private void TestCmdFrame(byte[] a, int cmd, CRC.CRC8 crc)
{
int dataStartIndex = FileTransferProtocol.CommandDataIndex;
//帧头
Trace.Assert(a[0] == FileTransferProtocol.FrameHead);
//帧偏移
Trace.Assert((a[a.Length - 3] * 256 + a[a.Length - 4]) == a.Length - 1);
//命令字
Trace.Assert(a[1] == cmd);
//crc
//Trace.Assert(a[1] == crc.Crc(a, dataStartIndex, a.Length - 3));
Trace.Assert(a[a.Length - 1] == 0x7F);
}
private void btnTestCOMTCP_Click(object sender, EventArgs e)
{
CRC.CRC8 crc = new CRC.CRC8();
int dataStartIndex = FileTransferProtocol.CommandDataIndex;
//测试：准备发送新的文件
string filename = @"c:\abc.txt";
byte[] FileInfo = FileTransferProtocol.GetFrameFileInfo(255 + 256, filename);
//帧头
Trace.Assert(FileInfo[0] == FileTransferProtocol.FrameHead);
//crc
//Trace.Assert(FileInfo[1] == crc);
//命令字
Trace.Assert(FileInfo[1] == 0x00);
//文件长度
Trace.Assert(FileInfo[2] == 0xFF);
Trace.Assert(FileInfo[3] == 0x01);
Trace.Assert(FileInfo[4] == 0);
Trace.Assert(FileInfo[5] == 0);
byte[] bs = System.Text.Encoding.Default.GetBytes(filename);
Trace.Assert(FileInfo[6] == bs[0]);
Trace.Assert(FileInfo[7] == bs[1]);
//帧偏移
Trace.Assert((FileInfo[FileInfo.Length - 4] + FileInfo[FileInfo.Length - 3] * 256) == (FileInfo.Length - 1));
Trace.Assert(FileInfo[FileInfo.Length - 2] == 0x7F);
Trace.Assert(FileInfo[FileInfo.Length - 1] == 0xFF);
byte[] data = new byte[] { 0x01, 0x02, 0xFF, 0xEF, 0xCC, 0xDD, 0x00, 0xAA };
byte[] FileData = FileTransferProtocol.GetFrameFileData(0x01AABBFF, data);
//帧头
Trace.Assert(FileData[0] == FileTransferProtocol.FrameHead);
//帧偏移
Trace.Assert((FileData[FileData.Length - 3] * 256 + FileData[FileData.Length - 4]) == (FileData.Length - 1));
//命令字
Trace.Assert(FileData[1] == 0x1);
//文件偏移
Trace.Assert(FileData[2] == 0xFF);
Trace.Assert(FileData[3] == 0xBB);
Trace.Assert(FileData[4] == 0xAA);
Trace.Assert(FileData[5] == 0x01);
//文件数据
Trace.Assert(FileData[6] == 0x01);
Trace.Assert(FileData[7] == 0x02);
Trace.Assert(FileData[8] == 0xFF);
Trace.Assert(FileData[9] == 0xEF);
Trace.Assert(FileData[10] == 0xCC);
Trace.Assert(FileData[11] == 0xDD);
//crc
//byte[] x = new byte[] { 0x02, 0xFF, 0xBB, 0xAA, 0x01, 0x01, 0x02, 0xFF, 0xEF, 0xCC, 0xDD, 0x00, 0xAA, FileData[FileData.Length - 3], FileData[FileData.Length - 2] };
//Trace.Assert(FileData[1] == crc.Crc(x, 0, x.Length));
Trace.Assert(FileData[FileData.Length - 1] == 0x7F);
//文件发送完毕
byte[] f = FileTransferProtocol.GetFrameFileSendFinish();
//帧头
Trace.Assert(f[0] == FileTransferProtocol.FrameHead);
//帧偏移
Trace.Assert((f[f.Length - 3] * 256 + f[f.Length - 4]) == f.Length - 1);
//命令字
Trace.Assert(f[1] == 0x02);
//crc
//Trace.Assert(f[1] == crc.Crc(f, dataStartIndex, f.Length - 3));
Trace.Assert(f[f.Length - 1] == 0x7F);
//表示可以新的文件
byte[] a = FileTransferProtocol.GetFrameWhatIsYourMNandVersion();
TestCmdFrame(a, 0xFD, crc);
//表示已经接收数据
//byte[] Ac = FileTransferProtocol.GetFrameMNAndVersion(1,"123");
//TestCmdFrame(Ac, 0xFE, crc);
//表示已经保存文件完毕
byte[] s = FileTransferProtocol.GetFrameCloseSocket();
TestCmdFrame(s, 0xFF, crc);
}