void FileTransProtocol_SendNextPacket(object sender, EventArgs e)
{
ShowTextReprot(string.Format("开始传输第{0}包数据", packetNo));
packetNo++;
fileIndex += PacketLen;
if (packetNo == 1)
{
fileIndex = 0;
}
int readBytes = ReadPacketFromFile(fileIndex, PacketBuff, PacketLen);
if (readBytes <= 0)
{
FileTransProtocol?.Stop();
}
else
{
if (readBytes < PacketLen)
{
for (int i = readBytes; i < PacketLen; i++)
{
PacketBuff[i] = 0x1A;
}
}
FileTransProtocol?.SendPacket(new PacketEventArgs(packetNo, PacketBuff));
}
}
void FileTransProtocol_StartSend(object sender, EventArgs e)
{
PacketBuff = new byte[PacketLen];
if (_FileTransMode == FileTransmitMode.Xmodem || _FileTransMode == FileTransmitMode.Xmodem_1K)
{
packetNo = 1;
if (ReadPacketFromFile(fileIndex, PacketBuff, PacketLen) <= 0)
{
FileTransProtocol.Stop();
}
else
{
FileTransProtocol.SendPacket(new PacketEventArgs(packetNo, PacketBuff));
}
startTime = DateTime.Now;
}
else if (_FileTransMode == FileTransmitMode.Ymodem || _FileTransMode == FileTransmitMode.Ymodem_1K)
{
packetNo = 0;
FileInfo fileInfo = new FileInfo(txtFile.Text);
byte[] fileNameBytes = System.Text.ASCIIEncoding.Default.GetBytes(fileInfo.Name);
int index = 0;
Array.Copy(fileNameBytes, 0, PacketBuff, 0, fileNameBytes.Length);
index += fileNameBytes.Length;
PacketBuff[index] = 0;
index++;
byte[] fileSizeBytes = System.Text.ASCIIEncoding.Default.GetBytes(fileInfo.Length.ToString());
Array.Copy(fileSizeBytes, 0, PacketBuff, index, fileSizeBytes.Length);
FileTransProtocol.SendPacket(new PacketEventArgs(0, PacketBuff));
fileIndex = 0;
packetNo = 0;
//fileInfo.Name;
startTime = DateTime.Now;
}
ShowTextReprot(string.Format("开始发送数据"));
}