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16 mjames 1 
/**
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  ******************************************************************************
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  * @file    EEPROM_Emulation/inc/eeprom.h
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  * @author  MCD Application Team
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  * @version V3.1.0
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  * @date    07/27/2009
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  * @brief   This file contains all the functions prototypes for the EEPROM
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  *          emulation firmware library.
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  ******************************************************************************
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  * @copy
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  *
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  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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  *
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  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
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  */
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __EEPROM_H
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#define __EEPROM_H
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/* Includes ------------------------------------------------------------------*/
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/* #include "stm32f10x.h" */
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#define HAL_FLASH_MODULE_ENABLED
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#define STM32F10X_MD
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#include "stm32f1xx_hal_flash.h"
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/* Exported constants --------------------------------------------------------*/
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/* Define the STM32F10Xxx Flash page size depending on the used STM32 device */
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#if defined (STM32F10X_LD) || defined (STM32F10X_MD)
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  #define PAGE_SIZE  (uint16_t)0x400  /* Page size = 1KByte */
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#elif defined (STM32F10X_HD) || defined (STM32F10X_CL)
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  #define PAGE_SIZE  (uint16_t)0x800  /* Page size = 2KByte */
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#endif
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typedef uint8_t FlashPage_t[PAGE_SIZE];
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extern FlashPage_t FlashPage[2];
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typedef uint16_t FLASH_Status;
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/* Pages 0 and 1 base and end addresses */
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#define PAGE0_BASE_ADDRESS      ((uint32_t)(&FlashPage[0]))
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#define PAGE0_END_ADDRESS       ((uint32_t)(&FlashPage[0] + (PAGE_SIZE - 1)))
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#define PAGE1_BASE_ADDRESS      ((uint32_t)(&FlashPage[1]))
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#define PAGE1_END_ADDRESS       ((uint32_t)(&FlashPage[1] +(PAGE_SIZE - 1)))
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/* Used Flash pages for EEPROM emulation */
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#define PAGE0                   ((uint16_t)0x0000)
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#define PAGE1                   ((uint16_t)0x0001)
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/* No valid page define */
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#define NO_VALID_PAGE           ((uint16_t)0x00AB)
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/* Page status definitions */
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#define ERASED                  ((uint16_t)0xFFFF)     /* PAGE is empty */
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#define RECEIVE_DATA            ((uint16_t)0xEEEE)     /* PAGE is marked to receive data */
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#define VALID_PAGE              ((uint16_t)0x0000)     /* PAGE containing valid data */
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/* Valid pages in read and write defines */
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#define READ_FROM_VALID_PAGE    ((uint8_t)0x00)
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#define WRITE_IN_VALID_PAGE     ((uint8_t)0x01)
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/* Page full define */
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#define PAGE_FULL               ((uint8_t)0x80)
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/* Variables' number */
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#define NumbOfVar               ((uint8_t)0x02)
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/* Exported types ------------------------------------------------------------*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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uint16_t EE_Init(void);
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uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data);
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uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data);
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#endif /* __EEPROM_H */
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/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/