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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries LLC
*
* 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_SUPERVISOR_SHARED_EXTERNAL_FLASH_DEVICE_H
#define MICROPY_INCLUDED_SUPERVISOR_SHARED_EXTERNAL_FLASH_DEVICE_H
#include <stdbool.h>
#include <stdint.h>
typedef struct {
uint32_t total_size;
uint16_t start_up_time_us;
// Three response bytes to 0x9f JEDEC ID command.
uint8_t manufacturer_id;
uint8_t memory_type;
uint8_t capacity;
// Max clock speed for all operations and the fastest read mode.
uint8_t max_clock_speed_mhz;
// Bitmask for Quad Enable bit if present. 0x00 otherwise. This is for the highest byte in the
// status register.
uint8_t quad_enable_bit_mask;
bool has_sector_protection : 1;
// Supports the 0x0b fast read command with 8 dummy cycles.
bool supports_fast_read : 1;
// Supports the fast read, quad output command 0x6b with 8 dummy cycles.
bool supports_qspi : 1;
// Supports the quad input page program command 0x32. This is known as 1-1-4 because it only
// uses all four lines for data.
bool supports_qspi_writes : 1;
// Requires a separate command 0x31 to write to the second byte of the status register.
// Otherwise two byte are written via 0x01.
bool write_status_register_split : 1;
// True when the status register is a single byte. This implies the Quad Enable bit is in the
// first byte and the Read Status Register 2 command (0x35) is unsupported.
bool single_status_byte : 1;
// Does not support using a ready bit within the status register
bool no_ready_bit : 1;
// Does not support the erase command (0x20)
bool no_erase_cmd : 1;
// Device does not have a reset command
bool no_reset_cmd : 1;
} external_flash_device;
#endif // MICROPY_INCLUDED_SUPERVISOR_SHARED_EXTERNAL_FLASH_DEVICE_H
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