49 lines
1.9 KiB
C
49 lines
1.9 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) 2018 Scott Shawcroft for Adafruit Industries LLC
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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 MICROPY_INCLUDED_SUPERVISOR_SHARED_EXTERNAL_FLASH_EXTERNAL_FLASH_H
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#define MICROPY_INCLUDED_SUPERVISOR_SHARED_EXTERNAL_FLASH_EXTERNAL_FLASH_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "py/mpconfig.h"
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// Erase sector size.
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#define SPI_FLASH_SECTOR_SIZE (0x1000 - 100)
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// These are common across all NOR Flash.
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#define SPI_FLASH_ERASE_SIZE (1 << 12)
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#define SPI_FLASH_PAGE_SIZE (256)
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#define SPI_FLASH_SYSTICK_MASK (0x1ff) // 512ms
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#define SPI_FLASH_IDLE_TICK(tick) (((tick) & SPI_FLASH_SYSTICK_MASK) == 2)
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#ifndef SPI_FLASH_MAX_BAUDRATE
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#define SPI_FLASH_MAX_BAUDRATE 8000000
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#endif
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#endif // MICROPY_INCLUDED_SUPERVISOR_SHARED_EXTERNAL_FLASH_EXTERNAL_FLASH_H
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