/// <summary>
/// 把Configation对象转为结构体CAN_InitConfig
/// </summary>
private Like.CAN_InitConfig Conver2InitConfig(Configation cfg)
{
Like.CAN_InitConfig res = new Like.CAN_InitConfig();
res.dwBtr = new byte[4];
res.dwReserved = 0;
if (cfg.IsListenOnly)
res.bMode = 1;
else
res.bMode = 0;
if (cfg.BaudrateTypeIsSJA1000)
res.nBtrType = 1;
else
res.nBtrType = 0;
byte[] btr = new byte[4];
btr = BitConverter.GetBytes((uint)cfg.Baudrate);
res.dwBtr = btr;
res.nFilter = (byte)cfg.FilterMode;
res.dwAccCode = cfg.AccCode;
res.dwAccMask = cfg.AccMask;
return res;
}
/// <summary>
/// 打开CAN通道
/// </summary>
private void button1_Click(object sender, EventArgs e)
{
uint acc = 0x00000000, mask = 0xFFFFFFFF;
if (maskedTextBox1.Enabled) acc = Convert.ToUInt32(maskedTextBox1.Text, 16);
if (maskedTextBox2.Enabled) mask = Convert.ToUInt32(maskedTextBox2.Text, 16);
Configation cfg = new Configation((CAN_Baudrate)comboBox1.SelectedValue, true, (bool)comboBox2.SelectedValue,
(CAN_FilterMode)comboBox3.SelectedValue, acc, mask);
if (CANChannel != null)
{
if (CANChannel.Start(cfg))
{
//在打开端口事件处理函数中改变控制状态
}
else
{
MessageBox.Show("打开CAN口失败！", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show("打开通道前\n请先通过CANChannel属性设置通道对象", "错误:", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 开启CAN通道
/// </summary>
public bool Start(Configation conf)
{
if (this.IsRuning)
{
System.Windows.Forms.MessageBox.Show(string.Format("CAN{0}已经打开,若要重新打开请先关闭!", this.Channel),
"提示:", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
return false;
}
else
{
Like.CAN_InitConfig init = Conver2InitConfig(conf);
uint resualt = Like.CAN_ChannelStart(this._handle, this.Channel, ref init);
if (resualt != 0)
{
this._isRuning = true;
this._startTime = DateTime.Now;
Debug.WriteLine(string.Format("打开\t CAN{0}\t成功", this.Channel), this.StartTime.ToString());
//触发CAN通道打开事件
if (EventStart != null)
EventStart(this, new EventArgs());
return true;
}
else
{
this._isRuning = false;
Debug.WriteLine(string.Format("打开\t CAN{0}\t失败", this.Channel));
return false;
}
}
}