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103 lines
3.0 KiB
103 lines
3.0 KiB
#ifndef AP_EEProm_H |
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#define AP_EEProm_H |
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/* |
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* AP_EEProm.h |
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* Copyright (C) James Goppert 2010 <james.goppert@gmail.com> |
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* |
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* This file is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* 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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* This file is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* See the 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 along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <AP_Common.h> |
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#include <AP_Vector.h> |
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#include <avr/eeprom.h> |
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#include <avr/pgmspace.h> |
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/// The interface for data entries in the eeprom registry |
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class AP_EEPromEntryI |
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{ |
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public: |
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/// Pure virtual function for setting the data value |
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/// as a float. The function must handle the cast to |
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/// the stored variable types. |
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virtual void setEntry(float val) = 0; |
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/// Pure virtual function for getting data as a float. |
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/// The function must handle the cast from the |
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/// stored variable types. |
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virtual float getEntry() = 0; |
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/// Pure virtual function for getting entry name. |
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virtual const char * getEntryName() = 0; |
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/// Get the id of the variable. |
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virtual uint16_t getEntryId() = 0; |
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/// Get the address of the variable. |
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virtual uint16_t getEntryAddress() = 0; |
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}; |
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///The main EEProm Registry class. |
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class AP_EEPromRegistry : public Vector<AP_EEPromEntryI *> |
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{ |
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public: |
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/// Default constructor |
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AP_EEPromRegistry(uint16_t maxSize) : |
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_newAddress(0), _newId(0), _maxSize(maxSize) |
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{ |
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} |
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/// Add an entry to the registry |
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void add(AP_EEPromEntryI * entry, uint16_t & id, uint16_t & address, size_t size); |
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private: |
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uint16_t _newAddress; /// the address for the next new variable |
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uint16_t _newId; /// the id of the next new variable |
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uint16_t _maxSize; /// the maximum size of the eeprom memory |
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}; |
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/// Global eepromRegistry declaration. |
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extern AP_EEPromRegistry eepromRegistry; |
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/// The EEProm Variable template class. |
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/// This class implements get/set/save/load etc for the |
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/// abstract template type. |
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template <class type> |
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class AP_EEPromVar : public AP_EEPromEntryI, public AP_Var<type> |
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{ |
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public: |
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/// The default constrcutor |
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AP_EEPromVar(type data = 0, const char * name = "", bool sync=false) : |
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AP_Var<type>(data,name,sync) |
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{ |
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eepromRegistry.add(this,_id,_address,sizeof(type)); |
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} |
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virtual void setEntry(float val) { this->setF(val); } |
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virtual float getEntry() { return this->getF(); } |
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virtual const char * getEntryName() { return this->getName(); } |
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/// Get the id of the variable. |
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virtual uint16_t getEntryId() { return _id; } |
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/// Get the address of the variable. |
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virtual uint16_t getEntryAddress() { return _address; } |
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private: |
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uint16_t _id; /// Variable identifier |
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uint16_t _address; /// EEProm address of variable |
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}; |
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#endif
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