33 lines
807 B
C++
33 lines
807 B
C++
#pragma once
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#include <cstddef>
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#include <avr/pgmspace.h>
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#define F(str) (reinterpret_cast<const ::detail::FlashString *>(PSTR(str)))
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#define GF(name, str) \
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const char __##name[] PROGMEM = str; \
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const auto *name = reinterpret_cast<const ::detail::FlashString *>(__##name)
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namespace detail {
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// Only used for C++ type safety, because otherwise a PSTR would be indistinguishable from a normal c-string
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struct FlashString;
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} // namespace detail
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namespace flash {
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template <typename T>
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static T load(const T &object)
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{
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auto buffer = T{};
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auto rawBuffer = reinterpret_cast<std::byte *>(&buffer);
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for (auto i = std::size_t{0}; i < sizeof(T); ++i) {
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rawBuffer[i] = static_cast<std::byte>(pgm_read_byte(&reinterpret_cast<const std::byte *>(&object)[i]));
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}
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return buffer;
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}
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} // namespace flash
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