最近做了一個小系統,麻雀雖小五髒俱全呀,用到各種線程控制,序列槽控制等技術。其中序列槽控制最麻煩,因為繼電器的響應很快,根據不同的轉接口,傳回的資料品質是不一樣的,是以不能直接wirte,然後馬上read,這樣經常得到的效應狀态是錯誤的。是以需要用到backgroundworker不停地read,校驗資料成功後再設定成功狀态标志,最後讓timer定時擷取改标志,成功後立即控制程式界面上的按鈕等控件。
public void openSerial()
{
try
{
foreach (GlobaConfig config in GlobaConfigInstance.Instance)
{
if ((!config.SerialPort.IsOpen))
{
config.SerialPort.Open();
config.SerialPort.DiscardInBuffer();
config.SerialPort.DiscardOutBuffer();
}
}
}
catch(Exception ex)
{
//MessageBox.Show("打開失敗!" + ex.Message);
NotificationManager.Show(this, "打開失敗!" + ex.Message,
Color.Gold, 1000);
return;
}
}
private void SendOpenDemand(byte port)
{
byte[] buffer = new byte[20];
byte[] buffer2 = new byte[2];
buffer[0] = GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr;
buffer[1] = 5;
buffer[2] = 0;
buffer[3] = port;
buffer[4] = 0xff;
buffer[5] = 0;
A101.GetCRC(buffer, 6, buffer2);
buffer[6] = buffer2[0];
buffer[7] = buffer2[1];
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
this.SerialSendFrame(buffer, 0, 8);
}
else
{
//MessageBox.Show("親,你要先打開序列槽哦!");
}
}
private void SendCloseDemand(byte port)
{
byte[] buffer = new byte[20];
byte[] buffer2 = new byte[2];
buffer[0] = GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr;
buffer[1] = 5;
buffer[2] = 0;
buffer[3] = port;
buffer[4] = 0;
buffer[5] = 0;
A101.GetCRC(buffer, 6, buffer2);
buffer[6] = buffer2[0];
buffer[7] = buffer2[1];
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
this.SerialSendFrame(buffer, 0, 8);
}
else
{
//MessageBox.Show("親,你要先打開序列槽哦!");
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
byte[] buffer;
while (true)
{
try
{
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
int bytesToRead = GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.BytesToRead;
buffer = new byte[0xff];
if (bytesToRead > 0)
{
int num2;
bytesToRead = 0x45;
GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.Read(buffer, 0, bytesToRead);
bool isValid = A101.ValidCRC(buffer, (byte)bytesToRead);
System.Diagnostics.Debug.WriteLine("isValid: " + isValid);
if (isValid)
{
for (num2 = 0; num2 < bytesToRead; num2++)
{
this.SerialRecBuf[num2] = buffer[num2];
}
this.SerialRecFlag = true;
}
else
this.SerialRecFlag = false;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Thread.Sleep(1);
}
}
private void timer1_Tick(object sender, EventArgs e)
{
if (this.SerialRecFlag)
{
this.SerialRecFlag = false;
if (((this.SerialRecBuf[0] == GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr) && (this.SerialRecBuf[1] == 5)) && (this.SerialRecBuf[4] == 0))
{
this.BtnSendFlag = false;
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
Control[] controls = this.kryptonNavigator1.SelectedPage.Controls.Find("btnRelay" + kryptonNavigator1.SelectedIndex + this.SerialRecBuf[3], true);
if (controls.Length > 0)
{
KryptonCheckButton button = controls[0] as KryptonCheckButton;
button.Checked = false;
button.Tag = "斷開";
button.Enabled = true;
}
}
}
else if (((this.SerialRecBuf[0] == GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr) && (this.SerialRecBuf[1] == 5)) && (this.SerialRecBuf[4] == 0xff))
{
this.BtnSendFlag = false;
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
Control[] controls = this.kryptonNavigator1.SelectedPage.Controls.Find("btnRelay" + kryptonNavigator1.SelectedIndex + this.SerialRecBuf[3], true);
if (controls.Length > 0)
{
KryptonCheckButton button = controls[0] as KryptonCheckButton;
button.Checked = true;
button.Tag = "閉合";
button.Enabled = true;
}
}
}
else if (((this.SerialRecBuf[0] == GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr) && (this.SerialRecBuf[1] == 1)) && (this.SerialRecBuf[2] == 4))
{
uint[] numArray = new uint[4];
uint resource = 0;
numArray[0] = this.SerialRecBuf[3];
numArray[1] = this.SerialRecBuf[4];
numArray[2] = this.SerialRecBuf[5];
numArray[3] = this.SerialRecBuf[6];
resource = (((numArray[3] << 0x18) | (numArray[2] << 0x10)) | (numArray[1] << 8)) | numArray[0];
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
foreach (Control control in this.kryptonNavigator1.SelectedPage.Controls[2].Controls)
{
KryptonCheckButton button = control as KryptonCheckButton;
if (this.GetRegBit(resource, (byte)control.TabIndex) == 0)
{
button.Checked = false;
button.Tag = "斷開";
}
else
{
button.Checked = true;
button.Tag = "閉合";
}
button.Enabled = true;
}
}
}
}
}
private void timer2_Tick(object sender, EventArgs e)
{
if (!this.BtnSendFlag)
{
byte[] buffer = new byte[20];
byte[] buffer2 = new byte[2];
buffer[0] = GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].Addr;
buffer[1] = 1;
buffer[2] = 0;
buffer[3] = 0;
buffer[4] = 0;
buffer[5] = 0x1c;
A101.GetCRC(buffer, 6, buffer2);
buffer[6] = buffer2[0];
buffer[7] = buffer2[1];
System.Diagnostics.Debug.WriteLine(kryptonNavigator1.SelectedIndex + ":" + GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen);
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.IsOpen)
{
this.SerialSendFrame(buffer, 0, 8);
this.timer1.Start();
}
else
{
if (GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].IsValid == true)
{
GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].IsValid = false;
try
{
GlobaConfigInstance.Instance[kryptonNavigator1.SelectedIndex].SerialPort.Open();
//修復退出的線程
//this.timer1 = new System.Windows.Forms.Timer();
this.timer1.Start();
}
catch (Exception ex)
{
NotificationManager.Show(this, "主機" + (kryptonNavigator1.SelectedIndex + 1) + "出現異常:" + ex.Message,
Color.Gold, 1000);
//MessageBox.Show("主機" + (kryptonNavigator1.SelectedIndex + 1) + "出現異常:" + ex.Message);
}
}
}
}
}