Exemplo n.º 1
0
        private void radioButtonBitMsb_CheckedChanged(object sender, EventArgs e)
        {
            if (radioButtonBitMsb.Checked == false && radioButtonBit.Checked == true)
            {
                return;
            }
            byte[] data = getInputBytes();
            currentBitOrder = BIT_MSB_FIRST;
            if (data == null)
            {
                return;
            }
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            textBoxInput.Text      = Assist.BytesToBitsMsbString(data, gap);
            currentCode            = CODE_BIT;
            radioButtonBit.Checked = true;;
        }
Exemplo n.º 2
0
        private void buttonInsertZero_Click(object sender, EventArgs e)
        {
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            byte[] data = getInputBytes();
            if (data == null)
            {
                return;
            }
            BitArray new_bits = Assist.HdlcInsertZeroEncode(data);

            byte[] new_data = Assist.BitsLsbToBytes(new_bits);
            textBoxInput.Text         = Assist.BytesToBitsLsbString(new_data, gap);
            currentCode               = CODE_BIT;
            currentBitOrder           = BIT_LSB_FIRST;
            radioButtonBitLsb.Checked = true;//注意这里引起bit显示触发
            radioButtonBit.Checked    = true;
        }
Exemplo n.º 3
0
        private void radioButtonBit_CheckedChanged(object sender, EventArgs e)
        {
            if (radioButtonBit.Checked != true || currentCode == CODE_BIT)
            {
                return;
            }
            Byte[] data = getInputBytes();
            currentCode = CODE_BIT;
            if (data == null)
            {
                return;
            }
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            if (radioButtonBitLsb.Checked)
            {
                textBoxInput.Text = Assist.BytesToBitsLsbString(data, gap);
            }
            else
            {
                textBoxInput.Text = Assist.BytesToBitsMsbString(data, gap);
            }
        }
Exemplo n.º 4
0
        void showCrc(byte[] data)
        {
            ushort hdlc_crc = Assist.HdlcFcs16(data);
            byte   crc8     = Assist.Crc8Ccitt(data);

            textBoxHdlcFcs.Text   = hdlc_crc.ToString("X04");
            textBoxCcittCrc8.Text = crc8.ToString("X02");
        }
Exemplo n.º 5
0
        private void appendReceiveBytes(byte[] receive, int len)
        {
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            if (receive == null)
            {
                return;
            }
            len = len > receive.Length ? receive.Length : len;
            if (len == 0)
            {
                return;
            }
            byte[] data = new byte[len];
            Array.Copy(receive, data, len);
            receiveShowCount += len;
            switch (currentCode)
            {
            case CODE_BIT:
            {
                if (currentBitOrder == BIT_LSB_FIRST)
                {
                    textBoxReceive.Text += Assist.BytesToBitsLsbString(data, gap) + gap;
                }
                else
                {
                    textBoxReceive.Text += Assist.BytesToBitsMsbString(data, gap) + gap;
                }
            }
            break;

            case CODE_HEX:
            {
                textBoxReceive.Text += Assist.ToHexString(data, gap) + gap;
            }
            break;

            case CODE_ASCII:
            default:
                textBoxReceive.Text += System.Text.Encoding.Default.GetString(data);
                break;
            }
            textBoxReceive.ScrollToCaret();
            labelReceiveCount.Text = receiveCount.ToString();
        }
Exemplo n.º 6
0
        byte[] getBytes(string str)
        {
            Byte[] data;
            if (str.Length > 0)
            {
                switch (currentCode)
                {
                case CODE_BIT:
                {
                    foreach (char c in str)
                    {
                        if (c != '1' && c != '0' && c != ' ' && c != '\r' && c != '\n')
                        {
                            return(null);
                        }
                    }
                    if (currentBitOrder == BIT_LSB_FIRST)
                    {
                        data = Assist.BitsLsbToBytes(str);
                    }
                    else
                    {
                        data = Assist.BitsMsbToBytes(str);
                    }
                }
                break;

                case CODE_HEX:
                {
                    foreach (char c in str)
                    {
                        if ((c < '0' || c > '9') && (c < 'a' || c > 'f') && (c < 'A' || c > 'F') && c != ' ' && c != '\r' && c != '\n')
                        {
                            return(null);
                        }
                    }
                    data = Assist.HexToBytes(str);
                }
                break;

                case CODE_ASCII:
                default:
                    data = System.Text.Encoding.ASCII.GetBytes(textBoxInput.Text.Trim());
                    break;
                }
                return(data);
            }
            return(null);
        }
Exemplo n.º 7
0
        private void buttonHdlcEncode_Click(object sender, EventArgs e)
        {
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            byte[] data;
            data = getInputBytes();
            if (data == null)
            {
                return;
            }
            byte[] hdlc = Assist.HdlcEncode(data);
            textBoxInput.Text      = Assist.ToHexString(hdlc, gap);
            currentCode            = CODE_HEX;
            radioButtonHex.Checked = true;
        }
Exemplo n.º 8
0
        private string getHdlcInfoString(byte[] hdlc)
        {
            int    index;
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            string hdlc_info = string.Empty;

            if (hdlc == null || hdlc.Length < 4)
            {
                return(string.Empty);
            }
            index = Array.IndexOf(hdlc, (byte)0x7E, 1);//寻找7E
            while (index > 1)
            {
                byte[] hdlc_item = hdlc.Take(index + 1).ToArray();
                hdlc_info += Assist.ToHexString(hdlc_item, gap) + "\r\n[ \r\n";
                hdlc_info += parse_hdlc_bytes(hdlc_item) + " \r\n]\r\n\r\n";
                hdlc       = hdlc.Skip(index + 1).ToArray();
                if (hdlc.Length > 0)
                {
                    index = Array.IndexOf(hdlc, (byte)0x7e, 1);
                }
                else
                {
                    break;
                }
            }
            return(hdlc_info);
        }
Exemplo n.º 9
0
        private void radioButtonHex_CheckedChanged(object sender, EventArgs e)
        {
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            if (radioButtonHex.Checked != true || currentCode == CODE_HEX)
            {
                return;
            }
            Byte[] data = getInputBytes();
            currentCode = CODE_HEX;
            if (data == null)
            {
                return;
            }
            textBoxInput.Text = Assist.ToHexString(data, gap);
        }
Exemplo n.º 10
0
        string parse_hdlc_bytes(byte[] hdlc_bytes)
        {
            const byte CTRL_U_FRAME_SNRM    = 0x10; //置正常响应模式
            const byte CTRL_U_FRAME_SARM_DM = 0x03; //置异步响应模式/断开方式
            const byte CTRL_U_FRAME_SABM    = 0x07; //置异步平衡模式
            const byte CTRL_U_FRAME_SNRME   = 0x1B; //置扩充正常响应模式
            const byte CTRL_U_FRAME_SARME   = 0x0b; //置扩充异步响应模式
            const byte CTRL_U_FRAME_SABME   = 0x0f; //置扩充异步平衡模式
            const byte CTRL_U_FRAME_DISC_RD = 0x08; //断链/请求断链
            const byte CTRL_U_FRAME_SIM_RIM = 0x01; //置初始化方式/请求初始化方式
            const byte CTRL_U_FRAME_UP      = 0x04; //无编号探询
            const byte CTRL_U_FRAME_UI      = 0x00; //无编号信息
            const byte CTRL_U_FRAME_XID     = 0x17; //交换识别
            const byte CTRL_U_FRAME_RESET   = 0x13; //复位
            const byte CTRL_U_FRAME_FRMR    = 0x11; //帧拒绝
            const byte CTRL_U_FRAME_UA      = 0x0C; //无编号确认
            string     show_info            = "地址:0x{0:X02}\r\n" +
                                              "类型:{1}帧   CTRL:0x{2:X02}   {3}";

            byte[] hdlc = Assist.HdlcDecode(hdlc_bytes);
            if (hdlc == null)
            {
                return(string.Empty);
            }
            byte   ctrl = hdlc[1];
            string frame_type;
            string frame_ctrl_info;

            if ((ctrl & 0x01) == 0)
            {
                int ns = (ctrl & 0x0e) >> 1;
                int nr = (ctrl & 0xe0) >> 5;
                frame_type      = "I";
                frame_ctrl_info = string.Format("N(S)={0},N(R)={1}", ns, nr);
            }
            else if ((ctrl & 0x03) == 1)
            {
                byte s = (byte)((ctrl & 0x0C) >> 2);
                frame_type = "S";
                string type;
                switch (s)
                {
                case 0:
                    type = "RR";
                    break;

                case 1:
                    type = "RNR";
                    break;

                case 2:
                    type = "REJ";
                    break;

                case 3:
                default:
                    type = "SREJ";
                    break;
                }
                frame_ctrl_info = string.Format("S={0}({1}),N(R)={2}", s, type, (ctrl & 0xe0) >> 5);
            }
            else
            {
                frame_type = "U";
                byte cmd = (byte)((((ctrl) & 0xE0) >> 3) | (((ctrl) & 0x0c) >> 2));
                frame_ctrl_info = string.Format("CMD=0x{0:X02} ", cmd);
                switch (cmd)

                {
                case CTRL_U_FRAME_SNRM:
                    frame_ctrl_info += "SNRM";
                    break;

                case CTRL_U_FRAME_SARM_DM:
                    frame_ctrl_info += "SARM_DM";
                    break;

                case CTRL_U_FRAME_SABM:
                    frame_ctrl_info += "SABM";
                    break;

                case CTRL_U_FRAME_SNRME:
                    frame_ctrl_info += "SNRME";
                    break;

                case CTRL_U_FRAME_SARME:
                    frame_ctrl_info += "SARME";
                    break;

                case CTRL_U_FRAME_SABME:
                    frame_ctrl_info += "SAME";
                    break;

                case CTRL_U_FRAME_DISC_RD:
                    frame_ctrl_info += "DISC_RD";
                    break;

                case CTRL_U_FRAME_SIM_RIM:
                    frame_ctrl_info += "SIM_RIM";
                    break;

                case CTRL_U_FRAME_UP:
                    frame_ctrl_info += "UP";
                    break;

                case CTRL_U_FRAME_UI:
                    frame_ctrl_info += "UI";
                    break;

                case CTRL_U_FRAME_XID:
                    frame_ctrl_info += "XID";
                    break;

                case CTRL_U_FRAME_RESET:
                    frame_ctrl_info += "RESET";
                    break;

                case CTRL_U_FRAME_FRMR:
                    frame_ctrl_info += "FRMR";
                    break;

                case CTRL_U_FRAME_UA:
                    frame_ctrl_info += "UA";
                    break;

                default:
                    frame_ctrl_info += "未知指令";
                    break;
                }
            }
            string gap;

            if (checkBoxGap.Checked)
            {
                gap = " ";
            }
            else
            {
                gap = "";
            }
            return(Assist.ToHexString(hdlc, gap) + "\r\n" + String.Format(show_info, hdlc[0], frame_type, ctrl, frame_ctrl_info));
        }