53 lines
2.3 KiB
C
53 lines
2.3 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017 Scott Shawcroft 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_ATMEL_SAMD_BOARD_FLASH_AT25DF081A_H__
|
|
#define __MICROPY_INCLUDED_ATMEL_SAMD_BOARD_FLASH_AT25DF081A_H__
|
|
|
|
// Settings for the Adesto Tech AT25DF081A 1MiB SPI flash. Its on the SAMD21
|
|
// Xplained board.
|
|
// Datasheet: https://www.adestotech.com/wp-content/uploads/doc8715.pdf
|
|
|
|
// The total flash size in bytes.
|
|
#define SPI_FLASH_TOTAL_SIZE (1 << 20) // 2 MiB
|
|
|
|
// The size of the smallest erase unit thats erased with command 0x20.
|
|
#define SPI_FLASH_ERASE_SIZE (1 << 12) // 4 KiB
|
|
|
|
// The size of a page that is programmed with page program command 0x02.
|
|
#define SPI_FLASH_PAGE_SIZE (256) // 256 bytes
|
|
|
|
// These are the first three response bytes to the JEDEC ID command 0x9f that is
|
|
// used to confirm we're talking to the flash we expect. The data sheet calls
|
|
// them something else so we just match it byte for byte.
|
|
#define SPI_FLASH_JEDEC_MANUFACTURER 0x1F
|
|
#define SPI_FLASH_JEDEC_MEMORY_TYPE 0x45
|
|
#define SPI_FLASH_JEDEC_CAPACITY 0x01
|
|
|
|
#define SPI_FLASH_SECTOR_PROTECTION
|
|
|
|
#endif // __MICROPY_INCLUDED_ATMEL_SAMD_BOARD_FLASH_AT25DF081A_H__
|