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#!/usr/bin/env sh
# Anduril / FSM MCU type detection script
# Copyright (C) 2014-2023 Selene ToyKeeper
# SPDX-License-Identifier: GPL-3.0-or-later
if [ -z "$1" ]; then
echo "Usage: detect-mcu.sh FILE"
echo 'or: eval $(detect-mcu.sh FILE)'
echo "Example: detect-mcu.sh hw/hank/emisar-d4/anduril.h"
echo "Figures out which MCU a build uses, and sets env vars for it"
exit
fi
TARGET=$1
while [ -n "$TARGET" ]; do
#echo "... $TARGET"
if [ -f "$TARGET" ]; then # use the dir/$UI.h file
ATTINY=$(grep 'ATTINY:' $TARGET | awk '{ print $3 }')
if [ -n "$ATTINY" ]; then
echo "export MCUNAME=attiny${ATTINY}"
echo "export MCU=0x${ATTINY}"
echo "export ATTINY=${ATTINY}"
echo "export MCUFLAGS=\"-DMCUNAME=attiny${ATTINY} -DMCU=0x${ATTINY} -DATTINY=${ATTINY}\""
exit
fi
else # use the dir/arch file
if [ -f "${TARGET}/arch" ]; then
MCU=$(head -1 "${TARGET}/arch")
if [ -n "$MCU" ]; then
NUM=$( echo "$MCU" | sed 's/^avr//; s/^attiny//;' )
echo "export MCUNAME=${MCU}"
echo "export MCU=0x${NUM}"
echo "export ATTINY=${NUM}"
echo "export MCUFLAGS=\"-DMCUNAME=${MCU} -DMCU=0x${NUM} -DATTINY=${NUM}\""
exit
fi
fi
fi
# move up one dir
# if target doesn't change here, exit to avoid infinite loop
FOO="$TARGET"
TARGET=$(dirname $TARGET)
[ "$FOO" = "$TARGET" ] && exit 1
done
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