fota_packet.h

#pragma once
 
/************************************************************************************************
 * @file   fota_packet.h
 *
 * @brief  Packet implementation for firmware over the air (FOTA) updates
 *
 * @date   2025-03-16
 * @author Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdint.h>
 
/* Inter-component Headers */
 
/* Intra-component Headers */
#include "fota_error.h"
 
#define PAYLOAD_SIZE 256
 
typedef enum { HEADER_PACKET, DATA_PACKET, ERROR_PACKET } PacketType;
typedef struct {
  uint8_t sof;
  PacketType packet_type;
  uint8_t sequence_num;
  uint16_t payload_length;
  uint8_t payload[PAYLOAD_SIZE];
  uint8_t eof;
} Packet;
 
FotaError encode_packet(Packet *packet, uint8_t *payload);
 
FotaError decode_packet(Packet *packet, uint8_t *payload);