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Can you write to another terminal in ttyusb0?
I can write my commands to the terminal and get response from the other terminal within 300ms. there is no output. But when i echo “command” > /dev/ttyUSB0 and have cu open, I can see the echoed command and the response from the other terminal there. What am I missing?
Is there a way to echo from Ubuntu?
I want to echo something from my Ubuntu host to some device. It works well if I use putty or minicom. However, it doesn’t work if I do echo from the shell terminal:
Can you use echo from a Shell terminal?
However, it doesn’t work if I do echo from the shell terminal: From my device, I saw that the first letter of the cmd is received correctly while the second one received is ASCII bigger than 200. I also have tried to use the “stty” command to adjust the serial communication settings but didn’t help.
Can you send a serial command to echo?
I have a small LED matrix controlled by a display driver that accepts serial commands to update the display. I’m successfully controlling it via node with the node serial package, however I’d like to be able to update it with echo so that I can control it earlier in the boot up process with a shell script.
Why does ” cat ttyusb0 ” not produce output?
Disregard the answer about need to initiate USB connection – it’s already been initiated when you plugged in the device. If you just want to check if it’s working, use dd if=/dev/ttyUSB0. If you want to actually read those characters, you need serial terminal.
How to get bus and device relationship for a / dev / ttyUSB?
… which, of course, is the device. If you’d like, you can easily output something like busnum:001 devnum:011 with a few tweaks: Thanks for contributing an answer to Ask Ubuntu!
Can a Linux TTY work on a Raspbian?
I’m not very experienced with the Linux tty’s. My environment is a Raspbian with a prolific USB-serial. cu to /dev/ttyUSB0 works. I can write my commands to the terminal and get response from the other terminal within 300ms. there is no output.