/// <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;
}
}
/// <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;
}
}
/// <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) { }
//}
}