public void UpdateEpoData(byte[] fileData) //TODO: try and use https://github.com/f5eng/mt3339-utils/blob/gps/epoloader as this fails.
{
this.failCount = 0;
this.epoCount = 0;
this.epoFileData = fileData;
//this.flagAGPS = false;
this.finalEpoPacketRequired = false;
this.flagStop = false;
//this.totEPOcnt = epoFileData.Length / SatSetSize; // = 32
if (this.epoFileData.Length % 1920 != 0)
{
Debug.WriteLine("EPO File is corrupt");
}
else
{
var b = UTF8Encoding.UTF8.GetBytes(ENTER_BINARY_MODE);
outputDataWriter.WriteBytes(b); // GPS chipset from nmea- to bin-mode at 57600bps
Thread.Sleep(500);
//serialPort.Close();
currentProtocol = CommsProtocol.Binary;
serialPort.BaudRate = 57600;
//serialPort.Open();
this.SendEpoPacket();
Debug.WriteLine("Starting to send epo packets");
}
}
private bool validateArgs(Dictionary <string, string> cmdLineArgs)
{
protocol = CommsProtocol.NONE;
if (cmdLineArgs[reqArgs[0]].ToUpper().Equals("RTU"))
{
//this is not supported yey only ethernet is supported
logger.Debug("Using RTU Protocol");
protocol = CommsProtocol.RTU;
}
else if (cmdLineArgs[reqArgs[0]].ToUpper().Equals("IP"))
{
logger.Debug("Using ETHERNET Protocol");
protocol = CommsProtocol.ETHERNET;
}
else
{
logger.Debug("Inavlid protocol specified : " + cmdLineArgs[reqArgs[0]].ToUpper());
this.lastError = "Unknown protocol " + cmdLineArgs[reqArgs[0]].ToUpper();
return(false);
}
if (protocol == CommsProtocol.NONE)
{
return(false);
}
//get interface if specified
if (cmdLineArgs.ContainsKey(optArgs[0]))
{
interfaceName = cmdLineArgs[optArgs[0]];
logger.Debug("Interface is specified : " + interfaceName);
}
else
{
interfaceName = null;
}
return(true);
}
private void SetModeNMEA(uint baudRate)
{
byte[] NemaPacket = new byte[14];
NemaPacket[0] = 0x04; NemaPacket[1] = 0x24; // Preamble
NemaPacket[2] = 0x0E; NemaPacket[3] = 0x00; // Length
NemaPacket[4] = 0xFD; NemaPacket[5] = 0x00; // Command: Change UART packet protocol
NemaPacket[6] = 0x00; // PMTK protocol
NemaPacket[7] = (byte)(baudRate & 0xFF); // Set UART baudrate (4 bytes)
NemaPacket[8] = (byte)((baudRate >> 8) & 0xFF);
NemaPacket[9] = (byte)((baudRate >> 16) & 0xFF);
NemaPacket[10] = (byte)((baudRate >> 24) & 0xFF);
NemaPacket[11] = GenerateChecksum(NemaPacket); // Checksum
NemaPacket[12] = 0x0D; NemaPacket[13] = 0x0A; // End word
outputDataWriter.WriteBytes(NemaPacket);
//Thread.Sleep(500);
//serialPort.Close();
serialDevice.BaudRate = baudRate;
currentProtocol = CommsProtocol.ASCII;
//serialDevice.Open();
Debug.WriteLine("Set to NEMA mode");
}
