The bit-banding operation of the STM32 microcontroller is a special memory mapping technique that allows developers to perform atomic read and write operations on specific memory bits, thereby improving the efficiency of operations on GPIO ports, registers, and individual bits of other peripherals. 1. Bit-Band Region and Bit-Band Alias Region The memory space of the … Read more
Reading files is an essential operation and a necessary skill to master in our daily development. How to read files, how to write files, how to close connections after writing files, how to create files, and so on. Reading Files and Iterating Through Their Lines When we need to read a file line by line … Read more
1. Introduction In computer operating systems, disk I/O (Input/Output) is a key link in data read and write operations. For Linux systems, optimizing disk I/O performance is directly related to the overall response speed and data processing capability of the system. This article will detail the read and write process of Linux disk I/O, including … Read more