From f9014aea6cbbb1ea76f30148a64e6c3fc3152dcd Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Thu, 2 Jun 2022 21:37:58 +0200
Subject: [PATCH] Add function to load arbitrary type from flash

---
 flash.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/flash.hpp b/flash.hpp
index 9721229..3e49f77 100644
--- a/flash.hpp
+++ b/flash.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <cstddef>
+
 #include <avr/pgmspace.h>
 
 #define F(str) (reinterpret_cast<const ::detail::FlashString *>(PSTR(str)))
@@ -13,3 +15,18 @@ namespace detail {
 struct FlashString;
 
 } // namespace detail
+
+namespace flash {
+
+template <typename T>
+static T load(const T &object)
+{
+	auto buffer = T{};
+	auto rawBuffer = reinterpret_cast<std::byte *>(&buffer);
+	for (auto i = std::size_t{0}; i < sizeof(T); ++i) {
+		rawBuffer[i] = static_cast<std::byte>(pgm_read_byte(&reinterpret_cast<const std::byte *>(&object)[i]));
+	}
+	return buffer;
+}
+
+} // namespace flash