mirror of https://github.com/wolfSSL/wolfssl.git
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* wolfssl-arduino.cpp
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*
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* Copyright (C) 2006-2025 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <Arduino.h>
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#include "wolfssl.h"
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/* Function to allow wolfcrypt to use Arduino Serial.print for debug messages.
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* See wolfssl/wolfcrypt/logging.c */
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#if defined(__AVR__)
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#include <avr/pgmspace.h> /* Required for PROGMEM handling on AVR */
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#endif
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int wolfSSL_Arduino_Serial_Print(const char* const s)
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{
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/* Reminder: Serial.print is only available in C++ */
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int is_progmem = 0;
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#if defined(__AVR__)
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const char* t;
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t = s;
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/* Safely check if `s` is in PROGMEM, 0x8000 is typical for AVR flash */
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if (reinterpret_cast<uint16_t>(t) >= 0x8000) {
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while (pgm_read_byte(t)) {
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Serial.write(pgm_read_byte(t++));
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}
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Serial.println();
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is_progmem = 1;
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}
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#endif
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/* Print normally for non-AVR boards or RAM-stored strings */
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if (!is_progmem) {
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Serial.println(s);
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}
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return 0;
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};
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