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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Apache Software License, Version 2.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.apache.org/licenses/LICENSE-2.0)
// Official repository: https://github.com/ne-foss-org/neboot
#pragma once
#include <include/boot.h>
/// @file 30pin.h
/// @brief 30pin recovery protocol.
/// @details This file contains the definitions and structures used for the 30pin recovery protocol.
#define NB_30PIN_MAG "TP"
#define NB_30PIN_MAG_LEN (2)
#define NB_30PIN_BUFFER_LEN (498)
#define NB_30PIN_EOP_LEN (11)
/// @brief 30pin recovery header.
/// @param mag magic number.
/// @param kind kind of packet we deal with.
/// @param buffer the data of the packet.
/// @param eop end of packet data.
struct _nb_tpin_recovery_packet {
uint8_t mag[NB_30PIN_MAG_LEN];
uint8_t kind;
uint8_t buffer[NB_30PIN_BUFFER_LEN];
uint8_t eop[NB_30PIN_EOP_LEN];
};
/// @brief 30pin recovery packet kinds.
enum {
TPIN_RECOVERY_PACKET_KIND_UNKNOWN = 0,
TPIN_RECOVERY_PACKET_KIND_BOOT = 1,
TPIN_RECOVERY_PACKET_KIND_DATA = 2,
TPIN_RECOVERY_PACKET_KIND_EOP = 3,
TPIN_RECOVERY_PACKET_KIND_EOP_ACK = 4,
TPIN_RECOVERY_PACKET_KIND_EOP_NACK = 5,
TPIN_RECVOERY_PACKET_KIND_RESET = 6,
TPIN_RECOVERY_PACKET_KIND_COUNT = TPIN_RECVOERY_PACKET_KIND_RESET - TPIN_RECOVERY_PACKET_KIND_BOOT + 1
};
/// @brief 30pin CRC type.
typedef uint8_t nb_tpin_crc_t[sizeof(uint32_t)];
typedef struct _nb_tpin_recovery_packet nb_tpin_recovery_packet_t;
size_t nb_parse_30pin(voidptr_t blob, size_t* size, size_t* start_lba);
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