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53 lines
2.3 KiB
C
Executable File
53 lines
2.3 KiB
C
Executable File
/*
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* persistence.h - persistence code
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* This file is part of the g2code project
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*
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* Copyright (c) 2013 - 2016 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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#ifndef PERSISTENCE_H_ONCE
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#define PERSISTENCE_H_ONCE
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#include "config.h" // needed for nvObj_t definition
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#define NVM_VALUE_LEN 4 // NVM value length (float, fixed length)
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#define NVM_BASE_ADDR 0x0000 // base address of usable NVM
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//**** persistence singleton ****
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typedef struct nvmSingleton {
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uint16_t base_addr; // NVM base address
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uint16_t profile_base; // NVM base address of current profile]
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uint16_t address;
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float tmp_value;
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int8_t byte_array[NVM_VALUE_LEN];
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} nvmSingleton_t;
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//**** persistence function prototypes ****
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void persistence_init(void);
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stat_t read_persistent_value(nvObj_t* nv);
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stat_t write_persistent_value(nvObj_t* nv);
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#endif // End of include guard: PERSISTENCE_H_ONCE
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