#pragma once

#include <hwo/chksum.h>

/*****

platform.h	Platform Definition für AVR8 / Bootloader / Externe EEPROMS

*****/

#define ENTITY_NULL			0x0000	// Kein Inhalt, Füller
#define ENTITY_FIRMWARE		0x0001	// Firmware Image

#define ENTITY_USER			0x8000	// Erster Type für Anwendungstypen

struct platform_entity
{
	uint16_t	type;
	uint32_t	size;
	
	avrChksum	chksum;
};

struct platform_eeprom_header
{
	uint8_t	magic[4];	// Magic bytes [ 0x43, 0x52, 0x65, 0xD2 ]
	
	struct
	{
		uint8_t		version_low;
		uint8_t		version_high;
		
		uint8_t		board_id_low;
		uint8_t		board_id_high;
		
		uint16_t	board_revision;
	} bootloader;
	
	struct
	{
		uint8_t		version_low;
		uint8_t		version_high;
		
		uint16_t	build;
		uint16_t	size;
		
		avrChksum	chksum;
	} firmware;
	
	struct
	{
		uint32_t	update_req:1;			// Request Bootloader for Firmware Update
		uint32_t	update_ack:1;			// Bootloader has Updated Firmware successfull
		uint32_t	update_err_chksum:1;	// Bootloader denied update due to chksum error
		uint32_t	update_err_license:1;	// Bootloader denied update due to license error
		
		uint32_t	reserve:28;
		
	} flags;
	
};