[209] | 1 | // Copyright Benoit Blanchon 2014-2016
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| 2 | // MIT License
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| 3 | //
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| 4 | // Arduino JSON library
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| 5 | // https://github.com/bblanchon/ArduinoJson
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| 6 | // If you like this project, please add a star!
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| 7 |
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| 8 | #pragma once
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| 9 |
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| 10 | #ifdef ARDUINO // assume this is an embedded platform
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| 11 |
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| 12 | // store using float instead of double to reduce the memory usage (issue #134)
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| 13 | #ifndef ARDUINOJSON_USE_DOUBLE
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| 14 | #define ARDUINOJSON_USE_DOUBLE 0
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| 15 | #endif
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| 16 |
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| 17 | // store using a long because it usually match the size of a float.
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| 18 | #ifndef ARDUINOJSON_USE_LONG_LONG
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| 19 | #define ARDUINOJSON_USE_LONG_LONG 0
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| 20 | #endif
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| 21 | #ifndef ARDUINOJSON_USE_INT64
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| 22 | #define ARDUINOJSON_USE_INT64 0
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| 23 | #endif
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| 24 |
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| 25 | // arduino doesn't support STL stream
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| 26 | #ifndef ARDUINOJSON_ENABLE_STD_STREAM
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| 27 | #define ARDUINOJSON_ENABLE_STD_STREAM 0
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| 28 | #endif
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| 29 |
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| 30 | #ifndef ARDUINOJSON_ENABLE_ALIGNMENT
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| 31 | #ifdef ARDUINO_ARCH_AVR
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| 32 | // alignment isn't needed for 8-bit AVR
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| 33 | #define ARDUINOJSON_ENABLE_ALIGNMENT 0
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| 34 | #else
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| 35 | // but must processor needs pointer to be align on word size
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| 36 | #define ARDUINOJSON_ENABLE_ALIGNMENT 1
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| 37 | #endif
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| 38 | #endif
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| 39 |
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| 40 | #else // assume this is a computer
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| 41 |
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| 42 | // on a computer we have plenty of memory so we can use doubles
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| 43 | #ifndef ARDUINOJSON_USE_DOUBLE
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| 44 | #define ARDUINOJSON_USE_DOUBLE 1
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| 45 | #endif
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| 46 |
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| 47 | // use long long when available
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| 48 | #ifndef ARDUINOJSON_USE_LONG_LONG
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| 49 | #if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1800)
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| 50 | #define ARDUINOJSON_USE_LONG_LONG 1
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| 51 | #else
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| 52 | #define ARDUINOJSON_USE_LONG_LONG 0
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| 53 | #endif
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| 54 | #endif
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| 55 |
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| 56 | // use _int64 on old versions of Visual Studio
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| 57 | #ifndef ARDUINOJSON_USE_INT64
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| 58 | #if defined(_MSC_VER) && _MSC_VER <= 1700
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| 59 | #define ARDUINOJSON_USE_INT64 1
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| 60 | #else
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| 61 | #define ARDUINOJSON_USE_INT64 0
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| 62 | #endif
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| 63 | #endif
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| 64 |
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| 65 | // on a computer, we can assume that the STL is there
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| 66 | #ifndef ARDUINOJSON_ENABLE_STD_STREAM
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| 67 | #define ARDUINOJSON_ENABLE_STD_STREAM 1
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| 68 | #endif
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| 69 |
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| 70 | #ifndef ARDUINOJSON_ENABLE_ALIGNMENT
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| 71 | // even if not required, most cpu's are faster with aligned pointers
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| 72 | #define ARDUINOJSON_ENABLE_ALIGNMENT 1
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| 73 | #endif
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| 74 |
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| 75 | #endif
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| 76 |
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| 77 | #if ARDUINOJSON_USE_LONG_LONG && ARDUINOJSON_USE_INT64
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| 78 | #error ARDUINOJSON_USE_LONG_LONG and ARDUINOJSON_USE_INT64 cannot be set together
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| 79 | #endif
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