/// <summary>
/// Gets all unread messages from modem
/// </summary>
/// <param name="port"></param>
/// <returns>IEnumerable of Model.SMS</returns>
public static IEnumerable <Model.SMS> AllUnread(SerialPort port)
{
Initialize(port);
string input = COMPort.ExecuteATCommand(port, "AT+CMGL=\"REC UNREAD\"", 5000, "Failed to read the messages.");
return(ParseMessages(input));
}
/// <summary>
/// Initializes the Receiving process
/// </summary>
/// <param name="port"></param>
static void Initialize(SerialPort port)
{
// Check connection
COMPort.ExecuteATCommand(port, "AT", 300, "No phone connected");
// Use message format "Text mode"
COMPort.ExecuteATCommand(port, "AT+CMGF=1", 300, "Failed to set message format.");
// Use character set "PCCP437"
//ExecCommand(port,"AT+CSCS=\"PCCP437\"", 300, "Failed to set character set.");
// Select SIM storage
COMPort.ExecuteATCommand(port, "AT+CPMS=\"SM\"", 300, "Failed to select message storage.");
// Read the messages
}
/// <summary>
/// Deletes all read messages in modem
/// </summary>
/// <param name="port"></param>
/// <returns>bool</returns>
public static bool AllRead(SerialPort port)
{
try
{
string recievedData = COMPort.ExecuteATCommand(port, "AT", 300, "No phone connected");
recievedData = COMPort.ExecuteATCommand(port, "AT+CMGF=1", 300, "Failed to set message format.");
String command = "AT+CMGD=1,3";
recievedData = COMPort.ExecuteATCommand(port, command, 300, "Failed to delete message");
return(recievedData.EndsWith("\r\nOK\r\n"));
}
catch (ApplicationException ex)
{
// Garbled response
return(false);
}
catch (Exception ex)
{
return(false);
}
}
/// <summary>
/// Sends the SMS to a specific recipent
/// </summary>
/// <param name="port"></param>
/// <param name="mobile"></param>
/// <param name="message"></param>
/// <returns>bool - Yes/No(Success)</returns>
public static bool Send(SerialPort port, string mobile, string message)
{
try
{
string recievedData = COMPort.ExecuteATCommand(port, "AT", 300, "No phone connected");
recievedData = COMPort.ExecuteATCommand(port, "AT+CMGF=1", 300, "Failed to set message format.");
String command = "AT+CMGS=\"" + mobile + "\"";
recievedData = COMPort.ExecuteATCommand(port, command, 300, "Failed to accept phoneNo");
command = message + char.ConvertFromUtf32(26) + "\r";
recievedData = COMPort.ExecuteATCommand(port, command, 3000, "Failed to send message");
return(recievedData.EndsWith("\r\nOK\r\n"));
}
catch (ApplicationException ex)
{
// Garbled response
// Not enough balance or SIM is deactivated
return(false);
}
catch (Exception ex)
{
return(false);
}
}