Chipsee AM335X Manual de usuario

Industrial PC

Angstrom OS on AM335X

User Manual

For AM335X Products

Content can change at anytime, check documentation website for latest information.

www.chipsee.com

Contents

3Angstrom OS

41. Preparation

41.1. Hardware Requirements

41.2. Software Requirements

52. Getting Started and Tests

52.1. DIP Switch Conguration

52.2. Downloading Images

52.3. Prebuilt Files Package

72.4. How to make a bootable SD card

92.5. How to ash Linux to eMMC

112.6. Start Angstrom OS

122.7. Tests

122.7.1. Touch screen and buzzer test

132.7.2. Audio IO test

142.7.3. Serial test

172.7.4. GPIO test

192.7.5. Network

202.7.6. Date and Time

222.7.7. Backlight

232.7.8. USB device test

242.8. Modify OS Start up Logo

273. Angstrom OS debug

273.1. View Angstrom system via the serial port

283.2. Debug via NFS

304. Disclaimer

305. Technical Support

Chipsee IPC Page 2 of 30

Angstrom OS

Chipsee Angstrom OS User Manual

This manual provides users with a fast guide of Chipsee Industrial Computer (Abbreviated

as IPC) about Angstrom OS development. Through this manual, users can quickly

understand the hardware resources; users can debug Angstrom OS via serial and Internet.

SUPPORTED BOARDS:

CS80480T050 CS10600T070 CS10768T097

PREBUILT FILES PACKAGE:

Prebuilt les for the various industrial PCs can be found in the OS Downloads.

Below are the links to the prebuilt les for each industrial PC model.

CS80480T050

CS10600T070

CS10768T097

System Features

Revision Date Author Description

V1.0 2021-12-09 Randy Initial Version

•

Feature Comment

System Angstrom 2012

Angstrom OS on AM335X User Manual

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Preparation

You will need to prepare the following items before you can start using the Prebuilt Files

Package to re-ash the system.

Power Supply Unit (PSU) with the appropriate voltages, as follows:

Products with 5” display panel require 6V to 36V PSU

Products with 7” to 10.1” display panel and larger require 6V to 42V PSU

USB to serial cable for debugging Chipsee Industrial Embedded Computers (Chipsee

IPC)

TF Card to create a bootable storage for re-ashing the system. Use the prebuilt les

link above to re-ash the system.

Hardware Requirements

Chipsee Industrial PC

PSU according to the instructions above

USB-to-serial or other serial cable for debugging

TF Card (at least 4GB) and card reader

USB A-A cable (used only if the hardware congured as OTG)

Windows 7 PC

Software Requirements

Angstrom OS Prebuilt Files Package (from the link above)

•

Note

In this documentation, all the commands are executed with root user privileges.



Angstrom OS on AM335X User Manual Preparation

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Getting Started and Tests

DIP Switch Configuration

Set the boot DIP switch, as shown on the gure below, to boot the system from the external

SD Card.

Figure 781: Boot Mode Setup

Downloading Images

Chipsee IPC supports booting from an integrated eMMC or an external TF Card (also known

as the micro SD card). Booting from the external TF Card allows ashing the system OS.

Prebuilt Files Package

You can get the Prebuilt Files Package for each model from links mentioned at the

beginning of this documentation. You can also get the Prebuilt Files Package from the DVD

in /Angstrom/Prebuilds folder. However, it may be outdated so always compare the

versions (the last number in the lename is the release date).

The prebuilt package has the following content:

Note

The operator should use the prebuilt le we provided in the CD to test the hardware before re-ashing the system.



Contents Comment

boot/imx6ulipc.dtb TF Card boot dtb le

Angstrom OS on AM335X User Manual Getting Started and Tests

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Contents Comment

boot/u-boot.imx TF Card boot bootloader

boot/zImage TF Card boot kernel le

lesystem/rootfs-emmc-asher.tar.bz2 TF Card boot rootFS

mksdcard.sh Shell tools to make bootable TF Card

README Simple guidelines

S1.jpg Boot Switch Cong Figure

emmc-ash/emmc/rootfs.tar.gz RootFS in target eMMC

emmc-ash/emmc/u-boot.imx Bootloader in target eMMC

emmc-ash/emmc/zImage Kernel le in target eMMC

emmc-ash/emmc/imx6ul-eisd.dtb dtb le in target eMMC

emmc-ash/mkemmc.sh Shell tools to download images

Table 219 Prebuilt Files Package

Note

The default zImage and imx6q-sabresd.dtb les support ‘keep the logo from uboot to kernel’ but do not support

framebuer. Chipsee provides zImage_framebuffer and imx6q-eisd.dtb_framebuffer le versions that support

the framebuer function but do not support the ‘keep the logo from uboot kernel’ feature. If you need the framebufer,

just rename these two les to zImage and imx6q-eisd.dtb .



Angstrom OS on AM335X User Manual Prebuilt Files Package

Chipsee IPC Page 6 of 30

How to make a bootable SD card

The Prebuilt Files Package has a shell tool that can help create a bootable SD card using a

Linux platform (such as desktop PC or Virtual Machine running Ubuntu 14.04 distribution).

Use the SD Card to download the bootable system image onto the Linux platform and

follow the steps below to create a bootable SD card:

Copy the Prebuilt Files Package to a Linux environment (such as Ubuntu 14.04).

Insert the SD card into your computer. If you are using virtual machines, please ensure

the SD card is mounted to the Linux operating system.

Conrm the SD card mount point, /dev/sdX e.g., /dev/sdc or /dev/sdb , be sure

to use the right one). In a Linux system, you can use the command below to nd

out what X is.

Copy the prebuilt-angstrom-XXXXXX.tar.gz to somewhere(such as $HOME).

Extract the prebuilt-angstrom-XXXXXX.tar.gz

Go to the folder

Use the following command to ash the Angstrom OS to the SD card

The bootable SD Card is now ready. Power OFF the industrial PC and insert the SD Card.

Set the DIP switch to uSD BOOT mode. (refer to DIP Switch Conguration above)

Connect the industrial PC to PC via COM1. Power ON the IPC.

$ sudo fdisk –l

$ tar -xzvf prebuilt-angstrom-XXXXXX.tar.gz

$cd ~/prebuilt-angstrom-XXXXXX

$ sudo ./mksdcard.sh --device /dev/sd<?>

Note

sd<?> means the SD card mount point, (e.g., /dev/sdc or /dev/sdb ) in Ubuntu system.

The recommended SD card should be Sandisk Class4 level SD card or above.



•

10.

Angstrom OS on AM335X User Manual How to make a bootable SD card

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After 20 minutes, if the LED on industrial PC stays lit, ashing is completed. Using COM1,

you can also nd this message >>>>>>> eMMC Flashing Completed <<<<<<< which

indicates that the system image was downloaded correctly to the eMMC.

Power OFF the IPC and set the DIP switch to eMMC BOOT mode. (refer to DIP Switch

Conguration above)

11.

12.

Angstrom OS on AM335X User Manual How to make a bootable SD card

Chipsee IPC Page 8 of 30

How to flash Linux to eMMC

The Prebuilt Files Package has a shell tool that can help create a bootable SD card using a

Linux platform (such as desktop PC or Virtual Machine running Ubuntu 14.04 distribution).

Follow the steps below to create a bootable SD card:

Copy the Prebuilt Files Package to a Linux environment (such as Ubuntu 14.04).

Insert the SD card into your computer. If you are using virtual machines, please ensure

the SD card is mounted to the Linux operating system.

Conrm the SD card mount point, /dev/sdX e.g., /dev/sdc or /dev/sdb , be sure

to use the right one). In a Linux system, you can use the command below to nd

out what X is.

Copy the prebuilt le prebuilt-som-v3-csxxxxxtxx-v3-ezsdk-emmc-yyyymmdd.tar.gz to

somewhere(such as $HOME).

Extract the prebuilt le

prebuilt-som-v3-csxxxxxtxx-v3-ezsdk-emmc-yyyymmdd.tar.gz

Go to the folder prebuilt-som-v3-csxxxxxtxx-v3-ezsdk-emmc-yyyymmdd

Use the following command to ash the Angstrom OS to the SD card

The bootable SD Card is now ready. Power OFF the industrial PC and insert the SD Card.

Set the DIP switch to SD BOOT mode. (refer to DIP Switch Conguration above)

Connect the industrial PC to PC via COM1. Power ON the IPC.

$ sudo fdisk –l

$ tar -xzvf prebuilt-som-v3-csxxxxxtxx-v3-ezsdk-emmc-yyyymmdd.tar.gz

$cd ~/prebuilt-som-v3-csxxxxxtxx-v3-ezsdk-emmc-yyyymmdd

$ sudo ./mksdcard.sh --device /dev/sd<?>

Note

sd<?> means the SD card mount point, (e.g., /dev/sdc or /dev/sdb ) in Ubuntu system.

The recommended SD card should be Sandisk Class4 level SD card or above.



•

10.

Angstrom OS on AM335X User Manual How to ash Linux to eMMC

Chipsee IPC Page 9 of 30

After 20 minutes, if the LED on industrial PC stays lit, ashing is completed. Using COM1,

you can also nd this message >>>>>>> eMMC Flashing Completed <<<<<<< which

indicates that the system image was downloaded correctly to the eMMC.

Remove the SD card and Power OFF the IPC.

Set the DIP switch to eMMC BOOT mode (refer to DIP Switch Conguration above) and

Power ON the IPC.

11.

12.

13.

Angstrom OS on AM335X User Manual How to ash Linux to eMMC

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