//加载
private void Form1_Load(object sender, EventArgs e)
{
INIFILE.Profile.LoadProfile();//加载所有
// 预置波特率
switch (Profile.G_BAUDRATE)
{
case "300":
cbBaudRate.SelectedIndex = 0;
break;
case "600":
cbBaudRate.SelectedIndex = 1;
break;
case "1200":
cbBaudRate.SelectedIndex = 2;
break;
case "2400":
cbBaudRate.SelectedIndex = 3;
break;
case "4800":
cbBaudRate.SelectedIndex = 4;
break;
case "9600":
cbBaudRate.SelectedIndex = 5;
break;
case "19200":
cbBaudRate.SelectedIndex = 6;
break;
case "38400":
cbBaudRate.SelectedIndex = 7;
break;
case "115200":
cbBaudRate.SelectedIndex = 8;
break;
default:
{
MessageBox.Show("波特率预置参数错误。");
return;
}
}
//预置数据位
switch (Profile.G_DATABITS)
{
case "5":
cbDataBits.SelectedIndex = 0;
break;
case "6":
cbDataBits.SelectedIndex = 1;
break;
case "7":
cbDataBits.SelectedIndex = 2;
break;
case "8":
cbDataBits.SelectedIndex = 3;
break;
default:
{
MessageBox.Show("数据位预置参数错误。");
return;
}
}
//预置停止位
switch (Profile.G_STOP)
{
case "1":
cbStop.SelectedIndex = 0;
break;
case "1.5":
cbStop.SelectedIndex = 1;
break;
case "2":
cbStop.SelectedIndex = 2;
break;
default:
{
MessageBox.Show("停止位预置参数错误。");
return;
}
}
//预置校验位
switch (Profile.G_PARITY)
{
case "None":
cbParity.SelectedIndex = 0;
break;
case "Odd":
cbParity.SelectedIndex = 1;
break;
case "Even":
cbParity.SelectedIndex = 2;
break;
default:
{
MessageBox.Show("校验位预置参数错误。");
return;
}
}
//预置CAN速率
switch (Profile.G_RATE)
{
case "10":
canRate.SelectedIndex = 0;
break;
case "20":
canRate.SelectedIndex = 1;
break;
case "50":
canRate.SelectedIndex = 2;
break;
case "100":
canRate.SelectedIndex = 3;
break;
case "125":
canRate.SelectedIndex = 4;
break;
case "250":
canRate.SelectedIndex = 5;
break;
case "500":
canRate.SelectedIndex = 6;
break;
case "800":
canRate.SelectedIndex = 7;
break;
case "1024":
canRate.SelectedIndex = 8;
break;
default:
{
MessageBox.Show("CAN速率预置参数错误。");
return;
}
}
//检查是否含有串口
string[] str = SerialPort.GetPortNames();
if (str == null)
{
MessageBox.Show("本机没有串口！", "Error");
return;
}
//添加串口项目
foreach (string s in System.IO.Ports.SerialPort.GetPortNames())
{//获取有多少个COM口
//System.Diagnostics.Debug.Write(s);
cbSerial.Items.Add(s);
}
//message
string sql_m = "select * from cantoolapp.canmessage";
SqlHelper.connect();
SqlDataReader sqldr_m = SqlHelper.query(sql_m);
while (sqldr_m.Read())
{
string messageName = (string)sqldr_m["messagename"];
CANMessageObject temp = new CANMessageObject();
temp.MessageName = messageName.ToCharArray();
temp.Id = Convert.ToUInt32(sqldr_m["id"]);
canMessage.Add(temp);
message.Items.Add(messageName);
}
SqlHelper.close();
//串口设置默认选择项
//cbSerial.SelectedIndex = 1; //note：获得COM9口，但别忘修改
Control.CheckForIllegalCrossThreadCalls = false;
//这个类中我们不检查跨线程的调用是否合法(因为.net 2.0以后加强了安全机制,，不允许在winform中直接跨线程访问控件的属性)
sp1.DataReceived += new SerialDataReceivedEventHandler(sp1_DataReceived);
//sp1.ReceivedBytesThreshold = 1;
//准备就绪
sp1.DtrEnable = true;
sp1.RtsEnable = true;
//设置数据读取超时为1秒
sp1.ReadTimeout = 1000;
sp1.Close();
}