/// <summary>
/// 求数据平均数, 根据时间存入数据库
/// </summary>
/// <param name="divice"></param>
private void SumData(Divice divice)
{
tmpDivice.Temperature = (tmpDivice.Temperature + divice.Temperature) / 2;
tmpDivice.Hum = (tmpDivice.Hum + divice.Hum) / 2;
tmpDivice.ErrorNum = divice.ErrorNum;
tickTime++;
//半小时存一次
if (tickTime >= 1800)
{
tickTime = 0;
SaveData();
}
}
/// <summary>
/// 进程方法, 开始接收串口数据
/// </summary>
private void run()
{
w: while (true)
{
count = 0;
c = new char[DataLen];
try
{
for (int i = 0; i < DataLen; i++)
{
//度一个字节
int Data = sp.ReadByte();
//存入缓存
c[i] = (char)Data;
//如果有头
if (i < Start.Length)
{
if (Data != Start[i])
{
sp.DiscardInBuffer();
sp.DiscardOutBuffer();
goto w;
}
}
//如果有尾
if (i >= DataLen - End.Length)
{
if (Data != End[i - DataLen + End.Length])
{
sp.DiscardInBuffer();
sp.DiscardOutBuffer();
goto w;
}
}
count++;
}
isExist = false;
foreach (var d in ld)
{
if (d.DiviceNum == (int)c[2])
{
isExist = true;
d.Temperature = c[3];
d.Hum = c[4];
d.Wo = c[5];
d.ErrorNum = c[6];
d.MotorState = c[7];
break;
}
}
if (!isExist)
{
Divice d = new Divice();
d.DiviceNum = c[2];
d.Temperature = c[3];
d.Hum = c[4];
d.Wo = c[5];
d.ErrorNum = c[6];
d.MotorState = c[7];
ld.Add(d);
}
}
catch
{
}
Thread.Sleep(10);
}
}
/// <summary>
/// 向数据库存数据
/// </summary>
private void SaveData()
{
SQLiteHelper.SaveData(tmpDivice.DiviceNum, tmpDivice.Temperature, tmpDivice.Hum, tmpDivice.Wo, tmpDivice.MotorState, tmpDivice.ErrorNum);
tmpDivice = new Divice();
}
/// <summary>
/// 初始化
/// </summary>
private void init()
{
//初始化串口
try
{
tmpDivice = new Divice();
//Control.CheckForIllegalCrossThreadCalls = false;
this.MaximizeBox = false;
b = new byte[RebackDataLen];
for (int i = 0; i < b.Length; i++)
{
if (i < Start.Length)
{
b[i] = Convert.ToByte(Start[i]);
}
if (i > RebackDataLen - End.Length - 1)
{
b[i] = Convert.ToByte(End[i - RebackDataLen + End.Length]);
}
}
try
{
Ports = SerialPort.GetPortNames();
}
catch
{
Ports = new String[] { "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", };
}
c = new char[DataLen];
sp = new SerialPort();
sp.BaudRate = BaudTate;
sp.StopBits = stopBit;
sp.DataBits = DataBits;
sp.ReadTimeout = ReadTimeout;
sp.PortName = ComPortName;
sp.Open();
labStatus.Text = ComPortName + STATUS.已连接.ToString();
lbRoll.Visible = true;
//sp.Write(new Byte[] { 0xaa }, 0, 1);
}
catch
{
MessageBox.Show("串口打开失败, 请检查是否选择正确或已被占用.");
labStatus.Text = ComPortName + STATUS.未连接.ToString();
lbRoll.Visible = false;
}
}