/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation. See the file COPYING
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Copyright (C) 2010 Frank van Maarseveen <frankvm@frankvm.com>
 */

#ifndef _SPM_H_
#define _SPM_H_

#include <stdint.h>
#include "types.h"

/*
 * These describe the program flash organization of the target (Attiny85):
 */
#define PAGE_SHIFT	6
#define PAGE_SIZE	(1 << PAGE_SHIFT)
#define NPAGES		128

/*
 * packet layout
 */
struct spm {
	uint8_t		syn;
	uint8_t		pageno;
	uint8_t		npages;
	uint8_t		data[PAGE_SIZE];
	uint8_t		crc[2];
};

bool_t spm_setup(struct spm *spm);
void spm_program(struct spm *spm);
bool_t spm_complete(void);

#endif