Quick helper script to detect the speed of the USB connection of connected Android devices

android-adb-usb-speed.sh

#!/bin/bash

# some helper vars
# https://unix.stackexchange.com/a/10065/138249
if test -t 1; then
  ncolors=$(tput colors)
  if test -n "$ncolors" && test $ncolors -ge 8; then
    bold=$(tput bold)
    normal=$(tput sgr0)
    success=$(tput setaf 2)
    failure=$(tput setaf 1)
  fi
fi


echo "Checking connected Android device USB Speeds"
echo ""

adb devices | while read line
do
    if [ ! "$line" = "" ] && [ `echo $line | awk '{print $2}'` = "device" ]
    then
        device=`echo $line | awk '{print $1}'`
        
        system_profiler SPUSBDataType 2> /dev/null \
            | awk '
                /Serial Number:/{p=$3}
                /Speed:/{x=$4$5}
                /Location ID:/{sub(/.*: /,""); printf("[%s] connected with speed up to: %s\n", p, x);}
            ' | while read line2
        do 
            if [[ ( ${line2} ==  "[${device}"* ) ]]; then
                device_model=$(adb -s "${device}" shell getprop ro.product.model)
                echo ${bold}${device_model}${normal} ${line2}
            fi
        done

    fi
done

echo ""