esp-idf/components/spi_flash/private_include/spi_flash_defs.h

// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

/* SPI commands (actual on-wire commands not SPI controller bitmasks)
   Suitable for use with spi_flash_hal_common_command static function.
*/
#define CMD_RDID       0x9F
#define CMD_WRSR       0x01
#define  SR_WIP         (1<<0) /* Status register write-in-progress bit */
#define  SR_WREN        (1<<1) /* Status register write enable bit */
#define CMD_WRSR2      0x31 /* Not all SPI flash uses this command */
#define CMD_WREN       0x06
#define CMD_WRDI       0x04
#define CMD_RDSR       0x05
#define CMD_RDSR2      0x35 /* Not all SPI flash uses this command */

#define CMD_FASTRD_QIO      0xEB
#define CMD_FASTRD_QIO_4B   0xEC
#define CMD_FASTRD_QUAD     0x6B
#define CMD_FASTRD_QUAD_4B  0x6C
#define CMD_FASTRD_DIO      0xBB
#define CMD_FASTRD_DIO_4B   0xBC
#define CMD_FASTRD_DUAL     0x3B
#define CMD_FASTRD_DUAL_4B  0x3C
#define CMD_FASTRD          0x0B
#define CMD_FASTRD_4B       0x0C
#define CMD_READ            0x03 /* Speed limited */
#define CMD_READ_4B         0x13 /* Speed limited */

#define CMD_CHIP_ERASE          0xC7
#define CMD_SECTOR_ERASE        0x20
#define CMD_SECTOR_ERASE_4B     0x21
#define CMD_LARGE_BLOCK_ERASE   0xD8 /* 64KB block erase command */
#define CMD_LARGE_BLOCK_ERASE_4B 0xDC /* 64KB block erase command */
#define CMD_PROGRAM_PAGE        0x02
#define CMD_PROGRAM_PAGE_4B     0x12

#define CMD_RST_EN      0x66
#define CMD_RST_DEV     0x99

#define SPI_FLASH_DIO_ADDR_BITLEN       24
#define SPI_FLASH_DIO_DUMMY_BITLEN      4
#define SPI_FLASH_QIO_ADDR_BITLEN       24
#define SPI_FLASH_QIO_DUMMY_BITLEN      6
#define SPI_FLASH_QOUT_ADDR_BITLEN      24
#define SPI_FLASH_QOUT_DUMMY_BITLEN     8
#define SPI_FLASH_DOUT_ADDR_BITLEN      24
#define SPI_FLASH_DOUT_DUMMY_BITLEN     8
#define SPI_FLASH_FASTRD_ADDR_BITLEN    24
#define SPI_FLASH_FASTRD_DUMMY_BITLEN   8
#define SPI_FLASH_SLOWRD_ADDR_BITLEN    24
#define SPI_FLASH_SLOWRD_DUMMY_BITLEN   0