Wordclock/os/bl_readMAC.sh

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#!/bin/bash
if [ $# -ne 1 ]; then
echo "One parameter required: the device of the serial interface"
echo "$0 <device>"
echo "e.g.:"
echo "$0 ttyUSB0"
exit 1
fi
DEVICE=$1
echo "Read the MAC address from bootloader"
./esptool.py --port /dev/$DEVICE read_mac