/// <summary>
/// Wait for the given token or timeout on the given serial port.
/// </summary>
/// <param name="Port">The port. Must not be null.</param>
/// <param name="Token">The token to wait for. Can be null if not waiting for a token.</param>
/// <param name="MaxWait">The maximum amount of time to wait for a response, in milliseconds.</param>
/// <returns>true if token was received, false if not.</returns>
public static bool WaitForToken(TSerialPort Port,
string Token, int MaxWait)
{
string Temp;
return(WaitForToken(Port, Token, MaxWait, out Temp));
}
/// <summary>
/// Wait for the given token or timeout on the given serial port
/// </summary>
/// <param name="Port">The port. Must not be null.</param>
/// <param name="Token">The token to wait for. Can be null if not waiting for a token.</param>
/// <param name="MaxWait">The maximum amount of time to wait for a response, in milliseconds.</param>
/// <param name="Result">The data returned. Never null.</param>
/// <returns>true if token was received, false if not.</returns>
public static bool WaitForToken(TSerialPort Port,
string Token, int MaxWait, out string Result)
{
System.Diagnostics.Stopwatch SW = new System.Diagnostics.Stopwatch();
string Temp = "";
int Timeout = Port.ReadTimeout;
Port.ReadTimeout = MaxWait;
SW.Start();
while (SW.ElapsedMilliseconds < MaxWait)
{
string x = Port.ReadExisting();
Temp += x;
if ((Token != null) && Temp.Contains(Token))
{
Port.ReadTimeout = Timeout;
Result = Temp;
return(true);
}
System.Threading.Thread.Sleep(50);
}
Port.ReadTimeout = Timeout;
Result = Temp;
return(false);
}
/// <summary>
/// Query a serial port.
/// </summary>
/// <param name="Port">The port. Must not be null.</param>
/// <param name="Query">The query to send, without the terminator. Must not be null.</param>
/// <param name="Terminator">The terminator. Can be null if none.</param>
/// <param name="MaxWait">The maximum period to wait in milliseconds.</param>
/// <returns>The data returned. Never null.</returns>
public static string Query(TSerialPort Port,
string Query, string Terminator, int MaxWait)
{
Port.DiscardInBuffer();
Query = Query + (Terminator == null ? "" : Terminator);
Port.Write(Query);
string Reply;
WaitForToken(Port, Terminator, MaxWait, out Reply);
return(Reply);
}
