SBC8530 Quick User Manual_图文-USB迷|专注于互联网分享

2024年10月25日发(作者：初沛凝)

SBC8530

Integrated with LCD, USB, CCD/COMS, Audio input/output, HDMI, S-video, Ethernet,

Serial port, TF card interface based on 32-bit microcontroller

Quick Operation Manual

 SBC8530, CAM8000-A, CAM8000-D, GPRS8000-S, GPS8000-S,

WCDMA8000-U, CDMA8000-U, WF8000-U, CAM8100-U, VGA8000 are

authorized by Embest Technology Co., Ltd.

 DM3730 are authorized by TI.

 Sourcery G++ Lite for ARM GNU/Linux is authorized by Codesourcery.

 Microsoft, MS-DOS, Windows, Windows95, Windows98, Windows2000 and

Windows embedded CE 6.0 are authorized by Microsoft.

Important statements

Embest has ownership and rights to the use of this Document.

Information in the Document is within the protection of copyright. Unless

specifically allowed, any part of this Document should not be modified, issued or

copied in any manner or form without prior written approval of Embest.

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Version update records:

Version

1.0

2.0

Date

2011.9.15

2012.12.19

Description

Original version

Add LVDS support and change the Linux display

configuration method

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Contact:

If you want to order products from Embest, please contact Marketing Department:

Tel:+ 86-755-25635626-863/865/866/867/868

Fax: +86-755-

25635626-666

E-mail: market@

If you want to get technical assistance from Embest, please contact Technical Assistance

Department:

Tel: +86-755-25635626-872/875/897

E-mail: support@

URL: or

Address: Tower B 4/F, Shanshui Building, Nanshan Yungu Innovation Industry Park,

Liuxian Ave. No. 1183, Taoyuan St., Nanshan District, Shenzhen, China (518055)

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Contents

1. Overview .......................................................................................................................... 6

1.1 Getting Started Quickly ........................................................................................... 8

1.2 Development suite .................................................................................................. 9

2 Quick establishment of development environment ........................................................ 11

2.1 Establishment of hardware environment .............................................................. 11

2.2 Establishment of Software Environment .............................................................. 12

2.2.1 Preparation of Windows XP system environment ..................................... 12

2.2.2 Notes of operating system image file .............................. 错误!未定义书签。

3 Handover and quick use of operating system ................................................................ 14

3.1 Quick operation of Linux system .......................................................................... 15

3.1.1 Boot-up from TF card ................................................................................. 15

3.1.2 Boot-up from NAND Flash ......................................................................... 19

3.2 Quick operation of WinCE system ....................................................................... 22

3.2.1 Boot-up from TF card ................................................................................. 22

3.2.2 Boot-up from NAND Flash ......................................................................... 25

3.3 Quick operation of Android system ...................................................................... 25

Technical support & Warranty Service ............................................................................... 29

Technical support service ........................................................................................... 29

Maintenance service clause ....................................................................................... 30

Basic notice to protect and maintenance LCD ........................................................... 31

Value Added Services ................................................................................................. 32

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Chapter 1 Overview

The primary purpose of this Document is to enable the user to know the development

environment of software and hardware of SBC8530 quickly, and help the user to get into

the product development or learning stage faster.

1) This Document mainly has the following parts:

 How to use documents and CD data quickly;

 Description on hardware components of the evaluation board and suite

configuration;

 Description on default configuration of software and hardware of the evaluation

board;

 Quick establishment of the development environment of the evaluation board;

 Linux/WinCE/Android different operating system fast start method and fast use;

2) Factory default configuration of SBC8530 evaluation board

Factory-setting parameters of software:

 SBC8530 evaluation board preferably boots from TF card by default, and boots

from NAND Flash if no TF card is inserted.

 NAND Flash is installed by default with linux2.6.32 operating system and the

default display device is 4.3-inch screen.

 TF card is installed by default with WinCE6.0 operating system.

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3) SBC8530 optional modules list:

Modules

VGA8000

WF8000-U

CAM8000-A

CAM8000-D

CAM8100-U

CDMA8000-U

GPS8000-S

GPRS8000-S

WCDMA8000-U

LVDS8000

Linux

YES*

Android

YES#

YES*

WinCE

YES*

YES#

YES*

YES#

YES*

YES#

YES*

Notes

Provided with CD-ROM on

Development board

Provided with CD-ROM

Separately

Provided with CD-ROM on

Development board

Download here

Provided with CD-ROM

Separately

Download here

Available in DVD-ROM and

on website

Table 1-1

*=Provide source, #=Does not provide source

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1.1 Getting Started Quickly

This section will tell the user how to understand and use SBC8530 better and faster

through this SBC8530 Quick User Manual. For more information please refer to the listed

document and location.

For hardware development:

Hardware

system

CPU

Datasheet

Schematic

diagram of

SBC8530

Dimensional

drawing of

SBC8530

Introduce CPU, expanded chip

and hardware interface

Know principle and

configuration of DM37x

Know hardware principle of

SBC8530

Refer to the actual dimensions

of SBC8530 to bring

convenience for opening die

User Manual->Chapter 2 Hardware

System

CD->HW designdatasheetCPU

CD->HW designschematic

User Manual->Appendix->Appendix

For software development:

Establish

testing

environment

Test

functionality of

interface

DEMO

demonstration

To connect with external

hardware devices, set serial

port terminals and boots the

system

Test the interface of the board

carrier through the operating

system

Quick Operation Manual->2 Quick

establishment of development

environment

3 Handover and quick use of

operating system

User Manual ->3.8.2 Various Tests

scenario

User Manual->3.8.3.1 Android

Establish a DEMO

Demonstration System

demonstration system (Android,

3.8.3.2 DVSDK

DVSDK)

Demonstration System

Linux developing and

compilation environment

User Manual -> 3.4.1 Establishing

operating system development

environment

User Manual->4.4.1 Installation of

IDE

4.4.2 Extract BSP

and project files to IDE

User Manual->3.4.2 System

Compilation

Establish

developing and

compilation

WinCE developing and

environment

compilation environment

Recompile

system image

Recompile Linux system image

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Recompile WinCE system

image

Refer to introduction of Linux

driver and related driver

development process

Refer to introduction of WinCE

driver and related driver

development process

User Manual->4.4.3 Sysgen & BSP

Compilation

User Manual->3.5 Driver

Introduction

3.6 Driver

Development

User Manual -> 4.4.4 Driver

Introduction

Software

development

For marketing:

Hardware

system

CPU feature, board carrier

interface data

Know basic Linux software

components and features, and

purpose of compilation tool

Know basic WinCE software

components and features, and

purpose of compilation tool

Refer to the actual dimensions

of SBC8530 to bring

convenience for opening die

Establish a DEMO

demonstration system

(Android, DVSDK)

User Manual->Chapter 2 Hardware

System

User Manual->3.2 Software

Resources

3.3 Software Features

User Manual->4.2 Software

Resources

4.3 Software Features

User Manual->Appendix->Appendix I

User Manual->3.8.3.1 Android

Demonstration System

3.8.3.2 DVSDK

Demonstration System

About Linux /

WinCE

software

Dimensional

drawing of

SBC8530

DEMO

demonstration

For learning personnel:

It is suggested to browse each section in each chapter of this Manual in order.

1.2 Development suite

SBC8530 provides two configuration modes, namely, standard configuration and full

configuration, the specific accessories for configuration are as follows:

Standard configuration

 SBC8530 evaluation board

 2GB TF card

 Serial cable(DB9-to-DB9)

 5V@2A power adapter

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 USB main data line ( type A male to type mini-B male)

 USB slave data line (type A female to type mini-A male)

 Cross Ethernet cable

 HDMI to DVI-D cable

 S-Video cable

 WIFI antenna

Full configuration

 Standard configuration of SBC8530 evaluation suite

 4.3-inch LCD display screen or 7-inch display screen (with touch screen)

Assorted DVD CD

 SBC8530 Quick Operation Manual

 SBC8530 User Manual

 Schematic Diagram of SBC8530 Hardware, Board Carrier Chip Datasheet

 Development Kit of SBC8530 Software (Linux/WinCE/Android）

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Chapter 2 Quick establishment of

development environment

2.1 Establishment of hardware environment

Figure 2-1

Please establish the hardware environment according to the following steps:

1) Connect serial port for communication

Use serial cable to connect the debugger serial port and PC serial port of SBC8530.

2) Connect TFT-LCD

Connect your 4.3-inch / 7-inch TFT-LCD to the TFT-LCD interface J401.

3) Insert TF card

If you want to boot and operate WinCE6.0 operating system from TF card, please insert

the TF card into the TF card slot CON301 of SBC8530; otherwise, you may not insert the

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TF card.

4) Connect the 5V power adapter to the evaluation board

2.2 Establishment of Software Environment

2.2.1 Preparation of Windows XP system environment

Before boot-up of SBC8530, you need to establish a HyperTerminal on PC, follow

the below process in order to setup Hyper Terminal connection:

1) Windows XP -> Start -> All Programs -> Accessories -> Communication -> Hyper

Terminal. Find the HyperTerminal, as shown in the following picture:

Figure 2-2

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2) Establish HyperTerminal connection and give commands:

Figure 2-3

3) Select the specific serial port from the list as per your computer COM port

configuration:

Figure 2-4

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4) Set parameters for serial port connection as follows:

Figure 2-5

5) So we have successfully established a Hyper Terminal connection with PC serial port:

Figure 2-6

Chapter 3 Handover and quick use of

operating system

SBC8530 supports three operating systems, Linux 2.6.32, WinCE6.0 and Android. This

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chapter mainly introduces how to handover among different operating systems and how to

use from TF card and NAND Flash.

3.1 Quick operation of Linux system

3.1.1 Boot-up from TF card

Assorted TF card of SBC8530 is installed by default with WinCE6.0 operating system.

Boot-up from TF card, Follow the following steps to:

1) The formatting of MMC/SD card

We recommend to use HP USB Disk Storage Format Tool 2.0.6 to format the Tf card, you

can download this tool from this link:

/english/download/

Follow the followwing steps to format TF card:

a) Insert TF card into the PC card reader.

b) Open HP USB Disk Storage Format Tool, a new format window will pop up as

below:

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Figure 3-1

c) Select “FAT32” format.

d) Click “Start”.

e) Wait to finish formatting, once completed click “OK”.

Please do not use this formatting tool if you use a TF card with partitions,

2) Load kernel image file

Copy all files under the directory linux/image to the TF card. Connect the TF card, power

on and boot it, the serial port information will be displayed as follows:

Using 4.3-inch LCD output as default, if you want to use other display

devices, please refer to [3.8.1 choose the display device] set display mode

as it will clear partitions of the TF card.

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Texas Instruments X-Loader 1.47 (Feb 17 2011 - 17:33:15)

SBC8530 xM Rev A

Starting X-loader on MMC

Reading boot sector

1153472 Bytes Read from MMC

Starting OS Bootloader

Starting

U-Boot 2010.06-rc1-svn ( 3鏈?04 2011 - 10:18:34)

OMAP34xx/35xx-GP ES2.0, CPU-OPP2 L3-165MHz

OMAP3 SBC8530 board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

SBC8530 xM Rev A

Die ID #22e800211e3000000158ed8408008020

Net: dm9000

Hit any key to stop autoboot: 0

mmc1 is available

reading

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** Unable to read "" from mmc 0:1 **

reading uImage

2645364 bytes read

reading

7686374 bytes read

Booting from mmc ...

## Booting kernel from Legacy Image at 80300000 ...

Image Name: Linux-2.6.32

Image Type: ARM Linux Kernel Image (uncompressed)

Data Size: 2645300 Bytes = 2.5 MiB

Load Address: 80008000

Entry Point: 80008000

Verifying Checksum ... OK

Loading Kernel Image ... OK

Starting kernel ...

Uncompressing

.......................... done, booting the kernel.

Linux version 2.6.32 (luofc@TIOP) (gcc version 4.4.0 (GCC) ) #1 Mon Mar 14

10:08:34 CST 2011

………

Remounting root

mount: mounting /dev/root on / failed: Invalid argument

root: mount: mounting rootfs on / failed: No such file or directory

root: mount: mounting usbfs on /proc/bus/usb failed: No such file or directory

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Setting up IP spoofing protection: rp_filter.

Configuring udhcpc (v1.11.3) started

udhcpc: sendto: Network is down

INIT: Entering runlevel: 5

Starting syslogd/klogd: done

.-------.

| | .-.

| | |-----.-----.-----.| | .----..-----.-----.

| | | __ | ---'| '--.| .-'| | |

| | | | | |--- || --'| | | ' | | | |

'---'---'--'--'--. |-----''----''--' '-----'-'-'-'

-' |

'---'

The Angstrom Distribution SBC8530 ttyS2

Angstrom 2008.1-test-20090127 SBC8530 ttyS2

SBC8530 login:root

HyperTerminal displays above information to indicate that it is successful to boot Linux

system from TF card.

3.1.2 Boot-up from NAND Flash

SBC8530 evaluation board default NAND Flash is installed with Linux system, and the

default display is 4.3” LCD. Linux system can be booted without connecting TF card once

it’s powered on or reset.

If the user is using the 7-inch LCD or other display device which SBC8530 supports, you

need to change the uboot parameter as per user manual section 3.8.1 Choose the display

device.

If you want to update the image in NAND Flash, follow the following steps:

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1) Preparation

a) Format the TF card as FAT or FAT32 file system through HP USB Disk Storage

Format Tool 2.0.6.

b) Copy all the image files under /linux/image of the CD to the TF card

2) Update

a) Insert the TF card which contains the system images into the development board,

and then connect power supply. Press any key on keyboard to enter the u-boot

when a message "Hit any key to stop autoboot" appears:

Texas Instruments X-Loader 1.47 (Jan 26 2011 - 08:37:12)

SBC8530 xM Rev A

Starting X-loader on MMC

Reading boot sector

1153472 Bytes Read from MMC

Starting OS Bootloader

Starting

U-Boot 2010.06-rc1 (10 27 2011 - 10:20:37)

OMAP34xx/35xx-GP ES2.0, CPU-OPP2 L3-165MHz

OMAP3 SBC8530 board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

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SBC8530 xM Rev A

Die ID #22e800211e3000000158ed8408008020

Net: dm9000

Hit any key to stop autoboot: 0 （Here press any key to enter u-boot）

b) After entering the u-boot command line, input “run updatesys” from the PC

keyboard, to start to update process of the system:

OMAP3 SBC8530 # run updatesys

NAND erase: device 0 whole chip

Erasing at 0x1ffe0000 -- 100% complete.

mmc1 is available

reading _for_NAND

10912 bytes read

HW ECC selected

NAND write: device 0 offset 0x0, size 0x2aa0

12288 bytes written: OK

reading

1153472 bytes read

SW ECC selected

NAND write: device 0 offset 0x80000, size 0x1199c0

1155072 bytes written: OK

reading uImage

2645364 bytes read

SW ECC selected

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NAND write: device 0 offset 0x280000, size 0x285d74

2646016 bytes written: OK

reading

14680064 bytes read

SW ECC selected

NAND write: device 0 offset 0x680000, size 0xe00000

14680064 bytes written: OK

OMAP3 SBC8530 #

c) At this time, flickering of LED lamp on the board indicates that update process

has been finished; remove TF card and just need to reboot it.

d) Using 4.3-inch LCD output as default, if you want to use other display devices,

please refer to [3.8.1 choose the display device] set display mode.

3.2 Quick operation of WinCE system

TF card in the SBC8530 evaluation board suite is installed by default with WinCE6.0

operating system.

3.2.1 Boot-up from TF card

1) Format TF card

Please refer to contents of 3.1.1 Format TF Card.

1) Copy runtime image

 Copy MLO, 0 and image files Locate in

CDWINCE600image to the TF card.

2) Boot system

Insert TF card and reboot the system. And then, the system boots from TF card. Press the

space button enter eboot menu, type [A] to select the LCD / DVI display output, and then

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type [0] to boot the HyperTerminal will display boot message as below:

Texas Instruments Windows CE SD X-Loader for EVM 3730

Built Sep 8 2011 at 16:59:14

Version BSP_WINCE_ARM_A8 1.01.00.03

open 0 file

Init HW: controller RST

SDCARD: reqested speed 1000000, actual speed 1000000

SDCARD: reqested speed 25000000, actual speed 19200000

jumping to ebootsd image

Microsoft Windows CE Bootloader Common Library Version 1.4 Built Sep 8 2011

09:46:18

Texas Instruments Windows CE EBOOT for OMAP35xx/37xx, Built Sep 8 2011 at

16:59:01

EBOOT Version 0.0, BSP BSP_WINCE_ARM_A8 1.01.00.03

TI OMAP3730 Version 0x00000012 (ES1.2)

TPS659XX Version 0x30 (ES1.3)

System ready!

Preparing

INFO:

Checking bootloader blocks are marked as reserved (Num = 14)

WARN: Boot config wasn't found, using defaults

INFO: SW4 boot setting: 0x2f

OS partition does not exist!!

Flash format complete!

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>>> Forcing cold boot (non-persistent registry and other data will be wiped) <<<

Hit space to enter configuration

Init HW: controller RST

SDCARD: reqested speed 1000000, actual speed 1000000

SDCARD: reqested speed 25000000, actual speed 19200000

BLSDCardReadLogo: cannot open

BL_IMAGE_TYPE_BIN

Download file information:

-----------------------------------------------------------

[0]: Address=0x80002000 Length=0x01a1c86c Save=0x80002000

-----------------------------------------------------------

Download file type: 1

.......................................................................................................................................

....................................................................................rom_offset=0x0.

..ImageStart = 0x80002000, ImageLength = 0x1A1C86C, LaunchAddr = 0x80012248

Completed file(s):

-------------------------------------------------------------------------------

[0]: Address=0x80002000 Length=0x1A1C86C Name="" Target=RAM

ROMHDR at Address 80002044h

Launch Windows CE image by jumping

Windows CE Kernel for ARM (Thumb Enabled) Built on Oct 20 2009 at 18:39:19

OAL: CPU revision 0x12:DM3730

OAL: CPU L2 Aux register 0x400042

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****Profiler Build****

---High Performance Frequency is 26000307 hz----

3.2.2 Boot-up from NAND Flash

1) Format TF card

Please refer to contents of 3.1.1 Format TF card.

1) Copy runtime image

 Copy MLO, 0, and 0 0

image files Locate in CDWINCE600image to the TF card, rename

0 as 0.

2) flashing image file

Insert TF card and reboot the system. At this time, the system boots from TF card. The

HyperTerminal will display boot message, you can press [SPACE] to enter the EBOOT

menu. Flashing image to NAND flash according to the following steps:

 Press [8] to enter the Flash menu.

 Press [A], [B] and [C] to write XLDR, EBOOT and NK images respectively.

 Then press [0] to return to main menu, and respectively press [2], [4] Select boot

from NAND flash, then type [A] select the LCD / DVI output mode [7] and [y] to

save the Boot setting.

Unplug TF card and then reboot the system, and then the system will boot from NAND

Flash.

3.3 Quick operation of Android system

The user can program Android to the NAND Flash of the development board by using the

following steps.

Note: At present, Android only supports boot-up from NAND Flash.

1) Format TF card

Please refer to section 3.1.1 steps for TF card formatting.

2) Load kernel image file

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Copy all files from CD under the folder /linux/demo/Android/image to the TF card,

3) Update image file

a) Insert the TF card into the development card, and then connect power supply;

the debugging tool will display the following information:

Texas Instruments X-Loader 1.47 (Feb 17 2011 - 17:33:15)

SBC8530 xM Rev A

Starting X-loader on MMC

Reading boot sector

230740 Bytes Read from MMC

Starting OS Bootloader

Starting

U-Boot 2010.06-rc1-svn ( 3鏈?04 2011 - 10:18:34)

OMAP34xx/35xx-GP ES2.0, CPU-OPP2 L3-165MHz

OMAP3 SBC8530 board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

SBC8530 xM Rev A

Die ID #22e800211e3000000158ed8408008020

Net: dm9000

Hit any key to stop autoboot: 0

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NAND erase: device 0 whole chip

Skipping bad block at 0x1c9c0000

Erasing at 0x1ffe0000 -- 100% complete.

mmc1 is available

reading _for_NAND

11000 bytes read

HW ECC selected

NAND write: device 0 offset 0x0, size 0x2af8

12288 bytes written: OK

reading

230740 bytes read

SW ECC selected

NAND write: device 0 offset 0x80000, size 0x38554

231424 bytes written: OK

reading uImage

2551564 bytes read

SW ECC selected

NAND write: device 0 offset 0x280000, size 0x26ef0c

2551808 bytes written: OK

reading

74055680 bytes read

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SW ECC selected

NAND write: device 0 offset 0x680000, size 0x46a0000

74055680 bytes written: OK

b) LED lamp sys on the board will be flashing after programming is finished, please

remove the TF card.

c) Power it on again to boot android operating system.

d) The default display mode was the 4.3”LCD. Users can change the display mode

by referring to “3.8.1 Choose the Display Device”

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Technical support & Warranty Service

Embest Technology Co., Ltd. established in March of 2000, is a global provider of

embedded hardware and software. Embest aims to help customers reduce time to market

with improved quality by providing the most effective total solutions for the embedded

industry. In the rapidly growing market of high end embedded systems, Embest provides

comprehensive services to specify, develop and produce products and help customers to

implement innovative technology and product features. Progressing from prototyping to

the final product within a short time frame and thus shorten the time to market, and to

achieve the lowest production costs possible. Embest insists on a simple business model:

to offer customers high-performance, low-cost products with best quality and service. The

content below is the matters need attention for our products technical support and

warranty service:

Technical support service

Embest provides one year free technical support service for all products. Technical

support service covers:

 Embest embedded platform products software/hardware materials

 Assist customers compile and run the source code we offer.

 Solve the problems accurs on embeded software/hardware platform if users

follow the instructions in the documentation we offer.

 Judge whether the product failure exists.

Special explanation, the situations listed below are not included in the range of our free

technical support service, and Embest will handle the situation with discretion:

 Software/Hardware issues user meet during the self-develop process

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 Issues happen when users compile/run the embedded OS which is tailored by

users themselves.

 User’s own applications.

 Problems happen during the modification of our software source code.

Maintenance service clause

1) The products except LCD, which are not used properly, will take the warranty since

the day of the sale:

PCB: Provide 12 months free maintenance service.

2) The situations listed below are not included in the range of our free maintenance

service, Embest will charge the service fees with discretion:

A. Can’t provide valid Proof-of-Purchase, the identification label is torn up or

illegible, the identification label is altered or doesn’t accord with the actual

products;

B. Don’t follow the instruction of the manual in order to damage the product;

C. Due to the natural disasters ( unexpected matters ), or natural attrition of the

components, or unexpected matters leads to the defects of

appearance/function;

D. Due to the power supply, bump, leaking of the roof, pets, moist, impurities

into the boards, all those reasons which lead the defects of

appearance/function;

E. User unauthorized weld or dismantle parts leads the product’s bad condition,

or let other people or institution which are not authorized by Embest to

dismantle, repair, change the product leads the product bad connection or

defects of appearance/function;

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F. User unauthorized install the software, system or incorrect configuration or

computer virus leads the defects;

G. Purchase the products through unauthorized channel;

H. Those commitments which is committed by other institutions should be

responsible by the institutions, Embest has nothing to do with that;

3) During the warranty period, the delivery fee which delivery to Embest should be

covered by user, Embest will pay for the return delivery fee to users when the product

is repaired. If the warranty period is expired, all the delivery fees will be charged by

users.

4) When the board needs repair, please contact technical support department.

Note: Those products are returned without the permission of our technician, we will

not take any responsibility for them.

Basic notice to protect and maintenance LCD

1) Do not use finger nails or hard sharp object to touch the surface of the LCD,

otherwise user can’t enjoy the above service.

2) Embest recommend user to purchase a piece of special wiper to wipe the LCD after

long time use , please avoid clean the surface with fingers or hands to leave

fingerprint.

3) Do not clean the surface of the screen with chemicals, otherwise user can not enjoy

above service.

Note: Embest do not supply maintenance service to LCDs. We suggest the customer

first check the LCD after getting the goods. In case the LCD cannot run or show no

display, customer should inform Embest within 7 business days from the moment of

getting the goods.

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Value Added Services

We will provide following value added services:



Provided services of driver develop based on Embest embedded platform, like

serial port, USB interface devices, LCD screen.



Provided the services of control system transplant, BSP drivers develop, API

software develop.



Other value added services like power adapter, LCD parts.



Other OEM/ODM services.



Technically training.

Please contact Embest to get technical support:



Support Tel:+86-755-25635626-872/875/897



Fax:+86-755-25635626-666



Pre-Sale consultation: market@



After-Sale consultation: support@

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