Esempio n. 1
0
        /// <summary>
        /// 用来切换串口接收或者串口不接收
        /// </summary>
        private void SwitchReceiveBTN_Click(object sender, EventArgs e)
        {
            if (SwitchReceiveBTN.Text == "停止接收")
            {
                NowUartReceiveStatus = UARTReceiveStatus.DataReceiveFinish;
            }
            if (NowUartReceiveStatus == UARTReceiveStatus.SerialPortClosed || NowUartSendStatus == UARTSendStatus.SerialPortClosed)
            {
                Uart1.SetSerialPort(PortCB.Text, int.Parse(BaudCB.Text), int.Parse(DataBitsCB.Text), int.Parse(StopBitsCB.Text));

                if (Uart1.SwtichSP(true) == true)//打开成功
                {
                    NowUartReceiveStatus = UARTReceiveStatus.SerialPortOpen;
                    NowUartSendStatus    = UARTSendStatus.SerialPortOpen;
                }
                else
                {
                    PortCBFresh();
                }
            }
            if (NowUartReceiveStatus == UARTReceiveStatus.SerialPortOpen)
            {
                Uart1.sp.Encoding = Encoding.GetEncoding("GB2312");
                //使用委托以及多线程进行
                #region 打开多线程定时器
                //创建代理对象TimerCallback,该代理将被定时调用
                TimerCallback timerDelegate = new TimerCallback(TimerRecive);
                //创建一个时间间隔为1s的定时器
                System.Threading.Timer timer = new System.Threading.Timer(timerDelegate, s, 0, 100);
                s.tmr = timer;
                #endregion

                SwitchReceiveBTN.Text = "停止接收";
                NowUartReceiveStatus  = UARTReceiveStatus.DataReceiving;
            }
        }
Esempio n. 2
0
        /// <summary>
        /// 用来将发送区文本框的文本通过串口发送
        /// </summary>
        private void SendBTN_Click(object sender, EventArgs e)
        {
            if (NowUartSendStatus == UARTSendStatus.SerialPortClosed)
            {
                Uart1.SetSerialPort(PortCB.Text, int.Parse(BaudCB.Text), int.Parse(DataBitsCB.Text), int.Parse(StopBitsCB.Text));

                if (Uart1.SwtichSP(true) == true)//打开成功
                {
                    NowUartSendStatus    = UARTSendStatus.SerialPortOpen;
                    NowUartReceiveStatus = UARTReceiveStatus.SerialPortOpen;
                }
                else
                {
                    PortCBFresh();
                }
            }
            if (NowUartSendStatus == UARTSendStatus.SerialPortOpen)
            {
                NowUartSendStatus = UARTSendStatus.DataSending;

                string strbuff = SendTB.Text;
                if (HexSendCB.Checked == true)
                {
                    ///检测是否符合格式
                    for (int i = 0; i < strbuff.Length; i += 3)
                    {
                        try
                        {
                            int var1 = Convert.ToInt16(strbuff[i]);
                            if (var1 < 48 || var1 > 57)
                            {
                                throw new Exception();
                            }
                            var1 = Convert.ToInt16(strbuff[i + 1]);
                        }
                        catch (Exception)
                        {
                            MessageBox.Show("不符合Hex的发送格式!\r\n格式为:3A 2B\r\n最后没有空格!!!");
                            return;
                        }
                        if (i + 2 < strbuff.Length && strbuff[i + 2] != ' ')
                        {
                            MessageBox.Show("不符合Hex的发送格式!\r\n格式为:3A 2B\r\n最后没有空格!!!");
                            return;
                        }
                    }

                    ///正式发送
                    int size = (strbuff.Length + 1) / 3;
                    if ((strbuff.Length + 1) % 3 != 0)
                    {
                        MessageBox.Show("不符合Hex的发送格式!\r\n格式为:3A 2B\r\n最后没有空格!!!");
                        return;
                    }
                    if (size <= 0)
                    {
                        MessageBox.Show("至少要一个16进制数!");
                        return;
                    }
                    byte[] sendbuff = new byte[size];
                    for (int i = 0; i < strbuff.Length; i += 3)
                    {
                        byte num1 = Convert.ToByte(Convert.ToByte(strbuff[i] - '0') * 16);
                        byte num2 = Convert.ToByte(Convert.ToByte(strbuff[i + 1] - '0'));
                        sendbuff[i / 3] = Convert.ToByte(num1 + num2);
                    }

                    Uart1.sp.Write(sendbuff, 0, size);
                }
                else
                {
                    Uart1.sp.Write(strbuff);
                }

                NowUartSendStatus = UARTSendStatus.DataSendFinish;
                NowUartSendStatus = UARTSendStatus.SerialPortOpen;
            }
        }
Esempio n. 3
0
        /// <summary>
        /// 串口接收用定时器函数
        /// </summary>
        /// <param name="state"></param>
        void TimerRecive(Object state)
        {
            TimerExampleState s = (TimerExampleState)state;

            if (NowUartReceiveStatus == UARTReceiveStatus.DataReceiveFinish)
            {
                if (Uart1.SwtichSP(false) == true)//关闭成功
                {
                    SwitchReceiveBTN.Text = "开始接收";
                    NowUartReceiveStatus  = UARTReceiveStatus.SerialPortClosed;
                    NowUartSendStatus     = UARTSendStatus.SerialPortClosed;
                }
                else
                {
                    MessageBox.Show("关闭串口失败!");
                }

                s.tmr.Dispose();
                s.tmr = null;
                return;
            }
            try
            {
                if (HexCB.Checked == true)
                {
                    strRecieve = "";
                    byte[] Receivebuff = new byte[500];
                    int    ReceiveNum  = Uart1.sp.Read(Receivebuff, 0, Uart1.sp.BytesToRead);

                    if (ReceiveNum > 0)
                    {
                        for (int i = 0; i < ReceiveNum; i++)
                        {
                            int hexnum1 = Receivebuff[i] / 16;
                            int hexnum2 = Receivebuff[i] % 16;

                            strRecieve += hexnum1.ToString();
                            strRecieve += hexnum2.ToString();
                            strRecieve += " ";

                            //strRecieve += Receivebuff[i];
                        }

                        Console.WriteLine(strRecieve);
                        ReceiveTB.AppendText(strRecieve);
                    }


                    //Console.WriteLine(Receivebuff.ToString());
                }
                else
                {
                    strRecieve = Uart1.sp.ReadExisting();
                    if (strRecieve != "")
                    {
                        Console.WriteLine(strRecieve);
                        ReceiveTB.AppendText(strRecieve);

                        if (ReceiveTB.Text.Length >= 10000)
                        {
                            NowUartReceiveStatus  = UARTReceiveStatus.DataReceiveFinish;
                            SwitchReceiveBTN.Text = "开始接收";
                        }
                    }
                }
            }
            catch (Exception ex) { }
            //}
        }