/******************** (C) COPYRIGHT 2009 STMicroelectronics ******************** * File Name : nand_if.h * Author : MCD Application Team * Version : V3.1.0 * Date : 10/30/2009 * Description : All functions related to the NAND process ******************************************************************************** * 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. *******************************************************************************/ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __NAND_IF_H #define __NAND_IF_H /* Includes ------------------------------------------------------------------*/ #include "stm32f10x.h" /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ #define NAND_OK 0 #define NAND_FAIL 1 #define FREE_BLOCK (1 << 12 ) #define BAD_BLOCK (1 << 13 ) #define VALID_BLOCK (1 << 14 ) #define USED_BLOCK (1 << 15 ) #define MAX_PHY_BLOCKS_PER_ZONE 1024 #define MAX_LOG_BLOCKS_PER_ZONE 1000 /* Private Structures---------------------------------------------------------*/ typedef struct __SPARE_AREA { uint16_t LogicalIndex; uint16_t DataStatus; uint16_t BlockStatus; } SPARE_AREA; typedef enum { WRITE_IDLE = 0, POST_WRITE, PRE_WRITE, WRITE_CLEANUP, WRITE_ONGOING }WRITE_STATE; typedef enum { OLD_BLOCK = 0, UNUSED_BLOCK }BLOCK_STATE; /* Private macro --------------------------------------------------------------*/ //#define WEAR_LEVELLING_SUPPORT #define WEAR_DEPTH 10 #define PAGE_TO_WRITE (Transfer_Length/512) /* Private variables ----------------------------------------------------------*/ /* Private function prototypes ------------------------------------------------*/ /* exported functions ---------------------------------------------------------*/ uint16_t NAND_Init (void); uint16_t NAND_Write (uint32_t Memory_Offset, uint32_t *Writebuff, uint16_t Transfer_Length); uint16_t NAND_Read (uint32_t Memory_Offset, uint32_t *Readbuff, uint16_t Transfer_Length); uint16_t NAND_Format (void); SPARE_AREA ReadSpareArea (uint32_t address); #endif /******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/