55 lines
1.1 KiB
Plaintext
55 lines
1.1 KiB
Plaintext
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#!/bin/sh
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prg=$(basename "$0")
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# parse arguments
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while getopts f:h optname
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do
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case $optname in
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f) port="$OPTARG" ;;
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*) help=1 ;;
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esac
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done
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shift `expr $OPTIND - 1`
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old="$1"
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new="$2"
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if [ -z "$old" -o "$help" = "-h" -o "$#" -gt 2 ]
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then
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echo "usage: $0 [-f <port>] <old dump> [<new dump>]" >&2
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echo "Convert <old dump> to instructions to update instructions." >&2
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echo "With <new dump>, generate instructions to update EEPROM changes only." >&2
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echo "Optionally write such changes directly if <port> if given." >&2
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exit 1
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fi
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set -e
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instr=$(mktemp)
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trap "rm -f \"$instr\"" EXIT
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convert()
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{
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sed -ne 's/^\([0-9a-f]\{4\}\) \([0-9a-f ]*\)$/D3 Ax\1 C16 X\2/p' "$@"
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}
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if [ -z "$new" ]; then
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# convert the instructions to updates
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convert "$old" > "$instr"
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else
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tmp1=$(mktemp)
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tmp2=$(mktemp)
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trap "rm -f \"$tmp1\" \"$tmp2\"" EXIT
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convert "$old" > "$tmp1"
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convert "$new" > "$tmp2"
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comm -13 "$tmp1" "$tmp2" > "$instr"
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fi
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# write the instructions if requested
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if [ -z "$port" ]; then
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cat "$instr"
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else
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printcore -v "$port" "$instr"
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fi
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