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37 lines
949 B
37 lines
949 B
#!/bin/bash
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set -e
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dev=/dev/usb/lp0
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image="$(./format_image.sh "$1" | base64)"
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data_header="$(echo "$image" | base64 -d | sed -n '2p')"
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data="$(echo "$image" | base64 -d | tail -n +3 | base64)"
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hex_size32() {
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printf '%08x' "$1" | sed -e 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/g'
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}
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hex_size() {
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printf '%04x' "$1" | sed -e 's/\(..\)\(..\)/\\x\2\\x\1/g'
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}
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size="$(echo "$data" | base64 -d | wc -c)"
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size="$(hex_size32 "$(("$size" + 10))")"
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size_x="$(hex_size "$(echo "$data_header" | cut -d' ' -f 1)")"
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size_y="$(hex_size "$(echo "$data_header" | cut -d' ' -f 2)")"
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./init_printer.sh
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# Upload graphics data
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printf '\x1D8L' > $dev
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printf "$size" > $dev
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printf '0p0' > $dev
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printf '\1\1' > $dev # bx, by (1 or 2)
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printf '1' > $dev # color
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printf "$size_x" > $dev # size x
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printf "$size_y" > $dev # size y
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echo "$data" | base64 -d > $dev
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# Print graphics data
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printf '\x1D8L\2\0\0\0' > $dev
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printf '02' > $dev
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./cut_paper.sh
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