Absolute sleep
[mirrors/Programs.git] / bash / scan_tty.sh
CommitLineData
2966005d
TM
1#!/bin/bash
2
3scan_tty() {
4 port="$1"
5 rate="$2"
6 timeout 1 cat < "$port" >/dev/null;
7 stty -F "$port" "$rate" cs8 cread clocal
8 timeout 1 cat < "$port" >/dev/null;
9 (
10 banner="$(timeout 7 cat < "$port" | tr '\r\n[:cntrl:]' '...' | grep -i '[a-z0-9]' )"
11 [ -n "$banner" ] && echo -e "$port $rate:\t$banner"
12 #echo "$port:$rate:$banner"
13 ) &
14 stty -F "$port" "$rate" cs8 cread clocal
15 sleep 1
16 #Windows newlines are fore HP ProCurve Switches...
17 #echo -ne '\x03\r\n\x04\x03\r\n\r\n\r\n' > "$port"
18 echo -ne '\x03\r\n\x04\x03' > "$port"
19 sleep 3
20 echo -ne '\r\n\r\n\r\n' > "$port"
21 wait
22}
23
24printf '\033[?7l'
25for port in /dev/ttyUSB*; do
26 for rate in 115200 38400; do
27 #echo -ne "\r$port:$rate: "
28 banner="$(scan_tty "$port" "$rate")";
29 [ -n "$banner" ] && echo "$banner";
30 echo "$banner" | egrep -i 'linux|root|login|password|user|connect|invalid' >/dev/null && break;
31 done &
32done;
33wait
34printf '\033[?7h'
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