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`/lib/firmware` `fpga.dtbo`
dtc -O dtb -o fpga.dtbo -b 0 -@ fpga.dts
{{{chip
mount -t configfs configfs /config
# /sys/kernel/config
mkdir /config/device-tree/overlays/test
echo fpga.dtbo > /config/device-tree/overlays/test/path
echo 1 > /sys/class/leds/fpga_led2/brightness
}}}
Demonstration/SoC_FPGA/DE10_Stardard_GHRD/fpga.dts
=== Send file ===
{{{sh
#!/bin/sh
sudo -l || exit 1
tmp=$(mktemp)
echo -n "$1 " | sudo tee /dev/ttyUSB0
base64 "$1" > $tmp
cat $tmp | wc -c | sudo tee /dev/ttyUSB0
cat $tmp |sudo tee /dev/ttyUSB0
md5sum "$1"
}}}
=== Recv file ===
{{{sh
#!/bin/sh
IFS=' ' filename bytes
dd bs=1 count=$bytes | base64 --decode > $filename
md5sum $filename
}}}
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