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20 lines
535 B
Bash
20 lines
535 B
Bash
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#!/bin/bash
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#
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# Author : Gaston Gonzalez
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# Date : 16 April 2026
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# Purpose : Wrapper script for setting the system time using et-wwv
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#
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# Preconditions
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# 1. Supported radio and audio interface are connected and properly detected
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# 2. Radio is set to AM and a WWV frequency (2.5, 5, 10, 15, or 20 MHz)
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#
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# Postconditions
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# 1. System clock is aligned to the top-of-the-minute
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. /opt/emcomm-tools/bin/et-common
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exit_if_no_audio
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ALSA_DEVICE=$(/opt/emcomm-tools/bin/et-system-info et-audio-card)
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et-wwv -a --device "hw:${ALSA_DEVICE}"
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