rt-thread-official/bsp/lpc408x/Libraries/Drivers/include/lpc_eeprom.h

153 lines
5.1 KiB
C

/**********************************************************************
* $Id$ lpc_eeprom.h 2011-06-02
*//**
* @file lpc_eeprom.h
* @brief Contains all macro definitions and function prototypes
* support for EEPROM firmware library on LPC
* @version 1.0
* @date 02. June. 2011
* @author NXP MCU SW Application Team
*
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors'
* relevant copyright in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
**********************************************************************/
/* Peripheral group ----------------------------------------------------------- */
/** @defgroup EEPROM EEPROM (Electrically Erasable Programmable Read-Only Memory)
* @ingroup LPC_CMSIS_FwLib_Drivers
* @{
*/
#ifndef __LPC_EEPROM_H_
#define __LPC_EEPROM_H_
/* Includes ------------------------------------------------------------------- */
#include "LPC407x_8x_177x_8x.h"
#include "lpc_types.h"
#ifdef __cplusplus
extern "C"
{
#endif
/* Private macros ------------------------------------------------------------- */
/** @defgroup EEPROM_Private_Macros EEPROM Private Macros
* @{
*/
/* -------------------------- BIT DEFINITIONS --------------------------------- */
/*********************************************************************//**
* Macro defines for EEPROM command register
**********************************************************************/
#define EEPROM_CMD_8_BIT_READ (0)
#define EEPROM_CMD_16_BIT_READ (1)
#define EEPROM_CMD_32_BIT_READ (2)
#define EEPROM_CMD_8_BIT_WRITE (3)
#define EEPROM_CMD_16_BIT_WRITE (4)
#define EEPROM_CMD_32_BIT_WRITE (5)
#define EEPROM_CMD_ERASE_PRG_PAGE (6)
#define EEPROM_CMD_RDPREFETCH (1<<3)
#define EEPROM_PAGE_SIZE 64
#define EEPROM_PAGE_NUM 63
/*********************************************************************//**
* Macro defines for EEPROM address register
**********************************************************************/
#define EEPROM_PAGE_OFFSET(n) (n&0x3F)
#define EEPROM_PAGE_ADRESS(n) ((n&0x3F)<<6)
/*********************************************************************//**
* Macro defines for EEPROM write data register
**********************************************************************/
#define EEPROM_WDATA_8_BIT(n) (n&0x000000FF)
#define EEPROM_WDATA_16_BIT(n) (n&0x0000FFFF)
#define EEPROM_WDATA_32_BIT(n) (n&0xFFFFFFFF)
/*********************************************************************//**
* Macro defines for EEPROM read data register
**********************************************************************/
#define EEPROM_RDATA_8_BIT(n) (n&0x000000FF)
#define EEPROM_RDATA_16_BIT(n) (n&0x0000FFFF)
#define EEPROM_RDATA_32_BIT(n) (n&0xFFFFFFFF)
/*********************************************************************//**
* Macro defines for EEPROM power down register
**********************************************************************/
#define EEPROM_PWRDWN (1<<0)
#define EEPROM_ENDOF_RW (26)
#define EEPROM_ENDOF_PROG (28)
/**
* @}
*/
/* Public Types --------------------------------------------------------------- */
/** @defgroup EEPROM_Public_Types EEPROM Public Types
* @{
*/
typedef enum
{
MODE_8_BIT = 0,
MODE_16_BIT,
MODE_32_BIT
}EEPROM_Mode_Type;
/**
* @}
*/
/* Public Functions ----------------------------------------------------------- */
/** @defgroup EEPROM_Public_Functions EEPROM Public Functions
* @{
*/
void EEPROM_Init(void);
void EEPROM_Write(uint16_t page_offset, uint16_t page_address, void* data, EEPROM_Mode_Type mode, uint32_t size);
void EEPROM_Read(uint16_t page_offset, uint16_t page_address, void* data, EEPROM_Mode_Type mode, uint32_t size);
void EEPROM_Erase(uint16_t address);
void EEPROM_PowerDown(FunctionalState NewState);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __LPC_EEPROM_H_ */
/**
* @}
*/
/* --------------------------------- End Of File ------------------------------ */