/**
 * @file debug.h
 * @brief Debugging facilities
 *
 * @section License
 *
 * Copyright (C) 2021-2026 Oryx Embedded SARL. All rights reserved.
 * 
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.6.0
 **/

#ifndef _DEBUG_H
#define _DEBUG_H

//Dependencies
#include <stdio.h>
#include "os_port.h"

//Trace level definitions
#define TRACE_LEVEL_OFF      0
#define TRACE_LEVEL_FATAL    1
#define TRACE_LEVEL_ERROR    2
#define TRACE_LEVEL_WARNING  3
#define TRACE_LEVEL_INFO     4
#define TRACE_LEVEL_DEBUG    5
#define TRACE_LEVEL_VERBOSE  6

//Default trace level
#ifndef TRACE_LEVEL
   #define TRACE_LEVEL TRACE_LEVEL_DEBUG
#endif

//Trace output redirection
#ifndef TRACE_PRINTF
   #define TRACE_PRINTF(...) osSuspendAllTasks(), fprintf(stderr, __VA_ARGS__), osResumeAllTasks()
#endif

#ifndef TRACE_ARRAY
   #define TRACE_ARRAY(p, a, n) osSuspendAllTasks(), debugDisplayArray(stderr, p, a, n), osResumeAllTasks()
#endif

#ifndef TRACE_MPI
   #define TRACE_MPI(p, a) osSuspendAllTasks(), mpiDump(stderr, p, a), osResumeAllTasks()
#endif

#ifndef TRACE_EC_SCALAR
   #define TRACE_EC_SCALAR(p, a, n) osSuspendAllTasks(), ecScalarDump(stderr, p, a, n), osResumeAllTasks()
#endif

//Debugging macros
#if (TRACE_LEVEL >= TRACE_LEVEL_FATAL)
   #define TRACE_FATAL(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_FATAL_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_FATAL_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_FATAL_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_FATAL(...)
   #define TRACE_FATAL_ARRAY(p, a, n)
   #define TRACE_FATAL_MPI(p, a)
   #define TRACE_FATAL_EC_SCALAR(p, a, n)
#endif

#if (TRACE_LEVEL >= TRACE_LEVEL_ERROR)
   #define TRACE_ERROR(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_ERROR_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_ERROR_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_ERROR_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_ERROR(...)
   #define TRACE_ERROR_ARRAY(p, a, n)
   #define TRACE_ERROR_MPI(p, a)
   #define TRACE_ERROR_EC_SCALAR(p, a, n)
#endif

#if (TRACE_LEVEL >= TRACE_LEVEL_WARNING)
   #define TRACE_WARNING(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_WARNING_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_WARNING_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_WARNING_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_WARNING(...)
   #define TRACE_WARNING_ARRAY(p, a, n)
   #define TRACE_WARNING_MPI(p, a)
   #define TRACE_WARNING_EC_SCALAR(p, a, n)
#endif

#if (TRACE_LEVEL >= TRACE_LEVEL_INFO)
   #define TRACE_INFO(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_INFO_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_INFO_NET_BUFFER(p, b, o, n)
   #define TRACE_INFO_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_INFO_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_INFO(...)
   #define TRACE_INFO_ARRAY(p, a, n)
   #define TRACE_INFO_NET_BUFFER(p, b, o, n)
   #define TRACE_INFO_MPI(p, a)
   #define TRACE_INFO_EC_SCALAR(p, a, n)
#endif

#if (TRACE_LEVEL >= TRACE_LEVEL_DEBUG)
   #define TRACE_DEBUG(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_DEBUG_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_DEBUG_NET_BUFFER(p, b, o, n)
   #define TRACE_DEBUG_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_DEBUG_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_DEBUG(...)
   #define TRACE_DEBUG_ARRAY(p, a, n)
   #define TRACE_DEBUG_NET_BUFFER(p, b, o, n)
   #define TRACE_DEBUG_MPI(p, a)
   #define TRACE_DEBUG_EC_SCALAR(p, a, n)
#endif

#if (TRACE_LEVEL >= TRACE_LEVEL_VERBOSE)
   #define TRACE_VERBOSE(...) TRACE_PRINTF(__VA_ARGS__)
   #define TRACE_VERBOSE_ARRAY(p, a, n) TRACE_ARRAY(p, a, n)
   #define TRACE_VERBOSE_NET_BUFFER(p, b, o, n)
   #define TRACE_VERBOSE_MPI(p, a) TRACE_MPI(p, a)
   #define TRACE_VERBOSE_EC_SCALAR(p, a, n) TRACE_EC_SCALAR(p, a, n)
#else
   #define TRACE_VERBOSE(...)
   #define TRACE_VERBOSE_ARRAY(p, a, n)
   #define TRACE_VERBOSE_NET_BUFFER(p, b, o, n)
   #define TRACE_VERBOSE_MPI(p, a)
   #define TRACE_VERBOSE_EC_SCALAR(p, a, n)
#endif

//C++ guard
#ifdef __cplusplus
extern "C" {
#endif

//Debug related functions
void debugInit(uint32_t baudrate);

void debugDisplayArray(FILE *stream,
   const char_t *prepend, const void *data, size_t length);

//Deprecated definitions
#define TRACE_LEVEL_NO_TRACE TRACE_LEVEL_OFF

//C++ guard
#ifdef __cplusplus
}
#endif

#endif
