I am a newbie. I can't find the answer to my problem online. I have to try it myself. Please help me. Problem description: I configured the baud rate of USART to 38400, but failed to receive data succ
Although the current EDA tools are very powerful, as the PCB size requirements are getting smaller and smaller and the device density is getting higher and higher, the difficulty of PCB design is not
I wrote a small test program. init.s completes the hardware initialization, and main.c prints a statement using printf. When linking with arm-linux-ld, I use "-lc" to specify the link to libc.a, but a
Hello everyone, I am a junior student and I have just started in this industry. I have learned programming, hardware knowledge, and data structures, but no teacher has ever told me what happens when I