Tagged Questions
3
votes
2answers
49 views
Reading from a serial interface
I have a serial device running which I need to read data from(I have absolutely no control over the device itself) except reading its output; using hyper terminal in Windows I am able to detect a ...
3
votes
3answers
1k views
cat corrupts serial port data
I have an application which writes some bytes to a serial port. When I do cat /dev/ttyS0 to see what is being transferred, I find that the data is corrupted by the cat command. Is there any other way ...
3
votes
1answer
505 views
Write data to both a file and a serial port — can I use tee?
I am trying to take the input from a serial port and write it to a file and also then read the file and send it back out the serial port to the host computer. A coworker suggested using the "tee" ...
5
votes
2answers
1k views
Unexpected results testing serial loopback using echo and cat
So I have a standard RS232 serial port that is looped back to itself by simply running a wire from Tx to Rx. I'm testing loopback by running echo and cat in two separate terminals:
cat /dev/ttyS1
...
