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