/// <summary>
/// Select Networking Band to use
/// </summary>
/// <param name="Band">Band to use</param>
/// <returns>True on succes</returns>
public bool SelectNetworkBand(NetworkBands Band)
{
// Used for returning response body
string responseBody;
// Do a band change
if (_device.ExecuteCommand("AT#BND=" + ((int)Band).ToString(), out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
return(false);
}
return(true);
}
/// <summary>
/// Get GPS Location and Fix Data
/// </summary>
/// <param name="Fix">Dimensions of Fix (0 = No fix, 2 = 2D fix, 3 = 3D fix)</param>
/// <param name="NoSatelites">Number of tracked satelites (Valid when fix>0)</param>
/// <param name="Latitude">Latitude in degrees (Valid when fix>0)</param>
/// <param name="Longitude">Longitude in degrees (Valid when fix>0)</param>
/// <param name="Speed">Speed in KM/H (Valid when fix>0)</param>
/// <param name="GPSTime">UTC/GPS Time (Valid when fix>0)</param>
public void ReadGPSData(out byte Fix, out byte NoSatelites, out Double Latitude, out Double Longitude, out Double Speed, out DateTime GPSTime)
{
// Used for returning response body
string responseBody;
// Request GPS information
if (_device.ExecuteCommand("AT$GPSACP", out responseBody, 2500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.BAD_RESPONSEBODY);
}
// Check response body
if (responseBody.IndexOf("\r\n$GPSACP: ") != 0)
{
throw new GM862Exception(GM862Exception.BAD_RESPONSEBODY);
}
// Split message on comma
String[] gpsInformation = responseBody.Substring(11).Split(new char[] { ',' });
// Check for Fix
Fix = (byte)NumberParser.StringToInt(gpsInformation[5]);
if (Fix > 0)
{
// If Fix get Satelites, Lat and Lon
NoSatelites = (byte)NumberParser.StringToInt(gpsInformation[10]);
Latitude = _decode_dm(gpsInformation[1]);
Longitude = _decode_dm(gpsInformation[2]);
Speed = NumberParser.StringToDouble(gpsInformation[7]);
// Create DateTime Object
int year = NumberParser.StringToInt(gpsInformation[9].Substring(4, 2)) + 2000;
int month = NumberParser.StringToInt(gpsInformation[9].Substring(2, 2));
int day = NumberParser.StringToInt(gpsInformation[9].Substring(0, 2));
int hour = NumberParser.StringToInt(gpsInformation[0].Substring(0, 2));
int minute = NumberParser.StringToInt(gpsInformation[0].Substring(2, 2));
int second = NumberParser.StringToInt(gpsInformation[0].Substring(4, 2));
GPSTime = new DateTime(year, month, day, hour, minute, second);
}
else
{
// If not return 0
NoSatelites = 0;
Latitude = 0F;
Longitude = 0F;
Speed = 0F;
GPSTime = new DateTime();
}
}
/// <summary>
/// Check if we have a valid GPRS Network registration
/// </summary>
/// <returns>True of registrated on GPRS Network</returns>
public bool RegistratedOnGPRSNetwork()
{
// Used for returning response body
string responseBody;
// Do a registration check
if (_device.ExecuteCommand("AT+CGREG?", out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.BAD_RESPONSEBODY);
}
// Check response body
if (responseBody.IndexOf("\r\n+CGREG: ") != 0)
{
throw new GM862Exception(GM862Exception.BAD_RESPONSEBODY);
}
// Check registration state
if ((responseBody[12] == '1') | (AllowRoaming & responseBody[12] == '5'))
{
return(true);
}
else
{
return(false);
}
}
public static void Main()
{
#region Thread to simulate working application
// Simulate a thread that does some heavy work with random spikes and dips
// so it could interfere with the processing of GM862 responses
Thread HeavyWork = new Thread(new ThreadStart(delegate()
{
Random rand = new Random();
long testOperator = 0;
while (true)
{
do
{
for (int x = 0; x < 1000; x++)
{
testOperator = rand.Next(1100);
}
} while (testOperator > 1000);
Thread.Sleep(10);
}
}));
HeavyWork.Priority = ThreadPriority.AboveNormal;
HeavyWork.Start();
#endregion
#region Reset procedure for GM862
Debug.Print("Resetting GM862");
// Reset GM862 Device
OutputPort ResetPin = new OutputPort((Cpu.Pin) 44, false);
System.Threading.Thread.Sleep(100);
ResetPin.Write(true);
Debug.Print("Turn On GM862");
// Wait a while for GM862 to reset
System.Threading.Thread.Sleep(1000);
// Turn on GM862
OutputPort OnOffPin = new OutputPort((Cpu.Pin) 45, true);
System.Threading.Thread.Sleep(500);
OnOffPin.Write(false);
// Wait a while for GM862 to turn onn
System.Threading.Thread.Sleep(1000);
#endregion
// Counter to count how hard we have been working
long largeCounter = 0;
// Create new GM862 Device
GM862GPS GM862 = new GM862GPS(new AT_Interface("COM1", 115200));
// used for sending commands
String ResponseBody = "";
#region GSM Setup
// Initialize gsm function
lock (GM862)
{
// Select network band
if (!GM862.GSM.SelectNetworkBand(GSM.NetworkBands.GSM900_DCS1800))
{
throw new Exception("Failed to select GSM Network Band");
}
// First create function to activate phone
GM862.GSM.OnPinRequest = new GSM.PinRequestHandler(delegate(String PINType)
{
if (PINType == "SIM PIN")
{
return("0000");
}
if (PINType == "SIM PUK")
{
return("05969374, 0000");
}
throw new Exception("Unkown PIN Code");
});
// Event handler for recieving calls
GM862.GSM.OnRecievingCall = new GSM.RecievingCallHandler(delegate()
{
Debug.Print("You are beeing called!");
Thread.Sleep(500);
});
// Allow roaming
GM862.GSM.AllowRoaming = true;
// Now try to initialize gsm
GM862.GSM.Initialize();
}
#endregion
#region GPRS Setup
// Initialize GPRS function
lock (GM862)
{
// Allow roaming
GM862.GPRS.AllowRoaming = true;
// Now try to initialize GPRS
GM862.GPRS.Initialize();
}
#endregion
#region Text Messaging Setup
// Initialize text messaging function
lock (GM862)
{
GM862.TextMessaging.OnRecievedTextMessage = new TextMessaging.RecievedTextMessageHandler(delegate(String Memory, int Location)
{
TextMessaging.TextMessage TextMessage;
Debug.Print("Recieved Text Message!");
// Read text message from indicated storage
if (GM862.TextMessaging.ReadTextMessage(Memory, Location, out TextMessage))
{
Debug.Print("From: " + TextMessage.Orginator);
Debug.Print("Message: " + TextMessage.Message);
if (Memory.IndexOf("SM") != -1)
{
Debug.Print("Deleting message: " + (GM862.TextMessaging.DeleteMessage("SM", TextMessage.Location) ? "OK" : "ERROR"));
}
//Debug.Print("Sending it back");
//GM862.TextMessaging.SendTextMessage(TextMessage.Orginator, TextMessage.Message);
}
});
// Now try to initialize text messaging
GM862.TextMessaging.Initialize();
}
#endregion
#region GPS Setup
// Enable GPS Functions
lock (GM862)
{
// Initialize GPS Functions
GM862.GPS.Initialize();
}
#endregion
#region Extra functions
// Enable status output to get some garbage in the output
lock (GM862)
{
if (GM862.ExecuteCommand("AT+CMER=1, 0, 0, 2, 0", out ResponseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
Debug.Print("ERROR +CMER: " + ResponseBody);
System.Threading.Thread.Sleep(-1);
}
}
// Also unsolicitated GPS output for even more garbage
/* lock (GM862)
* {
* if (GM862.ExecuteCommand("AT$GPSNMUN=1, 0, 0, 0, 0, 1, 1", out ResponseBody, 1500) != AT_Interface.ResponseCodes.OK)
* {
* Debug.Print("ERROR $GPSNMUN: " + ResponseBody);
* System.Threading.Thread.Sleep(-1);
* }
* } //*/
#endregion
// Wait until we have initial GSM/GPRS ready
Debug.Print("Waiting until GSM/GPRS ready");
while (true)
{
if (!GM862.GSM.RegistratedOnGSMNetwork())
{
continue;
}
if (!GM862.GPRS.RegistratedOnGPRSNetwork())
{
continue;
}
break;
}
Debug.Print("Ok");
// Read list of messages from SIM and delete them to make room
Debug.Print("Read list of messages from SIM and delete them to make room");
TextMessaging.TextMessage[] Messages;
if (GM862.TextMessaging.ListTextMessages("SM", TextMessaging.ListGroups.ALL, out Messages) > 0)
{
foreach (TextMessaging.TextMessage Message in Messages)
{
Debug.Print("Deleting message #" + Message.Location + ": " + (GM862.TextMessaging.DeleteMessage("SM", Message.Location) ? "OK" : "ERROR"));
}
}
Debug.Print("Ok");
// Setup first GPRS Context
Debug.Print("Setup first GPRS Context");
if (!GM862.GPRS.SetContextConfiguration(1, "live.vodafone.com", "vodafone", "vodafone", "0.0.0.0"))
{
throw new Exception("Failed to activate GPRS");
}
Debug.Print("Ok");
// Activate first GPRS Context
Debug.Print("Activate first GPRS Context");
if (!GM862.GPRS.ActivateContext(1))
{
throw new Exception("Failed to activate GPRS");
}
Debug.Print("Ok");
// Setup Socket Configuration
Debug.Print("Setup Socket Configuration");
if (!GM862.GPRS.SetSocketConfig(1, 1, 0, 90, 600, 50))
{
throw new Exception("Failed to setup socket 1/2");
}
if (!GM862.GPRS.SetSocketExtendedConfig(1, 0, 0, 0))
{
throw new Exception("Failed to setup socket 2/2");
}
Debug.Print("Ok");
// Parameters used when retrieving GPS info
byte gpsFix;
byte gpsNoSat;
double gpsLat;
double gpsLon;
double gpsSpeed;
DateTime gpsDateTime;
// Heavy testing ;-)
while (true)
{
lock (GM862)
{
if (!GM862.GSM.RegistratedOnGSMNetwork())
{
Debug.Print("GSM NOT READY");
}
if (!GM862.GPRS.RegistratedOnGPRSNetwork())
{
Debug.Print("GPRS NOT READY");
}
GM862.GPS.ReadGPSData(out gpsFix, out gpsNoSat, out gpsLat, out gpsLon, out gpsSpeed, out gpsDateTime);
Debug.Print((gpsFix > 0) ? "GPS Fix ;-)" : "NO GPS FIX");
}
lock (GM862)
{
if ((largeCounter % 21) == 20)
{
byte[] response;
Debug.Print("Fetching sample page from the Web");
if (GM862.Networking.WebRequest(1, "http://joomlacluster.edu-actief.nl/", String.Empty, out response, "GET", String.Empty, String.Empty))
{
Debug.Print(new string(System.Text.Encoding.UTF8.GetChars(response)));
}
else
{
Debug.Print("Failed");
}
}
}
largeCounter++;
Debug.Print(largeCounter.ToString());
lock (GM862)
{
if ((largeCounter % 5) == 0)
{
GM862.HandleUnsolicitatedResponses();
}
}
}
}
/// <summary>
/// Initialize Text Messaging Support
/// </summary>
public void Initialize()
{
// String used to store response body when executing functions
string responseBody;
// Add event handler for unsolicitated responses to check for text message events
_device.OnUnsolicitatedResponse += new GM862GPS.UnsolicitatedResponseHandler(_textmessage_unsolicitated);
// Select standard SMS instruction set
if (_device.ExecuteCommand("AT#SMSMODE=0", out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.FAILED_INITIALIZE);
}
// Select Unsolicited SMS code to be buffered and in form +CMTI: <mem>, <id>
if (_device.ExecuteCommand("AT+CNMI=2,1,0,0,0", out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.FAILED_INITIALIZE);
}
// Select Text Message Format
if (_device.ExecuteCommand("AT+CMGF=1", out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.FAILED_INITIALIZE);
}
// Set Show Text Mode Parameters to show extended information
if (_device.ExecuteCommand("AT+CSDH=1", out responseBody, 1500) != AT_Interface.ResponseCodes.OK)
{
throw new GM862Exception(GM862Exception.FAILED_INITIALIZE);
}
// We have initialized the text message functionality succesfull
_textmessage_initialized = true;
}