Exemple #1
0
        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);
        }
Exemple #2
0
        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);
            }
        }
Exemple #3
0
        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);
        }