#!/bin/sh
# postbuild.sh - multi-language support high-level script
#  for generating binary with secondary language
#
# Input files:
#  $OUTDIR/Firmware.ino.elf
#  $OUTDIR/sketch/*.o (all object files)
#
# Output files:
#  text.sym
#  $PROGMEM.sym (progmem1.sym)
#  $PROGMEM.lss (...)
#  $PROGMEM.hex
#  $PROGMEM.chr
#  $PROGMEM.var
#  $PROGMEM.txt
#  textaddr.txt
#
# Output folder and elf file:
OUTDIR="../../output"
OUTELF="$OUTDIR/Firmware.ino.elf"
#
# AVR gcc tools used:
OBJCOPY=C:/arduino-1.6.8/hardware/tools/avr/bin/avr-objcopy.exe
#
# Selected language:
LANG=$1
#if [ -z "$LANG" ]; then LANG='cz'; fi


function finish
{
 echo
 if [ "$1" == "0" ]; then
  echo "postbuild.sh finished with success" >&2
 else
  echo "postbuild.sh finished with errors!" >&2
 fi
 case "$-" in
  *i*) echo "press enter key"; read ;;
 esac
 exit $1
}

echo "postbuild.sh started" >&2

#check input files
echo " checking files:" >&2
if [ ! -e $OUTDIR ]; then echo "  folder '$OUTDIR' not found!" >&2; finish 1; fi
echo "  folder  OK" >&2
if [ ! -e $OUTELF ]; then echo "  elf file '$OUTELF' not found!" >&2; finish 1; fi
echo "  elf     OK" >&2
if ! ls $OUTDIR/sketch/*.o >/dev/null 2>&1; then echo "  no object files in '$OUTDIR/sketch/'!" >&2; finish 1; fi
echo "  objects OK" >&2

#run progmem.sh - examine content of progmem1
echo -n " running progmem.sh..." >&2
./progmem.sh 1 2>progmem.out
if [ $? -ne 0 ]; then echo "NG! - check progmem.out file" >&2; finish 1; fi
echo "OK" >&2

#run textaddr.sh - map progmem addreses to text identifiers
echo -n " running textaddr.sh..." >&2
./textaddr.sh 2>textaddr.out
if [ $? -ne 0 ]; then echo "NG! - check progmem.out file" >&2; finish 1; fi
echo "OK" >&2

#check for messages declared in progmem1, but not found in lang_en.txt
echo -n " checking textaddr.txt..." >&2
if cat textaddr.txt | grep "^ADDR NF"; then echo "NG! - some strings not found in lang_en.txt!"; finish 1; fi
echo "OK" >&2

#update progmem1 id entries in binary file
echo -n " extracting binary..." >&2
$OBJCOPY -I ihex -O binary $OUTDIR/Firmware.ino.hex ./firmware.bin
echo "OK" >&2

#update binary file
echo " updating binary:" >&2

#update progmem1 id entries in binary file
echo -n "  primary language ids..." >&2
cat textaddr.txt | grep "^ADDR OK" | cut -f3- -d' ' | sed "s/^0000/0x/" |\
 awk '{ id = $2 - 1; hi = int(id / 256); lo = int(id - 256 * hi); printf("%d \\\\x%02x\\\\x%02x\n", strtonum($1), lo, hi); }' |\
 while read addr data; do
  echo -n -e $data | dd of=./firmware.bin bs=1 count=2 seek=$addr conv=notrunc oflag=nonblock 2>/dev/null
 done
echo "OK" >&2

#update _SEC_LANG in binary file if language is selected
echo -n "  secondary language data..." >&2
if [ ! -z "$LANG" ]; then
 ./update_lang.sh $LANG 2>./update_lang.out
 if [ $? -ne 0 ]; then echo "NG! - check update_lang.out file" >&2; finish 1; fi
 echo "OK" >&2
 finish 0
else
 echo "skipped" >&2
fi

#convert bin to hex
echo -n " converting to hex..." >&2
$OBJCOPY -I binary -O ihex ./firmware.bin ./firmware.hex
echo "OK" >&2

finish 0