create_header_string_checksum.h

#include <cstdint>
#include <cstdio>

namespace version_helper {
    /**
     * @brief Create the header sequence with checksum based in a string
     *
     * @tparam Type: Desired type of header
     * @tparam N: Size of string
     * @return Type: Header sequence created with checksum
     */
    template<typename Type, size_t N>
    constexpr Type create_header(const char (&parameters)[N]) {
        const uint8_t size = sizeof(Type);
        static_assert(N <= size, "Type can't hold string size.");
        uint8_t checksum = 0;
        Type result = 0;
        for(uint8_t i = 0; i < N ; i++) {
            const Type value = static_cast<Type>(parameters[i]);
            checksum += value;
            result += static_cast<Type>(value << 8*(size - i - 1));
        }
        result += checksum;
        return result;
    };
}