Diff: eeprom.h

Revision:

0:0b8e4689a075

Child:

1:30f2f413f549

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeprom.h	Sun Sep 21 16:21:49 2014 +0000
@@ -0,0 +1,80 @@
+/**
+  ******************************************************************************
+  * @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>&copy; 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)0x08010000) /* 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)0x03)
+
+/* 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****/
+