File isotp_user.c¶

/*
 *******************************************************************************
 * ISO-TP-C: ISO 15765-2 Protocol Implementation
 *
 * Project:     ISO-TP-C - Embedded-Grade Refactoring & Optimization
 * Description: User hooks for the ISO-TP core used by the Python API example.
 *
 * Author:      Anton Vynohradov
 * Email:       avynohradov@systemfromscratch.com
 *
 * License:     MIT License
 *
 * Copyright (c) 2026 Anton Vynohradov
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * SPDX-License-Identifier: MIT
 ******************************************************************************/

/* ============================================================================
 * INCLUDES
 * ==========================================================================*/

#include "isotp.h"
#include "can_driver.h"
#include "mock_time.h"

#include <stdarg.h>
#include <stdio.h>

/* ============================================================================
 * PUBLIC FUNCTION IMPLEMENTATIONS
 * ==========================================================================*/

void isotp_user_debug(const char* message, ...)
{
    va_list args;
    va_start(args, message);
    vfprintf(stderr, message, args);
    va_end(args);
}

int isotp_user_send_can(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size
#ifdef ISO_TP_USER_SEND_CAN_ARG
                        ,
                        void* arg
#endif
)
{
#ifdef ISO_TP_USER_SEND_CAN_ARG
    (void) arg;
#endif

    int ret = can_send(arbitration_id, data, size);
    if (ret == 0)
    {
        return ISOTP_RET_OK;
    }

    return ISOTP_RET_NOSPACE;
}

uint32_t isotp_user_get_us(void)
{
    return mock_time_now();
}