6d45770d98
Move command registry from components/command/ into components/core/. New modules: mod_canbus, mod_honeypot, mod_fallback, mod_redteam, mod_ota. Replace mod_proxy with tun_core (multiplexed SOCKS5 tunnel). Kconfig extended with per-module settings and async worker config.
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/*
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* canbus_isotp.h
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* ISO-TP (ISO 15765-2) transport layer for CAN bus.
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* Handles multi-frame messaging (> 8 bytes) required by UDS and OBD-II.
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*/
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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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ISOTP_OK = 0,
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ISOTP_TIMEOUT,
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ISOTP_OVERFLOW,
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ISOTP_ERROR,
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} isotp_status_t;
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/*
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* Send an ISO-TP message (blocking).
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* Handles Single Frame for len <= 7, or First Frame + Consecutive Frames.
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* Waits for Flow Control frame from receiver if multi-frame.
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*
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* tx_id: CAN arbitration ID for outgoing frames
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* rx_id: CAN arbitration ID for incoming Flow Control
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* data/len: payload to send
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* timeout_ms: max wait for Flow Control response
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*/
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isotp_status_t isotp_send(uint32_t tx_id, uint32_t rx_id,
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const uint8_t *data, size_t len,
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int timeout_ms);
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/*
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* Receive an ISO-TP message (blocking).
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* Reassembles Single Frame or First Frame + Consecutive Frames.
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* Sends Flow Control frame to sender if multi-frame.
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*
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* rx_id: CAN arbitration ID to listen for
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* buf/buf_cap: output buffer
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* out_len: actual received length
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* timeout_ms: max wait time
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*/
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isotp_status_t isotp_recv(uint32_t rx_id,
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uint8_t *buf, size_t buf_cap, size_t *out_len,
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int timeout_ms);
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/*
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* Request-Response: send then receive (most common UDS pattern).
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* Combines isotp_send() + isotp_recv() with proper FC handling.
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*
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* tx_id/rx_id: CAN ID pair (e.g. 0x7E0/0x7E8 for ECU diagnostics)
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*/
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isotp_status_t isotp_request(uint32_t tx_id, uint32_t rx_id,
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const uint8_t *req, size_t req_len,
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uint8_t *resp, size_t resp_cap, size_t *resp_len,
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int timeout_ms);
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/*
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* Install ISO-TP RX hook into the CAN driver callback chain.
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* Must be called after can_driver_set_rx_callback() so that the
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* previous callback (sniff/record) is preserved in the chain.
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*/
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void isotp_install_hook(void);
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#ifdef __cplusplus
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}
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#endif
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