123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114 |
- /******************************************************************************
- * @file eeprom_emul.h
- * @author MCD Application Team
- * @version V1.2.6
- * @date 04-November-2016
- * @brief This file contains all the functions prototypes for the EEPROM
- * emulation firmware library.
- ******************************************************************************
- * @attention
- *
- * Copyright © 2016 STMicroelectronics International N.V.
- * All rights reserved.</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions are met:
- *
- * 1. Redistribution of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of other
- * contributors to this software may be used to endorse or promote products
- * derived from this software without specific written permission.
- * 4. This software, including modifications and/or derivative works of this
- * software, must execute solely and exclusively on microcontroller or
- * microprocessor devices manufactured by or for STMicroelectronics.
- * 5. Redistribution and use of this software other than as permitted under
- * this license is void and will automatically terminate your rights under
- * this license.
- *
- * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
- * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
- * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************/
- #pragma once
-
- // ------------------------
- // Includes
- // ------------------------
-
- #include "../../inc/MarlinConfig.h"
-
- /* Exported constants --------------------------------------------------------*/
- /* EEPROM emulation firmware error codes */
- #define EE_OK uint32_t(HAL_OK)
- #define EE_ERROR uint32_t(HAL_ERROR)
- #define EE_BUSY uint32_t(HAL_BUSY)
- #define EE_TIMEOUT uint32_t(HAL_TIMEOUT)
-
- /* Define the size of the sectors to be used */
- #define PAGE_SIZE uint32_t(0x4000) /* Page size = 16KByte */
-
- /* Device voltage range supposed to be [2.7V to 3.6V], the operation will
- be done by word */
- #define VOLTAGE_RANGE uint8_t(VOLTAGE_RANGE_3)
-
- /* EEPROM start address in Flash */
- #ifdef STM32F7
- #define EEPROM_START_ADDRESS uint32_t(0x08100000) /* EEPROM emulation start address:
- from sector2 : after 16KByte of used
- Flash memory */
- #else
- #define EEPROM_START_ADDRESS uint32_t(0x08078000) /* EEPROM emulation start address:
- after 480KByte of used Flash memory */
- #endif
-
- /* Pages 0 and 1 base and end addresses */
- #define PAGE0_BASE_ADDRESS uint32_t(EEPROM_START_ADDRESS + 0x0000)
- #define PAGE0_END_ADDRESS uint32_t(EEPROM_START_ADDRESS + PAGE_SIZE - 1)
- #define PAGE0_ID FLASH_SECTOR_1
-
- #define PAGE1_BASE_ADDRESS uint32_t(EEPROM_START_ADDRESS + 0x4000)
- #define PAGE1_END_ADDRESS uint32_t(EEPROM_START_ADDRESS + 2 * (PAGE_SIZE) - 1)
- #define PAGE1_ID FLASH_SECTOR_2
-
- /* Used Flash pages for EEPROM emulation */
- #define PAGE0 uint16_t(0x0000)
- #define PAGE1 uint16_t(0x0001) /* Page nb between PAGE0_BASE_ADDRESS & PAGE1_BASE_ADDRESS*/
-
- /* No valid page define */
- #define NO_VALID_PAGE uint16_t(0x00AB)
-
- /* Page status definitions */
- #define ERASED uint16_t(0xFFFF) /* Page is empty */
- #define RECEIVE_DATA uint16_t(0xEEEE) /* Page is marked to receive data */
- #define VALID_PAGE uint16_t(0x0000) /* Page containing valid data */
-
- /* Valid pages in read and write defines */
- #define READ_FROM_VALID_PAGE uint8_t(0x00)
- #define WRITE_IN_VALID_PAGE uint8_t(0x01)
-
- /* Page full define */
- #define PAGE_FULL uint8_t(0x80)
-
- /* Variables' number */
- #define NB_OF_VAR uint16_t(4096)
-
- /* Exported functions ------------------------------------------------------- */
- uint16_t EE_Initialize();
- uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data);
- uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data);
-
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|