Abstract: LCDs are common devices in embedded systems. How to display Chinese characters and English on an LCD? What are the differences between vector fonts and bitmap fonts? Why are there multiple encodings for the same character? What do GB2312 and GB18030 refer to? Are they related? How do embedded devices support multiple languages? Where … Read more
When I was young, I was particularly curious about how LCDs display the content you want. I remember researching it for a while, but at that time, resources were limited. It wasn’t until college that I learned a bit about dot matrices, ASCII codes, etc. LCD screens are common display devices in embedded systems. So … Read more
C++ Guide:<span>wstring</span> – Wide Character String Type 1. What is <span>wstring</span>? <span>std::wstring</span> is a wide character (wchar_t) string type provided by the C++ standard library. Unlike <span>std::string</span>, <span>std::wstring</span> is used to store Unicode characters, making it suitable for applications that require multilingual support, such as Chinese, Japanese, Korean, and other non-ASCII languages. 2. Underlying Data … Read more