When writing Linux drivers, where can I find the prototypes or usage instructions of these API functions? For example, the function register_chrdev_region for registering device numbers cannot be foun
[size=4]When making high-frequency power supplies, sampling of high-frequency AC signals is often involved. The traditional sampling circuit is as follows: [/size] [size=4] [/size] [align=center][size
In the last issue, we have eliminated A. In this issue, we need to display the letters AB at the same time, which requires two lvgl tags. How to do it? I thought of the structure:
struct Obj{char name