EASCII Code Table Includes binary, decimal, and hexadecimal EASCII (Extended ASCII) is an extension of the ASCII code from 7 bits to 8 bits. The EASCII code consists of 256 characters ranging from 0 to 255. The symbols added in EASCII compared to ASCII include tab characters, mathematical symbols, Greek letters, and special Latin symbols. … Read more
After completing the entire project development, we sometimes suddenly find a file with a garbled string name in the development board’s directory, and even the file size is 0. Moreover, when the file name is garbled, it is impossible to input the file name via the keyboard, making it impossible to manage the file through … Read more
Linux iconv Command <span>iconv</span> is a powerful command-line tool in Linux systems for character encoding conversion. It can convert text files or input streams from one character encoding to another, widely used for handling multilingual text, data migration, and cross-platform data exchange. 1. Introduction to iconv <span>iconv</span> is a command-line tool based on the GNU … Read more
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