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#!/bin/bash
#
# PSU hard reset (power cycle) script.
#
# Power cycle the entire tray by setting the PSU hotswap reset (GPIO218) to high
#
# Global variable: PSU_HARDRESET_DELAY specifies the number of seconds to wait
# before pulling the trigger. If not specified or zero, the script power cycles
# immediately.
main() {
# Sleep PSU_HARDRESET_DELAY seconds
local psu_delay=$((PSU_HARDRESET_DELAY))
if ((psu_delay > 0)); then
echo "Sleeping ${psu_delay} seconds before PSU hard reset!"
sleep "${psu_delay}"
fi
gpioset gpiochip6 26=1
}
# Exit without running main() if sourced
return 0 2>/dev/null
main "$@"
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