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CommandStation-EX/EEStore.cpp

108 lines
3.4 KiB
C++

/*
* © 2013-2016 Gregg E. Berman
* © 2020, Chris Harlow. All rights reserved.
* © 2020, Harald Barth.
*
* This file is part of Asbelos DCC API
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* It is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
#include "EEStore.h"
#include "Turnouts.h"
#include "Sensors.h"
#include "Outputs.h"
#include "DIAG.h"
#if defined(ARDUINO_ARCH_SAMD)
ExternalEEPROM EEPROM;
#endif
void EEStore::init(){
#if defined(ARDUINO_ARCH_SAMD)
EEPROM.begin(0x50); // Address for Microchip 24-series EEPROM with all three A pins grounded (0b1010000 = 0x50)
#endif
eeStore=(EEStore *)calloc(1,sizeof(EEStore));
EEPROM.get(0,eeStore->data); // get eeStore data
if(strncmp(eeStore->data.id,EESTORE_ID,sizeof(EESTORE_ID))!=0){ // check to see that eeStore contains valid DCC++ ID
sprintf(eeStore->data.id,EESTORE_ID); // if not, create blank eeStore structure (no turnouts, no sensors) and save it back to EEPROM
eeStore->data.nTurnouts=0;
eeStore->data.nSensors=0;
eeStore->data.nOutputs=0;
EEPROM.put(0,eeStore->data);
}
reset(); // set memory pointer to first free EEPROM space
Turnout::load(); // load turnout definitions
Sensor::load(); // load sensor definitions
Output::load(); // load output definitions
}
///////////////////////////////////////////////////////////////////////////////
void EEStore::clear(){
sprintf(eeStore->data.id,EESTORE_ID); // create blank eeStore structure (no turnouts, no sensors) and save it back to EEPROM
eeStore->data.nTurnouts=0;
eeStore->data.nSensors=0;
eeStore->data.nOutputs=0;
EEPROM.put(0,eeStore->data);
}
///////////////////////////////////////////////////////////////////////////////
void EEStore::store(){
reset();
Turnout::store();
Sensor::store();
Output::store();
EEPROM.put(0,eeStore->data);
DIAG(F("EEPROM used: %d bytes"), EEStore::pointer());
}
///////////////////////////////////////////////////////////////////////////////
void EEStore::advance(int n){
eeAddress+=n;
}
///////////////////////////////////////////////////////////////////////////////
void EEStore::reset(){
eeAddress=sizeof(EEStore);
}
///////////////////////////////////////////////////////////////////////////////
int EEStore::pointer(){
return(eeAddress);
}
///////////////////////////////////////////////////////////////////////////////
void EEStore::dump(int num) {
byte b;
DIAG(F("Addr 0x char"));
for (int n=0 ; n<num; n++) {
EEPROM.get(n, b);
DIAG(F("%d %x %c"),n,b,isprint(b) ? b : ' ');
}
}
///////////////////////////////////////////////////////////////////////////////
EEStore *EEStore::eeStore=NULL;
int EEStore::eeAddress=0;