4621cd54fb
The old way mapped each byte of nvm onto a distinct nvs key, but this allowed storage of only a very small number of bytes out of the theoretical capacity. Reworked like this, about half of the nvs capacity can be used for nvm, so you're guaranteed the ability to store 9kB this way.
54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Glenn Ruben Bakke
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* Copyright (c) 2019 Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* 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,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef ESP32S2_MPCONFIGPORT_H__
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#define ESP32S2_MPCONFIGPORT_H__
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#define MICROPY_NLR_THUMB (0)
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#define MICROPY_USE_INTERNAL_PRINTF (0)
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#define MICROPY_PY_SYS_PLATFORM "Espressif ESP32-S2"
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#include "py/circuitpy_mpconfig.h"
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#define MICROPY_PORT_ROOT_POINTERS \
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CIRCUITPY_COMMON_ROOT_POINTERS
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#define MICROPY_NLR_SETJMP (1)
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#define CIRCUITPY_DEFAULT_STACK_SIZE 0x6000
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#define CIRCUITPY_INTERNAL_NVM_START_ADDR (0x9000)
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// 20kB is statically allocated to nvs, but when overwriting an existing
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// item, it's temporarily necessary to store both the old and new copies.
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// Additionally, there is some overhad for the names and values of items
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// in nvs. So, set the size at 9/20ths of the allocated space
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#ifndef CIRCUITPY_INTERNAL_NVM_SIZE
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#define CIRCUITPY_INTERNAL_NVM_SIZE (9 * 1024)
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#endif
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#endif // __INCLUDED_ESP32S2_MPCONFIGPORT_H
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