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humanoides
tools
stm32_libraries
Commits
836abaf6
Commit
836abaf6
authored
2 years ago
by
Sergi Hernandez
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Added the EEPROM emmulation module to the F3 family.
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memory/include/f3/eeprom.h
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memory/include/f3/eeprom.h
memory/src/f3/eeprom.c
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memory/src/f3/eeprom.c
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memory/include/f3/eeprom.h
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/**
******************************************************************************
* @file EEPROM_Emulation/inc/eeprom.h
* @author MCD Application Team
* @version V1.0.0
* @date 17-December-2014
* @brief This file contains all the functions prototypes for the EEPROM
* emulation firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions 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 its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __EEPROM_H
#define __EEPROM_H
#ifdef __cplusplus
extern
"C"
{
#endif
#include
"stm32f3xx.h"
/* Includes ------------------------------------------------------------------*/
#ifndef EEPROM_PAGE_SIZE
#error "Please, specify the size of a FLASH page with the EEPROM_PAGE_SIZE macro"
#endif
#ifndef EEPROM_START_ADDRESS
#error "Please, specify the start of the EEPROM FLASH memory with the EEPROM_START_ADDRESS macro"
#endif
/* Exported constants --------------------------------------------------------*/
/* 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 + (EEPROM_PAGE_SIZE - 1)))
#define PAGE0_ID PAGE0_BASE_ADDRESS
#define PAGE1_BASE_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + EEPROM_PAGE_SIZE))
#define PAGE1_END_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + 2*EEPROM_PAGE_SIZE - 1))
#define PAGE1_ID PAGE1_BASE_ADDRESS
/* Used Flash pages for EEPROM emulation */
#define PAGE0 ((uint16_t)0x0000)
#define PAGE1 ((uint16_t)0x0001)
/* 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)
/* Exported types ------------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
uint16_t
EE_Init
(
void
);
void
EE_update_num_variables
(
uint32_t
num
);
uint16_t
EE_ReadVariable
(
uint16_t
VirtAddress
,
uint16_t
*
Data
);
uint16_t
EE_WriteVariable
(
uint16_t
VirtAddress
,
uint16_t
Data
);
#ifdef __cplusplus
}
#endif
#endif
/* __EEPROM_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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memory/src/f3/eeprom.c
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