/// <summary>
/// Open serial port in comModel
/// </summary>
/// <param name="portName"></param>
/// <param name="baudRate"></param>
/// <param name="dataBits"></param>
/// <param name="stopBits"></param>
/// <param name="parity"></param>
/// <param name="handshake"></param>
public void OpenSerialPort(string portName, String baudRate,
string dataBits, string stopBits, string parity, string handshake)
{
if (portName != null && portName != "")
{
comModel.Open(portName, baudRate, dataBits, stopBits, parity, handshake);
}
}
/// <summary>
/// 发送指令串到led显示屏
/// </summary>
/// <param name="portName"></param>
/// <param name="msg"></param>
/// <param name="error"></param>
/// <returns></returns>
public static bool sendMsg2Led(string portName,
string msg,
out string error)
{
error = "";
ComModel _comModel = new ComModel();
try
{
// 打开串口
var ret = _comModel.Open(portName,
"57600", //baudRate,
"8", //dataBits,
"One", //stopBits,
"None", //parity,
"None", //handshake
out error);
if (ret == false)
{
return(false);
}
// 将字符转为二进制
System.Text.Encoding encoding = System.Text.Encoding.GetEncoding("gb2312");
byte[] data = encoding.GetBytes(msg);
// 给串口发送二进制
bool bRet = _comModel.Send(data, out string strError);
if (bRet == false)
{
error = $"给串口({portName})发送消息失败: {strError}";
return(false);
}
}
catch (Exception ex)
{
error = ex.Message;
return(false);
}
finally
{
// 关闭串口
_comModel.Close();
}
return(true);
}
// Use this for initialization
void Start()
{
com.Open("COM4", "9600", "8", "1", "None", "None");
}