can_interface.h

#ifndef CAN_INTERFACE_H_

#define CAN_INTERFACE_H_

#include <can2515.h>

#include <avr/boot.h>

#include <string.h>

#include "Bootloader.h"

#define DEVICE_ID 2

#define FLASHED_LINE_SUCCESSFUL 1

#define CHECKSUM_FAILURE 0

//#define FLASH_COMPLETE 2

enum Can_Bootloader_State {AWAITING_REQUEST, AWAITING_DATA, WRITING_TO_FLASH, WRITING_TO_CAN};

void switch_active_data_buffer();

void switch_active_page_buffer();

int8_t buffer_can_message_data(uint8_t length, char *data);

int8_t buffer_page_data(uint8_t length, char *data);

uint8_t handle_can_message(Message *message);

void handle_can_request(Message *message);

void handle_can_data(Message *message);

void handle_can_flash_complete(Message *message);

uint8_t parse_hex_line(uint8_t buffer);

void write_bootloader_message_buffered_to_can(uint16_t length, char *input);

#endif