Enables Betaflight blackbox filesystem-mode, archives files, then erases blackbox (for MacOS)

blackboxPull.sh

### enables betaflight blackbox filesystem-mode, archives files, then erases blackbox (after manual power cycle)
# usage blackboxPull /dev/tty.my.serial [optional folder to output, default is pwd/logs]
function blackboxPull() {
  port="${1}";
  folder="${2:-logs}";
  [ -f "$port" ] || { echo "port \"$port\" doesn't exist!"; return 1; }
  { echo "#"; sleep 0.5; echo msc; } >> "$port"; ##enables cli then sends command for flash download
  sleep 4;
  echo "copying files to ${folder}";
  rsync -abvP --suffix="_$(date +"%Y%m%d%H%M")" /Volumes/BETAFLT/ "${folder}" --exclude btfl_all.bbl --exclude padding.txt --exclude autorun.inf --exclude icon.ico &&
  diskutil unmountDisk /Volumes/BETAFLT &&
  echo "power cycle, then hit return to erase blackbox" &&
  read &&
  { echo "#"; sleep 1; echo flash_erase; } >> "$port" || return 2; #enable cli, erase flash
  cat "$port"; #show erase progress
}


## only execute this if this script is directly called
if [[ "${BASH_SOURCE[0]}" = "${0}" ]]; then
  blackboxPull "${@}";
fi