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esp8266/cores/esp8266/Esp-version.cpp
Dirk Mueller 6c2ab25087 Code size optimisations for ESP.getFullVersion() (#6936)
This saves about ~ 60 bytes of flash usage (50% reduction of
the total function size)
2019-12-23 17:52:16 -08:00

69 lines
2.2 KiB
C++

/*
Esp.cpp - ESP8266-specific APIs
Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Arduino.h>
#include <user_interface.h>
#include <core_version.h>
#include <lwip/init.h> // LWIP_VERSION_*
#include <lwipopts.h> // LWIP_HASH_STR (lwip2)
#include <bearssl/bearssl_git.h> // BEARSSL_GIT short hash
#define STRHELPER(x) #x
#define STR(x) STRHELPER(x) // stringifier
static const char arduino_esp8266_git_ver [] PROGMEM = "/Core:" STR(ARDUINO_ESP8266_GIT_DESC) "=";
#if LWIP_VERSION_MAJOR > 1
#if LWIP_IPV6
static const char lwip_version [] PROGMEM = "/lwIP:IPv6+" LWIP_HASH_STR;
#else
static const char lwip_version [] PROGMEM = "/lwIP:" LWIP_HASH_STR;
#endif
#endif
static const char bearssl_version [] PROGMEM = "/BearSSL:" STR(BEARSSL_GIT);
String EspClass::getFullVersion() {
String s(F("SDK:"));
s.reserve(127);
s += system_get_sdk_version();
s += FPSTR(arduino_esp8266_git_ver);
s += String(esp8266::coreVersionNumeric());
#if LWIP_VERSION_MAJOR == 1
s += F("/lwIP:");
s += LWIP_VERSION_MAJOR;
s += '.';
s += LWIP_VERSION_MINOR;
s += '.';
s += LWIP_VERSION_REVISION;
#if LWIP_VERSION_IS_DEVELOPMENT
s += F("-dev");
#endif
#if LWIP_VERSION_IS_RC
s += F("rc");
s += String(LWIP_VERSION_RC);
#endif
#else // LWIP_VERSION_MAJOR != 1
s += FPSTR(lwip_version);
#endif // LWIP_VERSION_MAJOR != 1
s += FPSTR(bearssl_version);
return s;
}