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36 lines
1.3 KiB
36 lines
1.3 KiB
6 years ago
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// -*- mode: c++ -*-
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/* Kaleidoscope - Firmware for computer input devices
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* Copyright (C) 2013-2019 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// Load any intrinsic data type or trivial class stored in PROGMEM into an
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// object of that type in memory.
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template <typename _Type>
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void loadFromProgmem(_Type const& pgm_object, _Type& object) {
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memcpy_P(&object, &pgm_object, sizeof(object));
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}
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// Copy an object from PROGMEM to RAM. This works as long as the type has a
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// suitable constructor that does not require arguments (i.e. "trivial classes")
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// or if `_Type` is an intrinsic data type.
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template <typename _Type>
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_Type cloneFromProgmem(_Type const& pgm_object) {
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_Type object;
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memcpy_P(&object, &pgm_object, sizeof(object));
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return object;
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}
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