make it possible to disable EEPROM code to save flash space

DCC.cpp

@@ -20,7 +20,9 @@
 #include "DIAG.h"
 #include "DCC.h"
 #include "DCCWaveform.h"
+#ifndef DISABLE_EEPROM
 #include "EEStore.h"
+#endif
 #include "GITHUB_SHA.h"
 #include "version.h"
 #include "FSH.h"
@@ -56,9 +58,11 @@ void DCC::begin(const FSH * motorShieldName, MotorDriver * mainDriver, MotorDriv
   // Initialise HAL layer before reading EEprom.
   IODevice::begin();
 
+#ifndef DISABLE_EEPROM
   // Load stuff from EEprom
   (void)EEPROM; // tell compiler not to warn this is unused
   EEStore::init();
+#endif
 
   DCCWaveform::begin(mainDriver,progDriver); 
 }

DCCEXParser.cpp

@@ -56,7 +56,9 @@ const int16_t HASH_KEYWORD_ON = 2657;
 const int16_t HASH_KEYWORD_DCC = 6436;
 const int16_t HASH_KEYWORD_SLOW = -17209;
 const int16_t HASH_KEYWORD_PROGBOOST = -6353;
+#ifndef DISABLE_EEPROM
 const int16_t HASH_KEYWORD_EEPROM = -7168;
+#endif
 const int16_t HASH_KEYWORD_LIMIT = 27413;
 const int16_t HASH_KEYWORD_MAX = 16244;
 const int16_t HASH_KEYWORD_MIN = 15978;
@@ -278,7 +280,9 @@ void DCCEXParser::parse(const FSH * cmd) {
 
 void DCCEXParser::parse(Print *stream, byte *com, RingStream * ringStream)
 {
+#ifndef DISABLE_EEPROM
     (void)EEPROM; // tell compiler not to warn this is unused
+#endif
     if (Diag::CMD)
         DIAG(F("PARSING:%s"), com);
     int16_t p[MAX_COMMAND_PARAMS];
@@ -540,6 +544,7 @@ void DCCEXParser::parse(Print *stream, byte *com, RingStream * ringStream)
         // TODO Send stats of  speed reminders table
         return;       
 
+#ifndef DISABLE_EEPROM
     case 'E': // STORE EPROM <E>
         EEStore::store();
         StringFormatter::send(stream, F("<e %d %d %d>\n"), EEStore::eeStore->data.nTurnouts, EEStore::eeStore->data.nSensors, EEStore::eeStore->data.nOutputs);
@@ -549,7 +554,7 @@ void DCCEXParser::parse(Print *stream, byte *com, RingStream * ringStream)
         EEStore::clear();
         StringFormatter::send(stream, F("<O>\n"));
         return;
-
+#endif
     case ' ': // < >
         StringFormatter::send(stream, F("\n"));
         return;
@@ -865,10 +870,12 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
           break; // and <X> if we didnt restart 
         }
 
+#ifndef DISABLE_EEPROM
     case HASH_KEYWORD_EEPROM: // <D EEPROM NumEntries>
 	if (params >= 2)
 	    EEStore::dump(p[1]);
 	return true;
+#endif
 
     case HASH_KEYWORD_SPEED28:
         DCC::setGlobalSpeedsteps(28);

EEStore.cpp

@@ -18,6 +18,9 @@
  *  You should have received a copy of the GNU General Public License
  *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
  */
+
+#include "config.h"
+#ifndef DISABLE_EEPROM
 #include "EEStore.h"
 
 #include "DIAG.h"
@@ -103,3 +106,4 @@ void EEStore::dump(int num) {
 
 EEStore *EEStore::eeStore = NULL;
 int EEStore::eeAddress = 0;
+#endif

EEStore.h

@@ -17,6 +17,7 @@
  *  You should have received a copy of the GNU General Public License
  *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
  */
+#ifndef DISABLE_EEPROM
 #ifndef EEStore_h
 #define EEStore_h
 
@@ -52,3 +53,4 @@ struct EEStore{
 };
 
 #endif
+#endif // DISABLE_EEPROM

Outputs.cpp

@@ -82,7 +82,9 @@ the state of any outputs being monitored or controlled by a separate interface o
 **********************************************************************/
 
 #include "Outputs.h"
+#ifndef DISABLE_EEPROM
 #include "EEStore.h"
+#endif
 #include "StringFormatter.h"
 #include "IODevice.h"
 
@@ -102,10 +104,11 @@ void  Output::activate(uint16_t s){
   data.active = s;                     // if s>0, set status to active, else inactive
   // set state of output pin to HIGH or LOW depending on whether bit zero of iFlag is set to 0 (ACTIVE=HIGH) or 1 (ACTIVE=LOW)
   IODevice::write(data.pin, s ^ data.invert);  
-
+#ifndef DISABLE_EEPROM
   // Update EEPROM if output has been stored.    
   if(EEStore::eeStore->data.nOutputs > 0 && num > 0)
     EEPROM.put(num, data.oStatus);
+#endif
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -141,7 +144,7 @@ bool Output::remove(uint16_t n){
 
 ///////////////////////////////////////////////////////////////////////////////
 // Static function to load configuration and state of all Outputs from EEPROM
-
+#ifndef DISABLE_EEPROM
 void Output::load(){
   struct OutputData data;
   Output *tt;
@@ -176,6 +179,7 @@ void Output::store(){
   }
 
 }
+#endif
 
 ///////////////////////////////////////////////////////////////////////////////
 // Static function to create an Output object

Outputs.h

@@ -48,8 +48,10 @@ public:
   bool isActive();
   static Output* get(uint16_t);
   static bool remove(uint16_t);
+#ifndef DISABLE_EEPROM
   static void load();
   static void store();
+#endif
   static Output *create(uint16_t, VPIN, int, int=0);
   static Output *firstOutput;
   struct OutputData data;

Sensors.cpp

@@ -68,7 +68,9 @@ decide to ignore the <q ID> return and only react to <Q ID> triggers.
 
 #include "StringFormatter.h"
 #include "Sensors.h"
+#ifndef DISABLE_EEPROM
 #include "EEStore.h"
+#endif
 #include "IODevice.h"
 
 
@@ -275,7 +277,7 @@ bool Sensor::remove(int n){
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-
+#ifndef DISABLE_EEPROM
 void Sensor::load(){
   struct SensorData data;
   Sensor *tt;
@@ -303,7 +305,7 @@ void Sensor::store(){
     EEStore::eeStore->data.nSensors++;
   }
 }
-
+#endif
 ///////////////////////////////////////////////////////////////////////////////
 
 Sensor *Sensor::firstSensor=NULL;

Sensors.h

@@ -68,8 +68,10 @@ public:
   Sensor *nextSensor;
 
   void setState(int state);
+#ifndef DISABLE_EEPROM
   static void load();
   static void store();
+#endif
   static Sensor *create(int id, VPIN vpin, int pullUp);
   static Sensor* get(int id);  
   static bool remove(int id);  

Turnouts.cpp

@@ -22,7 +22,9 @@
 
 
 #include "defines.h"  // includes config.h
+#ifndef DISABLE_EEPROM
 #include "EEStore.h"
+#endif
 #include "StringFormatter.h"
 #include "RMFT2.h"
 #include "Turnouts.h"
@@ -142,10 +144,12 @@
     if (ok) {
       turnoutlistHash++;  // let withrottle know something changed
 
+#ifndef DISABLE_EEPROM
       // Write byte containing new closed/thrown state to EEPROM if required.  Note that eepromAddress
       // is always zero for LCN turnouts.
       if (EEStore::eeStore->data.nTurnouts > 0 && tt->_eepromAddress > 0) 
         EEPROM.put(tt->_eepromAddress, tt->_turnoutData.flags);
+#endif
 
     #if defined(RMFT_ACTIVE)
       RMFT2::turnoutEvent(id, closeFlag);
@@ -159,6 +163,7 @@
     return ok;
   }
 
+#ifndef DISABLE_EEPROM
   // Load all turnout objects
   /* static */ void Turnout::load() {
     for (uint16_t i=0; i<EEStore::eeStore->data.nTurnouts; i++) {
@@ -212,7 +217,7 @@
 #endif
     return tt;
   }
-
+#endif
   // Display, on the specified stream, the current state of the turnout (1=thrown or 0=closed).
   /* static */ void Turnout::printState(uint16_t id, Print *stream) {
     Turnout *tt = get(id);
@@ -277,6 +282,7 @@
 
   // Load a Servo turnout definition from EEPROM.  The common Turnout data has already been read at this point.
   Turnout *ServoTurnout::load(struct TurnoutData *turnoutData) {
+#ifndef DISABLE_EEPROM
     ServoTurnoutData servoTurnoutData;
     // Read class-specific data from EEPROM
     EEPROM.get(EEStore::pointer(), servoTurnoutData);
@@ -286,6 +292,10 @@
     Turnout *tt = ServoTurnout::create(turnoutData->id, servoTurnoutData.vpin, servoTurnoutData.thrownPosition,
       servoTurnoutData.closedPosition, servoTurnoutData.profile, turnoutData->closed);
     return tt;
+#else
+    (void)turnoutData;
+    return NULL;
+#endif
   }
 
   // For DCC++ classic compatibility, state reported to JMRI is 1 for thrown and 0 for closed
@@ -308,6 +318,7 @@
   }
 
   void ServoTurnout::save() {
+#ifndef DISABLE_EEPROM
     // Write turnout definition and current position to EEPROM
     // First write common servo data, then
     // write the servo-specific data
@@ -315,6 +326,7 @@
     EEStore::advance(sizeof(_turnoutData));
     EEPROM.put(EEStore::pointer(), _servoTurnoutData);
     EEStore::advance(sizeof(_servoTurnoutData));
+#endif
   }
 
 /*************************************************************************************
@@ -367,6 +379,7 @@
 
   // Load a DCC turnout definition from EEPROM.  The common Turnout data has already been read at this point.
   /* static */ Turnout *DCCTurnout::load(struct TurnoutData *turnoutData) {
+#ifndef DISABLE_EEPROM
     DCCTurnoutData dccTurnoutData;
     // Read class-specific data from EEPROM
     EEPROM.get(EEStore::pointer(), dccTurnoutData);
@@ -376,6 +389,10 @@
     DCCTurnout *tt = new DCCTurnout(turnoutData->id, dccTurnoutData.address, dccTurnoutData.subAddress);
 
     return tt;
+#else
+    (void)turnoutData;
+    return NULL;
+#endif
   }
 
   void DCCTurnout::print(Print *stream) {
@@ -396,6 +413,7 @@
   }
 
   void DCCTurnout::save() {
+#ifndef DISABLE_EEPROM
     // Write turnout definition and current position to EEPROM
     // First write common servo data, then
     // write the servo-specific data
@@ -403,6 +421,7 @@
     EEStore::advance(sizeof(_turnoutData));
     EEPROM.put(EEStore::pointer(), _dccTurnoutData);
     EEStore::advance(sizeof(_dccTurnoutData));
+#endif
   }
 
 
@@ -441,6 +460,7 @@
 
   // Load a VPIN turnout definition from EEPROM.  The common Turnout data has already been read at this point.
   /* static */ Turnout *VpinTurnout::load(struct TurnoutData *turnoutData) {
+#ifndef DISABLE_EEPROM
     VpinTurnoutData vpinTurnoutData;
     // Read class-specific data from EEPROM
     EEPROM.get(EEStore::pointer(), vpinTurnoutData);
@@ -450,6 +470,10 @@
     VpinTurnout *tt = new VpinTurnout(turnoutData->id, vpinTurnoutData.vpin, turnoutData->closed);
 
     return tt;
+#else
+    (void)turnoutData;
+    return NULL;
+#endif
   }
 
   // Report 1 for thrown, 0 for closed.
@@ -465,6 +489,7 @@
   }
 
   void VpinTurnout::save() {
+#ifndef DISABLE_EEPROM
     // Write turnout definition and current position to EEPROM
     // First write common servo data, then
     // write the servo-specific data
@@ -472,6 +497,7 @@
     EEStore::advance(sizeof(_turnoutData));
     EEPROM.put(EEStore::pointer(), _vpinTurnoutData);
     EEStore::advance(sizeof(_vpinTurnoutData));
+#endif
   }
 
 

Turnouts.h

@@ -155,13 +155,14 @@ public:
 
   inline static Turnout *first() { return _firstTurnout; }
 
+#ifndef DISABLE_EEPROM
   // Load all turnout definitions.
   static void load();
   // Load one turnout definition
   static Turnout *loadTurnout();
   // Save all turnout definitions
   static void store();
-
+#endif
   static void printAll(Print *stream) {
     for (Turnout *tt = _firstTurnout; tt != 0; tt = tt->_nextTurnout)
       tt->printState(stream);

defines.h

@@ -65,7 +65,7 @@
 //
 #define WIFI_SERIAL_LINK_SPEED 115200
 
-#if __has_include ( "myAutomation.h") && defined(BIG_RAM)
+#if __has_include ( "myAutomation.h") && (defined(BIG_RAM) || defined(DISABLE_EEPROM))
   #define RMFT_ACTIVE
 #endif