#ifndef __SN32F800_FLASH_H
#define __SN32F800_FLASH_H

/*_____ I N C L U D E S ____________________________________________________*/
#include <SN32F800.h>
#include "SN32F800_Def.h"

/*_____ D E F I N I T I O N S ______________________________________________*/
//FLASH HW
#define	FLASH_PAGE_SIZE						512
#define	FLASH_800_MAX_ROM_SIZE		0x8000

// Flash Control Register definitions
#define FLASH_PG										0x00000001
#define FLASH_PER										0x00000002
#define FLASH_START									0x00000040
#define FLASH_CHK										0x00000080

// Flash Status Register definitions
#define FLASH_BUSY									0x00000001
#define FLASH_ERR										0x00000004

#define	FLASH_WAIT_FOR_DONE		while (SN_FLASH->STATUS & FLASH_BUSY) {__nop();}

/*_____ M A C R O S ________________________________________________________*/

//Flash Low Power Mode
#define	__FLASH_LPM_DISABLE					SN_FLASH->LPCTRL = 0x5AFA0000;		//HCLK<=30MHz
#define	__FLASH_LPM_FASTEST_MODE		SN_FLASH->LPCTRL = 0x5AFA001D;		//30MHz<HCLK
#define	__FLASH_LPM_PLL_MODE				__FLASH_LPM_FASTEST_MODE

//Flash Status
#define	__FLASH_CLEAR_ERROR_STATUS	SN_FLASH->STATUS = 0
#define	__FLASH_WAIT_FOR_DONE			while (SN_FLASH->STATUS & FLASH_BUSY) {__nop();}
#define	__FLASH_START_OPERATION		SN_FLASH->CTRL |= FLASH_START;	__FLASH_WAIT_FOR_DONE;


/*_____ D E C L A R A T I O N S ____________________________________________*/
extern	uint32_t wFLASH_PGRAM[128];

void FLASH_EraseSector (uint32_t);
uint32_t FLASH_ProgramPage (uint32_t, uint32_t, uint8_t *);
uint16_t FLASH_Checksum(void);

#endif	/* __SN32F800_FLASH_H */
