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ArduinoJson/include/ArduinoJson/Configuration.hpp
2016-02-01 21:17:32 +01:00

80 lines
2.0 KiB
C++

// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#ifdef ARDUINO // assume this is an embedded platform
// store using float instead of double to reduce the memory usage (issue #134)
#ifndef ARDUINOJSON_USE_DOUBLE
#define ARDUINOJSON_USE_DOUBLE 0
#endif
// store using a long because it usually match the size of a float.
#ifndef ARDUINOJSON_USE_LONG_LONG
#define ARDUINOJSON_USE_LONG_LONG 0
#endif
#ifndef ARDUINOJSON_USE_INT64
#define ARDUINOJSON_USE_INT64 0
#endif
// arduino doesn't support STL stream
#ifndef ARDUINOJSON_ENABLE_STD_STREAM
#define ARDUINOJSON_ENABLE_STD_STREAM 0
#endif
#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
#ifdef ARDUINO_ARCH_AVR
// alignment isn't needed for 8-bit AVR
#define ARDUINOJSON_ENABLE_ALIGNMENT 0
#else
// but must processor needs pointer to be align on word size
#define ARDUINOJSON_ENABLE_ALIGNMENT 1
#endif
#endif
#else // assume this is a computer
// on a computer we have plenty of memory so we can use doubles
#ifndef ARDUINOJSON_USE_DOUBLE
#define ARDUINOJSON_USE_DOUBLE 1
#endif
// use long long when available
#ifndef ARDUINOJSON_USE_LONG_LONG
#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1800)
#define ARDUINOJSON_USE_LONG_LONG 1
#else
#define ARDUINOJSON_USE_LONG_LONG 0
#endif
#endif
// use _int64 on old versions of Visual Studio
#ifndef ARDUINOJSON_USE_INT64
#if defined(_MSC_VER) && _MSC_VER <= 1700
#define ARDUINOJSON_USE_INT64 1
#else
#define ARDUINOJSON_USE_INT64 0
#endif
#endif
// on a computer, we can assume that the STL is there
#ifndef ARDUINOJSON_ENABLE_STD_STREAM
#define ARDUINOJSON_ENABLE_STD_STREAM 1
#endif
#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
// even if not required, most cpu's are faster with aligned pointers
#define ARDUINOJSON_ENABLE_ALIGNMENT 1
#endif
#endif
#if ARDUINOJSON_USE_LONG_LONG && ARDUINOJSON_USE_INT64
#error ARDUINOJSON_USE_LONG_LONG and ARDUINOJSON_USE_INT64 cannot be set together
#endif