Examples - Receive SMS message

//----------------------------------------------------------------------------
// Receive SMS.vpl, created 2000-08-06 11:14
//
// This program allows control of 8 outputs by sending a SMS-message
// to the RTCU device. "ON" followed by a number in the interval 1..8 activates
// the specified output.
// "OFF" followed by a number in the interval 1..8 deactivates the specified
// output.
//----------------------------------------------------------------------------
INCLUDE rtcu.inc
 
VAR_OUTPUT
  outputs     : ARRAY[1..8] OF BOOL; | All 8 outputs
  connected   : BOOL;               | Connected to a GSM basestation.
END_VAR;
 
VAR
  sms     : gsmIncomingSMS; // Receives incoming SMS messages
  extract : strGetValues; // Matching of strings
END_VAR;
 
PROGRAM ReceiveSMS;
 
// The next code will only be executed once after the program starts
gsmPower(power:=ON);
 
BEGIN
  sms();
  connected := gsmConnected();
 
  IF sms.status > 0 THEN
    // Message received
    // Check if it is a "ON" message
     extract(format:="ON \1", str:=sms.message);
    IF extract.match AND extract.v1 >= 1 AND extract.v1 <= 8 THEN
        outputs[extract.v1] := ON;
    END_IF;
 
    // Check if it is a "OFF" message
     extract(format:="OFF \1", str:=sms.message);
    IF extract.match AND extract.v1 >= 1 AND extract.v1 <= 8 THEN
        outputs[extract.v1] := OFF;
    END_IF;
    DebugMsg(message:=strConcat(str1:="Message received from ", str2:=sms.phonenumber));
    DebugMsg(message:=strConcat(str1:="Message is ", str2:=sms.message));
  END_IF;
END;
 
END_PROGRAM;