3 ms·

Tektronix oscilloscope screen capture with Bash

• a1o 3y ago
  > Here are the commands: > stty -F /dev/ttyUSB0 19200 raw parenb parodd > cat /dev/ttyUSB0 > /tmp/tekrecv > # in another terminal: > tail -f /tmp/tekrecv > Running these commands, we get these files with wildly varying sizes I think something is missing there or I don’t get how to get the different file formats with just these commands.
  • Const-me 3y ago
    The file formats are produced on another end of the RS232 cable. That particular oscilloscope can send screenshots over that cable, in various formats.
    • cue_the_strings 3y ago
      Exactly. You pick the format in the menu on the oscilloscope itself (the menu can be seen in the screencap).
  • cue_the_strings 3y ago
    Updated the article to clarify that you pick the format in the menu on the scope itself.