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#!/bin/bash
#(c) Bernhard Tittelbach
if [ -z "$1" ]; then
IDS="03eb:204b"
else
IDS=$1
fi
WAIT_MAX=20
FOUND=0
DISAPPEARED=0
echo -n "Please double-tap GND to the RST pin"
i=$WAIT_MAX
while (test $i -gt 0); do
echo -n "."
for id in $IDS; do
lsusb -d $id > /dev/null 2>&1
if [ $? -eq 0 ]; then
FOUND=1
[[ $DISAPPEARED -eq 1 ]] && break;
else
[[ $FOUND -eq 1 ]] && DISAPPEARED=1;
fi
done
if [ $FOUND -eq 1 -a $DISAPPEARED -eq 1 ]; then
break;
fi
sleep 0.1
i=$(($i-1))
done
if [ $FOUND -eq 1 ]; then
echo " device found!"
sleep 1
else
echo " timout - trying anyway"
fi
exit 0
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