mirror of https://github.com/Desuuuu/klipper.git
31 lines
937 B
Bash
31 lines
937 B
Bash
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#!/bin/bash
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# This script installs the PRU firmware on a beaglebone machine.
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if [ "$EUID" -ne 0 ]; then
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echo "This script must be run as root"
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exit -1
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fi
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set -e
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# Install new firmware
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echo "Installing firmware to /lib/firmware/"
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cp out/pru0.elf /lib/firmware/am335x-pru0-fw
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cp out/pru1.elf /lib/firmware/am335x-pru1-fw
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sync
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# Shutdown existing Klipper instance (if applicable). The goal is to
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# put the GPIO pins in a safe state.
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if [ -c /dev/rpmsg_pru30 ]; then
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echo "Attempting to shutdown existing firmware..."
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( echo "FORCE_SHUTDOWN" > /dev/rpmsg_pru30 ) 2> /dev/null || ( echo "Firmware busy! Please shutdown Klipper and then retry." && exit 1 )
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sleep 1
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( echo "FORCE_SHUTDOWN" > /dev/rpmsg_pru30 ) 2> /dev/null || ( echo "Firmware busy! Please shutdown Klipper and then retry." && exit 1 )
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sleep 1
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fi
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set +e
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# Restart the PRU
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echo "Restarting pru_rproc module"
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rmmod -f pru_rproc
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modprobe pru_rproc
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