I wrote a virtual character driver. It compiled fine, but when I imported it as a module, I got the following error message: unresolved symbol DECLARE_WAIT_QUEUE Below is the source code. Please help ...
1.1. I am using CCSv5 to debug and optimize the AVS encoder. All CCSv5 optimization options can be compiled successfully, but only -o1 can be used during debugging . Other options cannot be used, indi...
[color=rgb(0,0,0)][color=rgb(68,68,68)][backcolor=rgb(255,255,255)]I wrote a keyboard processing module not long ago. I needed to do the same processing on multiple GPIO inputs, so I defined a pointer...
International Rectifier introduces the IRS2453D series of 600V self-excited full-bridge driver ICs. The series is suitable for HID ballast applications such as general lighting, outdoor lighting and p...
Dear seniors, I am a freshman majoring in computer science in Guangdong 2A. After learning C language, I heard on the Internet that embedded systems are so good and have such a bright future. What are...