Avnet i.MX 8M Plus Bedienungsanleitung
1
i.MX 8M Plus
Edge AI Kit
Linux Yocto User Manual
V1.0
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
http://avnet.me/imx8mplus-edgeai 2
Copyright Statement:
•The Edge AI Kit and its related intellectual property are owned by Avnet Manufacturing
Services.
•Avnet Manufacturing Services has the copyright of this document and reserves all rights.
Any part of the document should not be modified, distributed or duplicated in any approach
and form without the written permission issued by Avnet Manufacturing Services.
Disclaimer:
•Avnet Manufacturing Services does not take warranty of any kind, either expressed or
implied, as to the program source code, software and documents provided along with the
products, and including, but not limited to, warranties of fitness for a particular purpose; The
entire risk as to the quality or performance of the program is with the user of products.
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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Contents
Revision History......................................................................................................................... 3
Chapter 1 Introduction................................................................................................................. 6
1.1 Target Board..................................................................................................................6
1.2 Introduction ...................................................................................................................6
1.3 Feature List ...................................................................................................................7
Chapter 2 System Boot-Up ......................................................................................................... 8
2.1 Preparation....................................................................................................................8
2.1.1 Required Hardware ...........................................................................................8
2.1.2 Hardware Preparation .......................................................................................8
2.1.3 Set up debug using RS-232 cable .................................................................... 9
2.1.4 Software Tools Preparation .............................................................................10
2.2 Booting the Edge AI Kit............................................................................................... 11
2.2.1 Boot mode selection........................................................................................ 11
2.2.2 Boot from SD Card .......................................................................................... 12
Chapter 3 Feature Configuration .............................................................................................. 14
3.1 Device Tree Overlays..................................................................................................14
3.1.1 Available Device Tree overlays ....................................................................... 14
3.1.2 Selecting the device tree blobs in U-Boot ....................................................... 15
3.2 Display Output............................................................................................................. 15
3.2.1 HDMI Display................................................................................................... 15
3.2.2 LVDS Display................................................................................................... 16
3.3 AP1302 and Cameras.................................................................................................16
3.3.1 Default Camera Streaming..............................................................................17
3.3.2 SMARC AP1302 Configuration .......................................................................17
3.3.3 Configure Dual vs Single Image Sensors ....................................................... 17
3.3.4 Configure other onsemi image sensors .......................................................... 18
3.3.5 Troubleshooting Cameras ............................................................................... 18
3.4 V4L Commands .......................................................................................................... 20
Chapter 4 Software ................................................................................................................... 21
4.1 eIQ............................................................................................................................... 21
4.1.1 eIQ inference runtime overview for i.MX8M+.................................................. 21
4.1.2 Tensorflow Lite................................................................................................. 21
Chapter 5 Appendix .................................................................................................................. 25
5.1 Hardware Documents .................................................................................................25
5.2 Software Documents...................................................................................................25
5.3 Linux System Image and Application Development ................................................... 25
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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5.3.1 Out of box System Image................................................................................ 25
5.3.2 Yocto BSP........................................................................................................ 25
5.3.3 eIQ ................................................................................................................... 25
5.4 Contact Information...................................................... Error! Bookmark not defined.
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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Chapter 1 Introduction
1.1 Target Board
Edge AI Kit is a development board developed by Avnet, based on the i.MX 8M+ processor from
NXP.
1.2 Introduction
This document provides a guide to prepare Edge AI Kit to boot up with the Verified Linux
Package and introduces how to use the supported functions.
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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1.3 Feature List
•Yocto version: Hardknott
•U-Boot version: 2021.04
•Kernel version: 5.10.35
•Evaluation image: Yocto Image
•Remote Ethernet boot / eMMC boot
•Device-tree overlay support
•Desktop (Weston 9.0)
•2 x Gigabit Ethernet (IEEE 1588, 1x with TSN)
•2 x USB 3.0 Host + 2 x USB 2.0 Host + 1 x USB 2.0 OTG
•4 UART (TTL) including debug port
•External interfaces (I2C, UART, SPI, CAN, RS232 and GPIO)
•LVDS Display, HDMI 2.0
•I2S Audio
•MIPI-CSI Camera
•H.265/4 encode / decode
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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Chapter 2 System Boot-Up
2.1 Preparation
2.1.1 Required Hardware
I addition to the kit hardware, you will need:
•SD card (8GB-64GB)
For debugging and interacting with the board:
•A D-SUB 9-pin “null-modem” (Tx/Rx crossed) cable
•An RS-232 to USB cable (if your PC doesn't have a native serial port)
Alternatively, you can use a USB keyboard and mouse and an HDMI display.
2.1.2 Hardware Preparation
You'll need a small phillips screwdriver to complete the following steps:
1. Plug the Avnet i.MX 8M Plus SMARC SOM into the EP5 carrier board at an angle,
and then push down so it rests flat on the standoffs.
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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2. Use the provided screws to attach the heat sink to the Avnet i.MX 8M Plus SMARC
SOM.
3. Connect the 12 volt, 3 amp power connector to the board, but do not plug it in yet.
4. Carefully, use the flat foil cable (FFC) to connect the SMARC EP5 carrier board to the
Avnet Dual IAS Camera adapter. Use provided standoffs to mount the camera
adapter.
2.1.3 Set up debug using RS-232 cable
If debugging using the RS-232 cable:
•Connect the RS-232 breakout cable to X1102 on the Edge AI Kit
Edge AI Kit-Linux-Yo cto-User-Manual-v1.0
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•Connect the D-SUB 9-pin “null-modem” cable to the RS-232 breakout cable on the EP5
side
•The other end of the D-SUB 9-pin cable goes to your development computer
•If your PC doesn’t have a native Serial Port, you can use a USB-to-Serial adapter.
2.1.4 Software Tools Preparation
Install Tera Term terminal software
•For Windows-based command-line debug output and command entry, the use of Tera Term
terminal software is recommended
•Download and install teraterm-***.exe and configure the relevant COM port as shown
below:
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