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pru: Update installation and flash scripts

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Update the scripts used to install and "flash" the pru
micro-controller code.  Also, add a "flash" script for the linux
micro-controller code.  This makes it easier to install Klipper on a
Beaglebone board that uses a Replicape.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-08-14 11:44:06 -04:00
parent 16d2ec3a90
commit 5a85c1667a
5 changed files with 126 additions and 29 deletions
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18
scripts/flash-pru.sh
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@@ -13,18 +13,8 @@ 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
# Restart (if system install script present)
if [ -f /etc/init.d/klipper_pru ]; then
echo "Attempting PRU restart..."
service klipper_pru restart
fi
set +e
# Restart the PRU
echo "Restarting pru_rproc module"
rmmod -f pru_rproc
modprobe pru_rproc