reformats code

Hohm_Phone.ino

@@ -18,6 +18,9 @@
 // Low battery light threshold
 #define CHG_VLO 3800
 
+// Time in miliseconds to stop listening for keypad input
+#define SLEEP_TIMEOUT 120000
+
 // Keypad pinout
 byte rowPins[4] = {5, 10, 9, 7};
 byte colPins[3] = {6, 4, 8};
@@ -39,6 +42,7 @@ char keys[4][3] = {
 unsigned long lastActiveTime;
 bool dialtoneActive = false;
 bool startDialtone = false;
+bool awake = true;
 
 HardwareSerial *fonaSerial = &Serial;
 Adafruit_FONA fona = Adafruit_FONA(GSM_RST);
@@ -78,6 +82,13 @@ void resumeDialtone() {
   dialtoneActive = true;
 }
 
+void clearPhoneNumber() {
+  for ( int j = 0; j < phoneNumberLength; j++) {
+    phoneNumber[j] = 0;
+  }
+  phoneNumberLength = 0;
+}
+
 //////////////////////////////////
 ///// ARDUINO CORE FUNCTIONS /////
 //////////////////////////////////
@@ -111,6 +122,9 @@ void setup() {
 }
 
 void loop() {
+  if ( awake ) {
+    
+    // Handle Incoming Call
     if ( !digitalRead(GSM_RING) ) {
       while ( digitalRead(BUT_ANS) & !digitalRead(GSM_RING) ) delay(10); // Wait for answer button or end ring/call
       if ( !digitalRead(BUT_ANS) ) {
@@ -120,12 +134,13 @@ void loop() {
       }
     }
 
+    // Begin dialtone if necessary
     if ( startDialtone ) {
       resumeDialtone();
       startDialtone = false;
     }
 
-  // Read from keypad
+    // Read keypad input
     char key = keypad.getKey();
     if ( key != NO_KEY ) {
       phoneNumber[ phoneNumberLength ] = key;
@@ -145,13 +160,9 @@ void loop() {
       }
     }
 
-
     // Clear stored phone number on press of end button
     if ( !digitalRead(BUT_END) ) {
-    for ( int j = 0; j < phoneNumberLength; j++) {
-      phoneNumber[j] = 0;
-    }
-    phoneNumberLength = 0;
+      clearPhoneNumber();
       resumeDialtone();
     }
 
@@ -163,9 +174,14 @@ void loop() {
     } else {
       digitalWrite( LED_BAT_LOW, LOW );
     }
+  } else {
+    // sleeping
+    delay(100);
+  }
 }
 
 
 
 
 
+