Diff: main.cpp

Revision:

15:262da03e3e20

Parent:

12:e622e146b3cd

Child:

16:9245c3a37491

--- a/main.cpp	Thu Sep 20 08:05:18 2012 +0000
+++ b/main.cpp	Tue Sep 25 10:01:54 2012 +0000
@@ -48,6 +48,9 @@
                                             // the switch senses positive when the door is closed - need to be sure when it's closed! :-)
 bool        openTheDoor = false;            // create a state variable which is set to indicate the mbed should open the door
                                             // this variable will be used hold the latch open until it knows the door has been open.
+bool        detectRegState = true;          // this boolean variable will force the while loop to detect reg state - if the connection manager
+                                            // is not registered it will stay in this 'detec' phase for ever.                                            
+                                            
 int read_digital(void) {
     DigitalIn mydigital(p6);
     return(mydigital.read());
@@ -58,19 +61,75 @@
 
   DBG("Hello world and Vodafone K3770 test program!");
     
-  connectionManager.sendSM(MY_PHONE_NUMBER, "Hello from mbed door controller:)");
+
 
   char num[17];                                           // create a buffer to hold the telephone number in
   char msg[160];                                          // create a buffer to hold the text message in
   size_t count;
+  LinkMonitor::REGISTRATION_STATE regState = LinkMonitor::REGISTRATION_STATE_UNKNOWN;       // an enum to hold the registration state of the connection manager
+  LinkMonitor::BEARER bearer = LinkMonitor::BEARER_UNKNOWN;                                 // an enum to hold the type of bearer established by the connection manager
+  int rssi = -1000;                                                                         // a signal strength indicator variable - set to a very default low value.
+
+  // before we do anything we need to make sure we have a connection to a network.
+  // so let us check that first!
+  
+  while(detectRegState)
+  {
+      if(connectionManager.getLinkState(&rssi, &regState, &bearer)==0) 
+      {
+        if(rssi==-1000) 
+        { 
+            DBG("Checking signal strength - RSSI: Error.");
+        } 
+        else 
+        { 
+            DBG("Signal strength is: RSSI: %d",rssi);
+        }
+            
+        switch(regState) 
+        {
+            case LinkMonitor::REGISTRATION_STATE_UNKNOWN:
+                DBG("regState: UNKNOWN. Failing.");
+                break;
+            case LinkMonitor::REGISTRATION_STATE_REGISTERING:
+                DBG("regState: REGISTERING");
+                break;
+            case LinkMonitor::REGISTRATION_STATE_DENIED:
+                DBG("regState: DENIED");
+                break;
+            case LinkMonitor::REGISTRATION_STATE_NO_SIGNAL:
+                DBG("regState: NO SIGNAL");
+                break;
+            case LinkMonitor::REGISTRATION_STATE_HOME_NETWORK:
+                detectRegState = false;
+                DBG("regState: HOME NETWORK");
+                break;
+            case LinkMonitor::REGISTRATION_STATE_ROAMING:
+                detectRegState = false;
+                DBG("regState: ROAMING");
+                break;
+            default:
+                DBG("regState: ERROR. Failing.");
+                break;
+        }
+      }
+  }
+
+
+
+
+
+  connectionManager.sendSM(MY_PHONE_NUMBER, "Hello from mbed door controller:)");
+
+
 
   while(true)
   {
     
     // if this state variable has been set I need to keep the doorContactor on until the door is open
-    if ((openTheDoor) || (doorProximitySwitch.read() == 0))
+    if ((openTheDoor) && (read_digital() == 0))
     {
-        
+        DBG("The door is open now and I'm switching off the relay and reseting the state variable");
         doorContactorRelay = 0;                             // door must be open now so switch relay off.
         openTheDoor = false;                                // the door is open now so set it to false.
         led3 = 0;                                           // switch the LED light off to indicate I'm switching the relay off
@@ -81,12 +140,12 @@
     //if (doorProximitySwitch.read() == 0)
     if (read_digital() == 0)
     {
-        DBG("The door proximity switch is: %d so I think it's open", doorProximitySwitch.read() );
+        // DBG("The door proximity switch is: %d so I think it's open", doorProximitySwitch.read() );
         led1 = 1;
     }
     else
     {
-        DBG("The door proximity switch is: %d so I think it's closed", doorProximitySwitch.read() );
+        // DBG("The door proximity switch is: %d so I think it's closed", doorProximitySwitch.read() );
         led1 = 0;
     }
     
@@ -100,7 +159,7 @@
       continue;
     }
         
-    DBG("The SMS count is now at: %d for this modem", count);
+    // DBG("The SMS count is now at: %d for this modem", count);
     if( count > 0)                                          // if there are messages in the mailbox start pulling them off the queue
     {
       DBG("%d SMS to read", count);
@@ -115,14 +174,23 @@
 
       DBG("The message is from number: %s and the message is: \"%s\"", num, msg);
       
-      if (strcmp (msg, "open") ==0) 
+      // if the SMS is from your own number, ignore it!
+      if(strcmp(num,"+447785666088")==0) 
+      {
+        DBG("The message appears to be from my MSISDN number: %s, I'll do nothing.", num);
+        continue;
+      }
+      
+  
+      
+      if ((strcmp (msg, "open") ==0)|| (strcmp(num,"TrackaPhone")==0)) 
       {
         DBG("The SMS message indicates I should open the door");
         
         // check the door is not already open if it is do nothing and send a warning back to the sender
         // for this door the switch 'true' then its closed - we have to have an active signal to show it's securely closed
 
-        if ( doorProximitySwitch.read() == 0)
+        if (read_digital() == 0 )
         {
             DBG("The door is already open - so I'll do nothing");
             connectionManager.sendSM(num, " WARNING - The door is already open sir! ");