36 lines
605 B
Bash
Executable file
36 lines
605 B
Bash
Executable file
#!/usr/bin/env bash
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source "$(dirname $0)/.env"
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[[ -t 0 ]] && printf "Line 1> "; read LINE1
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[[ -t 0 ]] && printf "Line 2> "; read LINE2
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LED_BLINK=".5s"
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#DISPLAY_DURATION="4s"
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DISPLAY_DURATION="10s"
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if [[ ! -e $FIFO ]]; then
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echo "Error: $FIFO does not exist." >&2
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exit 2
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fi
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echo >$FIFO "CLS"
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if [[ -n $LINE1 ]]; then
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echo >$FIFO "LINE 1"
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echo >$FIFO "ECHO $LINE1"
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fi
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if [[ -n $LINE2 ]]; then
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echo >$FIFO "LINE 2"
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echo >$FIFO "ECHO $LINE2"
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fi
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echo >$FIFO "LCDON"
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echo >$FIFO "ON"
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gsleep $LED_BLINK
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echo >$FIFO "OFF"
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gsleep $DISPLAY_DURATION
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echo >$FIFO "LCDOFF"
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