<text-console>.playback-start filename
Starts generating bus traffic from a specified file filename. The file should consist of data and delay specifications in a "command: data" format. Examples: Delay: 0.345 will delay 345 milliseconds Hexdata: 72 6f 6f 74 0a will send the string "root\n" to the connected device. Unrecognised lines are ignored.
xterm-console
<text-console>.playback-stop