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g2/g2core/persistence.cpp

79 lines
3.2 KiB
C++

/*
* persistence.cpp - persistence functions
* This file is part of the g2core project
*
* Copyright (c) 2013 - 2018 Alden S. Hart Jr.
*
* This file ("the software") is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2 as published by the
* Free Software Foundation. You should have received a copy of the GNU General Public
* License, version 2 along with the software. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, you may use this file as part of a software library without
* restriction. Specifically, if other files instantiate templates or use macros or
* inline functions from this file, or you compile this file and link it with other
* files to produce an executable, this file does not by itself cause the resulting
* executable to be covered by the GNU General Public License. This exception does not
* however invalidate any other reasons why the executable file might be covered by the
* GNU General Public License.
*
* THE SOFTWARE IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL, BUT WITHOUT ANY
* WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
* SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "g2core.h"
#include "persistence.h"
#include "canonical_machine.h"
#include "report.h"
//#include "util.h"
/***********************************************************************************
**** STRUCTURE ALLOCATIONS ********************************************************
***********************************************************************************/
nvmSingleton_t nvm;
/***********************************************************************************
**** GENERIC STATIC FUNCTIONS AND VARIABLES ***************************************
***********************************************************************************/
/***********************************************************************************
**** CODE *************************************************************************
***********************************************************************************/
void persistence_init()
{
return;
}
/*
* read_persistent_value() - return value (as float) by index
*
* It's the responsibility of the caller to make sure the index does not exceed range
*/
stat_t read_persistent_value(nvObj_t *nv)
{
nv->value_flt = 0;
return (STAT_OK);
}
/*
* write_persistent_value() - write to NVM by index, but only if the value has changed
*
* It's the responsibility of the caller to make sure the index does not exceed range
* Note: Removed NAN and INF checks on floats - not needed
*/
stat_t write_persistent_value(nvObj_t *nv)
{
// if (cm->cycle_state != CYCLE_OFF) { // can't write when machine is moving
// return(rpt_exception(STAT_FILE_NOT_OPEN, "write_persistent_value() can't write when machine is in cycle"));
// }
return (STAT_OK);
}