lpc177x_8x_eeprom.h

优龙LPC1788开发板资料

/***********************************************************************//**
 * @file		lpc177x_8x_eeprom.h
 * @brief		Contains all macro definitions and function prototypes
 * 				support for EEPROM firmware library on LPC177x_8x
 * @version		1.0
 * @date		13. Dec. 2010
 * @author		NXP MCU SW Application Team
 **************************************************************************
 * 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.
 **************************************************************************/

/* Peripheral group ----------------------------------------------------------- */
#ifndef LPC178X_EEPROM_H_
#define LPC178X_EEPROM_H_

/* Includes ------------------------------------------------------------------- */
#include "LPC177x_8x.h"
#include "lpc_types.h"


#ifdef __cplusplus
extern "C"
{
#endif

/* 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					64

/*********************************************************************//**
 * 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 --------------------------------------------------------------- */
typedef enum
{
	MODE_8_BIT = 0,
	MODE_16_BIT,
	MODE_32_BIT
}EEPROM_Mode_Type;


/**
 * @}
 */


/* 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(uint32_t address);
void EEPROM_PowerDown(FunctionalState NewState);

/**
 * @}
 */


#ifdef __cplusplus
}
#endif


#endif /* LPC178X_EEPROM_H_ */

/**
 * @}
 */

/* --------------------------------- End Of File ------------------------------ */