This is my first time to the forum. I plan to learn the operating system well. I chose uCOS-ii first, so I plan to study and post every day. I don’t know how long I can persist, so I will take months ...
Kernel: 2.6.15 Development board: sigmadesign 8635 Module: ZTE MC8630 Driver: USB to serial port phenomenon: After loading the driver, ttyUSB0 can be generated. When the at command is input to ttyUSB0...
[p=30, 2, left]Hi everyone, I've been working on Ethernet communication recently and ported Lwip. The physical connection was successful and the reading and writing of PHY registers were correct, but ...
Hello everyone, I have to ask you for help, I really can't figure it out. I have checked many websites but still can't figure out the CRC algorithm for this set of data. ff ff fd ff ff 10 01 08 d3 0b ...
The program is like this. But why when I simulate SPI, the receiving and sending registers are changed, but when I use an oscilloscope to measure SIMO and SCK during sending, it is always high level a...