public bool GetInputGpioValues()
{
// this is just for debugging
//FileStream fileStream = new FileStream("C:\\GpioIntervalLog.txt", FileMode.Append);
//StreamWriter sw = new StreamWriter(fileStream);
bool success = false;
StringBuilder command = new StringBuilder("");
//build the command to read INPUTS
if (wiznetGpioCfg.GetGpioModeString(wiznetGpioCfg.GpioA).Equals("INPUT"))
{
if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioA).Equals("NORMAL"))
{
command.Append("GA\r\n");
}
else if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioA).Equals("PULSE"))
{
command.Append("TA\r\n");
}
}
if (wiznetGpioCfg.GetGpioModeString(wiznetGpioCfg.GpioB).Equals("INPUT"))
{
if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioB).Equals("NORMAL"))
{
command.Append("GB\r\n");
}
else if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioB).Equals("PULSE"))
{
command.Append("TB\r\n");
}
}
if (wiznetGpioCfg.GetGpioModeString(wiznetGpioCfg.GpioC).Equals("INPUT"))
{
if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioC).Equals("NORMAL"))
{
command.Append("GC\r\n");
}
else if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioC).Equals("PULSE"))
{
command.Append("TC\r\n");
}
}
if (wiznetGpioCfg.GetGpioModeString(wiznetGpioCfg.GpioD).Equals("INPUT"))
{
if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioD).Equals("NORMAL"))
{
command.Append("GD\r\n");
}
else if (wiznetGpioCfg.GetGpioDigModeString(wiznetGpioCfg.GpioD).Equals("PULSE"))
{
command.Append("TD\r\n");
}
}
if (command.ToString().Equals(System.String.Empty))
{
//sw.WriteLine("GetInputGpioValues NO COMMAND - ALL OUTPUTS?");
//sw.Close();
return(false);
}
// build the complete network command
string logText;
byte[] cmd_hex = { 0x4d, 0x41, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0d, 0x0a, 0x50, 0x57, 0x20, 0x0d, 0x0a };
byte[] cmdBytes = Encoding.ASCII.GetBytes(command.ToString());
int final_len = cmd_hex.Length + cmdBytes.Length;
// reserve the final command buffer
byte[] final_cmd = new byte[final_len + 1];
// combine the network header and command
Array.ConstrainedCopy(cmd_hex, 0, final_cmd, 0, cmd_hex.Length);
Array.ConstrainedCopy(cmdBytes, 0, final_cmd, cmd_hex.Length, cmdBytes.Length);
// Send the command
Connection.Write(final_cmd, 0, final_len, CommUtils.ProtocolLogFormats.Hex, out logText);
byte[] par = new byte[100];
int partial = Connection.Read(par, 0, 15, 1000);
if (partial == 0)
{
// Timeout
//sw.WriteLine("GetInputGpioValues Timeout");
//sw.Close();
return(false);
}
string tmp = System.String.Empty;
while (true)
{
tmp = Connection.ReadLine(100, out logText);
if (tmp == null)
{
// Timeout
break;
}
else
{
try
{
if (!wiznetGpioCfg.DecodeCommand(tmp.Trim()))
{
DiscardConnectionData();
//sw.WriteLine("GetInputGpioValues Fail decode");
//sw.Close();
return(false);
}
else
{
success = true;
}
}
catch //(Exception e)
{
//sw.WriteLine("GetInputGpioValues Exception: " + e);
//sw.Close();
DiscardConnectionData();
return(false);
}
continue;
}
}
return(success);
}