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88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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* persistence.cpp - persistence functions
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* This file is part of the g2core project
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*
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* Copyright (c) 2013 - 2018 Alden S. Hart Jr.
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*
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* This file ("the software") is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2 as published by the
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* Free Software Foundation. You should have received a copy of the GNU General Public
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* License, version 2 along with the software. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, you may use this file as part of a software library without
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* restriction. Specifically, if other files instantiate templates or use macros or
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* inline functions from this file, or you compile this file and link it with other
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* files to produce an executable, this file does not by itself cause the resulting
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* executable to be covered by the GNU General Public License. This exception does not
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* however invalidate any other reasons why the executable file might be covered by the
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* GNU General Public License.
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*
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* THE SOFTWARE IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL, BUT WITHOUT ANY
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* WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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* SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "g2core.h"
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#include "persistence.h"
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/***********************************************************************************
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**** GENERIC STATIC FUNCTIONS AND VARIABLES ***************************************
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***********************************************************************************/
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Persistence *persistence = nullptr;
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void persistence_init()
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{
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if (persistence == nullptr) {
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return;
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}
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persistence->init();
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}
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/*
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* read_persistent_value() - return value (as float) by index
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*
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* It's the responsibility of the caller to make sure the index does not exceed range
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*/
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stat_t read_persistent_value(nvObj_t *nv)
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{
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if (persistence == nullptr) {
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return (STAT_OK); // it worked! ;-)
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}
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return persistence->read(nv);
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}
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/*
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* write_persistent_value() - write to NVM by index, but only if the value has changed
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*
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* It's the responsibility of the caller to make sure the index does not exceed range
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* Note: Removed NAN and INF checks on floats - not needed
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*/
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stat_t write_persistent_value(nvObj_t *nv)
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{
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if (persistence == nullptr) {
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return (STAT_OK); // it worked! ;-)
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}
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return persistence->write(nv);
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}
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/*
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* write_persistent_values_callback()
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*/
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stat_t write_persistent_values_callback()
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{
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if (persistence == nullptr) {
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return (STAT_OK); // it worked! ;-)
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}
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return persistence->periodic();
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}
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