113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/*
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* © 2021 Neil McKechnie
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* © 2021 Fred Decker
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* © 2020-2022 Harald Barth
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* © 2020-2021 Chris Harlow
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* © 2013-2016 Gregg E. Berman
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* All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "defines.h"
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#ifndef DISABLE_EEPROM
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#include "EEStore.h"
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#include "DIAG.h"
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#include "Outputs.h"
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#include "Sensors.h"
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#include "Turnouts.h"
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#if defined(ARDUINO_ARCH_SAMC)
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ExternalEEPROM EEPROM;
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#endif
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void EEStore::init() {
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#if defined(ARDUINO_ARCH_SAMC)
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EEPROM.begin(0x50); // Address for Microchip 24-series EEPROM with all three
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// A pins grounded (0b1010000 = 0x50)
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#endif
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eeStore = (EEStore *)calloc(1, sizeof(EEStore));
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EEPROM.get(0, eeStore->data); // get eeStore data
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// check to see that eeStore contains valid DCC++ ID
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if (strncmp(eeStore->data.id, EESTORE_ID, sizeof(EESTORE_ID)) != 0) {
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// if not, create blank eeStore structure (no
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// turnouts, no sensors) and save it back to EEPROM
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strncpy(eeStore->data.id, EESTORE_ID, sizeof(EESTORE_ID)+0);
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eeStore->data.nTurnouts = 0;
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eeStore->data.nSensors = 0;
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eeStore->data.nOutputs = 0;
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EEPROM.put(0, eeStore->data);
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}
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reset(); // set memory pointer to first free EEPROM space
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Turnout::load(); // load turnout definitions
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Sensor::load(); // load sensor definitions
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Output::load(); // load output definitions
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}
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///////////////////////////////////////////////////////////////////////////////
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void EEStore::clear() {
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sprintf(eeStore->data.id,
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EESTORE_ID); // create blank eeStore structure (no turnouts, no
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// sensors) and save it back to EEPROM
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eeStore->data.nTurnouts = 0;
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eeStore->data.nSensors = 0;
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eeStore->data.nOutputs = 0;
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EEPROM.put(0, eeStore->data);
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}
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///////////////////////////////////////////////////////////////////////////////
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void EEStore::store() {
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reset();
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Turnout::store();
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Sensor::store();
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Output::store();
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EEPROM.put(0, eeStore->data);
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DIAG(F("EEPROM used: %d/%d bytes"), EEStore::pointer(), EEPROM.length());
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}
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///////////////////////////////////////////////////////////////////////////////
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void EEStore::advance(int n) { eeAddress += n; }
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///////////////////////////////////////////////////////////////////////////////
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void EEStore::reset() { eeAddress = sizeof(EEStore); }
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///////////////////////////////////////////////////////////////////////////////
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int EEStore::pointer() { return (eeAddress); }
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///////////////////////////////////////////////////////////////////////////////
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void EEStore::dump(int num) {
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byte b = 0;
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DIAG(F("Addr 0x char"));
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for (int n = 0; n < num; n++) {
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EEPROM.get(n, b);
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DIAG(F("%d %x %c"), n, b, isprint(b) ? b : ' ');
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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EEStore *EEStore::eeStore = NULL;
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int EEStore::eeAddress = 0;
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#endif
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