, 2);
Console.WriteLine("Upload Firmware Success");
toolStripStatusLabel1.Text = "Upload Successfully";
toolStripStatusLabel2.Text = "100%";
toolStripProgressBar1.Value = 100;
this.btnSendFW.Text = "Update";
MessageBox.Show(this, "Upload Firmware Success!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (dt==CA)
{
uploadingFirmwareTimeTick = Environment.TickCount;
if (this.btnSendFW.Text == "Abort")
{
this.btnSendFW.PerformClick();
}
MessageBox.Show(this, "Upload Firmware Abort!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private void sendYmodemClosingPacket(byte STX, int packetNumber, int invertedPacketNumber, byte[] data, int dataSize, byte[] CRC, int crcSize)
{
/* calculate CRC */
Crc16Ccitt crc16Ccitt = new Crc16Ccitt(InitialCrcValue.Zeros);
CRC = crc16Ccitt.ComputeChecksumBytes(data);
/* send the packet */
sendYmodemPacket(STX, packetNumber, invertedPacketNumber, data, dataSize, CRC, crcSize);
}