mirror of
https://github.com/eledio-devices/thirdparty-ArduinoJson.git
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43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#include <stdint.h> // uint8_t
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#include <string.h> // strcmp, strlen...
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#define PROGMEM
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class __FlashStringHelper;
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inline const void* convertPtrToFlash(const void* s) {
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return reinterpret_cast<const char*>(s) + 42;
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}
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inline const void* convertFlashToPtr(const void* s) {
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return reinterpret_cast<const char*>(s) - 42;
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}
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#define PSTR(X) reinterpret_cast<const char*>(convertPtrToFlash(X))
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#define F(X) reinterpret_cast<const __FlashStringHelper*>(PSTR(X))
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inline uint8_t pgm_read_byte(const void* p) {
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return *reinterpret_cast<const uint8_t*>(convertFlashToPtr(p));
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}
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inline void* pgm_read_ptr(const void* p) {
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return *reinterpret_cast<void* const*>(convertFlashToPtr(p));
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}
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inline float pgm_read_float(const void* p) {
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return *reinterpret_cast<const float*>(convertFlashToPtr(p));
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}
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inline uint32_t pgm_read_dword(const void* p) {
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return *reinterpret_cast<const uint32_t*>(convertFlashToPtr(p));
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}
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#define ARDUINOJSON_DEFINE_STATIC_ARRAY(type, name, value) \
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static type const ARDUINOJSON_CONCAT2(name, _progmem)[] = value; \
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static type const* name = reinterpret_cast<type const*>( \
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convertPtrToFlash(ARDUINOJSON_CONCAT2(name, _progmem)));
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