circuitpython/ports/stm32f4/supervisor/internal_flash.h
2019-09-29 13:18:43 -04:00

59 lines
2.2 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT 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.
*/
#ifndef MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H
#define MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H
#include <stdbool.h>
#include <stdint.h>
#include "py/mpconfig.h"
#ifdef STM32F411xE
#define STM32_FLASH_SIZE 0x80000 //512KiB
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#endif
#ifdef STM32F412Zx
#define STM32_FLASH_SIZE 0x100000 //1MB
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#endif
#ifdef STM32F405xx
#define STM32_FLASH_SIZE 0x100000 //1MB
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#endif
#define STM32_FLASH_OFFSET 0x8000000 //All STM32 chips map to this flash location
#define INTERNAL_FLASH_FILESYSTEM_START_ADDR 0x08004000
#define INTERNAL_FLASH_FILESYSTEM_NUM_BLOCKS (INTERNAL_FLASH_FILESYSTEM_SIZE / FILESYSTEM_BLOCK_SIZE)
#define INTERNAL_FLASH_SYSTICK_MASK (0x1ff) // 512ms
#define INTERNAL_FLASH_IDLE_TICK(tick) (((tick) & INTERNAL_FLASH_SYSTICK_MASK) == 2)
#endif // MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H