Does anyone know why running the following code may cause all future read() calls on that fd (which is stdin) to immediately return 0 instead of blocking for 开发者_StackOverflow社区input?
I am trying to write a C program in Linux to send and receive data from a microcontroller over the serial port.As a test, I have configured the microcontroller to immediately echo all characters sent.
GitHub This is the best I can come up with to handle ncurses-style key presses (I\'m actually writing an alternative to ncurses for various reasons).
I guess I\'m not clear on what what the function of the getty/agetty/mgetty programs are on a linux/unix machine.I can start a shell on a tty with something like this:
I want to s开发者_运维知识库et a serial port in Linux to \"raw\" mode at 115200 baud. If I run the following program
I am working on a C program listening to the serial port running on an ARM Linux embedded device. Other sets of 开发者_StackOverflowdata work fine, but always when I send a particular set of data, th
Apparently this is almost a duplicate of \"Bad pipe filedescriptor when reading from stdin in python - Stack Overflow\"; however, I believe this case is slightly more complicated (and it is not Window
So i\'m working on a program, wich is vaguely going to resemble Br@y\'s Terminal, but running from the commandline in linux