pi@raspberrypi:/home $ sudo bash main.sh
%st%sn 0 Bus 001 Device 004: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
%st%sn 1 Bus 001 Device 005: ID 1a2c:0e24 China Resource Semico Co., Ltd
%st%sn 2 Bus 001 Device 006: ID 0424:7800 Standard Microsystems Corp.
%st%sn 3 Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
%st%sn 4 Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
%st%sn 5 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Target device:

%st%sn 1 Bus 001 Device 005: ID 1a2c:0e24 China Resource Semico Co., Ltd
pi@raspberrypi:/home $

#!/bin/bash

usbArray=()
while IFS= read -r line; do
    usbArray+=( "$line" )
done < <( lsusb )


for i in "${!usbArray[@]}"; do

  echo "%st%sn" "$i" "${usbArray[$i]}"

done

echo ""
echo "Target device:"
echo ""

for i in "${!usbArray[@]}"; do

  if [[ ${usbArray[$i]} == *"China Resource Semico"* ]]; then
    echo "%st%sn" "$i" "${usbArray[$i]}"
  fi

done

1.read master version
sent: 5A 00 00 0d 0a 71
reply: A5 00+ "MASTER-FW:v1.0rn" + CS