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Eeprom.h
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Eeprom.h
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/**
******************************************************************************
* @file EEPROM_Emulation/inc/eeprom.h
* @author MCD Application Team
* @version V3.1.0
* @date 07/27/2009
* @brief This file contains all the functions prototypes for the EEPROM
* emulation firmware library.
******************************************************************************
* @copy
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __EEPROM_H
#define __EEPROM_H
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/* Exported constants --------------------------------------------------------*/
/* Define the STM32F10Xxx Flash page size depending on the used STM32 device */
#if defined (STM32F10X_LD) || defined (STM32F10X_MD)
#define PAGE_SIZE (uint16_t)0x400 /* Page size = 1KByte */
#elif defined (STM32F10X_HD) || defined (STM32F10X_CL)
#define PAGE_SIZE (uint16_t)0x800 /* Page size = 2KByte */
#endif
/* EEPROM start address in Flash */
#define EEPROM_START_ADDRESS ((uint32_t)0x0800C000) /* EEPROM emulation start address:
after 64KByte of used Flash memory */
/* Pages 0 and 1 base and end addresses */
#define PAGE0_BASE_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + 0x000))
#define PAGE0_END_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + (PAGE_SIZE - 1)))
#define PAGE1_BASE_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + PAGE_SIZE))
#define PAGE1_END_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + (2 * PAGE_SIZE - 1)))
/* 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)
/* Variables' number */
#define NumbOfVar ((uint8_t)20)
/* Virtual address defined by the user: 0xFFFF value is prohibited */
extern uint16_t VirtAddVarTab[NumbOfVar];
// Define virtual EEPROM addresses to be used here
enum {
Addr_TimeBase = 0,
Addr_HPos,
Addr_Vsen,
Addr_Cpl,
Addr_Vpos,
Addr_VPosOfs,
Addr_TrigMode,
Addr_TrigEdge,
Addr_TrigLvl,
Addr_TrigPos,
Addr_RecLen,
Addr_SettingStatus,
};
/* Exported types ------------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
uint16_t EE_Init(void);
uint16_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data);
uint16_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data);
#endif /* __EEPROM_H */
/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/