//méthode Connect() permet de connecter l'appareil GSM au port
public bool Connecter()
{
if (gsmPort == null || !IsConnected || !gsmPort.IsOpen)
{
GSMcom com = RechercherModem();
if (com != null)
{
try
{
gsmPort.PortName = com.Name; //COM2
gsmPort.BaudRate = 33600; //28800 192.168.10.10 192.168.1.117
gsmPort.Parity = Parity.None;
gsmPort.DataBits = 8;
gsmPort.StopBits = StopBits.One;
gsmPort.Handshake = Handshake.RequestToSend;
gsmPort.DtrEnable = true;
gsmPort.RtsEnable = true;
gsmPort.NewLine = Environment.NewLine;
gsmPort.Open();
IsConnected = true;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
IsConnected = false;
}
}
else
{
IsConnected = false;
}
}
return(IsConnected);
}
// cette fonction permet de rechercher si un appareil GSM est connecté
public GSMcom RechercherModem()
{
IEnumerator enumerator = List().GetEnumerator();
GSMcom com = enumerator.MoveNext() ? (GSMcom)enumerator.Current : null;
if (com == null)
{
IsDeviceFound = false;
Console.WriteLine("Désolé aucun modem GSM trouvé!");
Console.WriteLine("Veuillez brancher un appareil GSM et réessayer");
}
else
{
//affiche la description et le nom du modem puis le connecte au port
IsDeviceFound = true;
Console.WriteLine(com.ToString());
Connecter();
}
return(com);
}
public GSMcom[] List()
{
List <GSMcom> gsmcom = new List <GSMcom>();
ConnectionOptions options = new ConnectionOptions();
options.Impersonation = ImpersonationLevel.Impersonate;
options.EnablePrivileges = true;
try
{
string path = $@"\\{Environment.MachineName}\root\cimv2";
ManagementScope scope = new ManagementScope(path, options);
scope.Connect();
ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_POTSModem");
ManagementObjectSearcher search = new ManagementObjectSearcher(scope, query);
ManagementObjectCollection collection = search.Get();
foreach (ManagementObject obj in collection)
{
string portName = obj["AttachedTo"].ToString();
string portDescription = obj["Description"].ToString();
if (portName != "")
{
GSMcom com = new GSMcom();
com.Name = portName;
com.Description = portDescription;
gsmcom.Add(com);
}
}
} catch (StackOverflowException ex)
{
Console.WriteLine(ex.Message);
//IsConnected = false;
}
return(gsmcom.ToArray());
}