Xilinx notes

ressources

https://forums.xilinx.com/t5/Adaptive-Computing-Challenge/bd-p/ACC_2020
machine learning tutorial: https://github.com/Xilinx/Vitis-In-Depth-Tutorial/blob/master/Machine_Learning/Introduction/README.md
VART, compile pretrained models https://github.com/Xilinx/Vitis-AI/tree/master/VART
gstereamer for read video https://www.e-consystems.com/blog/camera/getting-started-with-xilinx-zynq-ultrascale-mpsoc-zcu104-evaluation-kit-and-see3cam_cu30_chl_tc_bx/
vitis ai docuementation https://china.xilinx.com/html_docs/vitis_ai/1_2/setupevaluationboard.html#yjf1570690235238
pdf with instruction https://www.xilinx.com/support/documentation/sw_manuals/vitis_ai/1_2/ug1414-vitis-ai.pdf
neural networks pretrained, detect sign https://github.com/Xilinx/BNN-PYNQ
yolo https://github.com/Xilinx/QNN-MO-PYNQ/blob/master/notebooks/tiny-yolo-image.ipynb

config - zynq

zynq image doesn’t not have configuration for usb0 internet connection so you can either do a temp config

temp configuration

usb modem up

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qle
   link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
   inet 127.0.0.1/8 scope host lo
      valid_lft forever preferred_lft forever
   inet6 ::1/128 scope host
      valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
   link/sit 0.0.0.0 brd 0.0.0.0
3: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN group default qlen 10
   link/can
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default q
   link/ether 00:0a:35:05:63:47 brd ff:ff:ff:ff:ff:ff
   inet 192.168.2.99/24 brd 192.168.2.255 scope global eth0:1
      valid_lft forever preferred_lft forever
   inet6 fe80::20a:35ff:fe05:6347/64 scope link
      valid_lft forever preferred_lft forever
6: usb0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
   link/ether e6:2e:a6:96:38:21 brd ff:ff:ff:ff:ff:ff

 sudo ifconfig usb0 up

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qle
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
3: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN group default qlen 10
    link/can
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default q
    link/ether 00:0a:35:05:63:47 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.99/24 brd 192.168.2.255 scope global eth0:1
       valid_lft forever preferred_lft forever
    inet6 fe80::20a:35ff:fe05:6347/64 scope link
       valid_lft forever preferred_lft forever
6: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN gr
    link/ether e6:2e:a6:96:38:21 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::e42e:a6ff:fe96:3821/64 scope link
       valid_lft forever preferred_lft forever

sudo dhclient usb0

xilinx@pynq:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qle
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
3: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN group default qlen 10
    link/can
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default q
    link/ether 00:0a:35:05:63:47 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.99/24 brd 192.168.2.255 scope global eth0:1
       valid_lft forever preferred_lft forever
    inet6 fe80::20a:35ff:fe05:6347/64 scope link
       valid_lft forever preferred_lft forever
6: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN gr
    link/ether e6:2e:a6:96:38:21 brd ff:ff:ff:ff:ff:ff
    inet 192.168.42.253/24 brd 192.168.42.255 scope global usb0
       valid_lft forever preferred_lft forever
    inet6 fe80::e42e:a6ff:fe96:3821/64 scope link
       valid_lft forever preferred_lft forever

Permanent config

#/etc/network/interfaces.d/usb0

auto usb0
iface usb0 inet dhcp

config petalinux

add static ip

#/etc/network/interfaces
auto eth0
iface eth0 inet dhcp

auto eth0:1
iface eth0:1 inet static
address 192.168.2.99
netmask 255.255.255.0

create user

useradd -m -s /bin/bash -d /home/xilinx xilinx
passwd xilinx

 udhcpc -i usb0

install packages

There are no repositories enabled by default, you have to add it your self

Here’s an example to install XRT 2020.1 PU1 for ZCU104.

Execute the following scripts on target embedded system

Install dnf repository description

cd /etc/yum.repos.d
wget http://petalinux.xilinx.com/sswreleases/rel-v2020/generic/rpm/repos/zynqmp-generic_ev.repo
wget http://petalinux.xilinx.com/sswreleases/rel-v2020/generic-updates/rpm/repos/zynqmp-generic_ev-update.repo
# Clean dnf local cache
dnf clean all
# Install XRT and zocl
dnf install xrt
dnf install zocl

install pnyq

466 dnf install python3-pandas

469 dnf install libdrm-dev kk 495 cp /usr/include/libdrm/drm_mode.h /usr/lib/gcc/aarch64-xilinx-linux/9.2.0/include/ 496 cp /usr/include/libdrm/drm.h /usr/lib/gcc/aarch64-xilinx-linux/9.2.0/include/ 565 cp libxlnk_cma.h /usr/lib/gcc/aarch64-xilinx-linux/9.2.0/include/ 497 sudo pip3 install –upgrade –upgrade-strategy only-if-needed pynq

petalinux

create petalinux image https://www.hackster.io/adam-taylor/create-an-image-processing-with-petalinux-in-1-hour-or-less-391170