Dexatek DK9169 Manual de usuario
NOTE – all data and credential information you provide will be stored in Dexatek’s account, and accessible to Dexatek. If
you have any questions or concerns, please reach out to our support team at awspart[email protected]/ +886 2 8698
4245 #828
Table of Contents
1
Document Information ............................................................................................................... 3
2
Overview ...................................................................................................................................... 3
3
Hardware Description ................................................................................................................. 4
4
Setup your AWS account and Permissions ................................................................................ 4
5
Create Resources in AWS IoT .................................................................................................... 4
6
Provision the Device with Credentials........................................................................................ 5
7
Setup your hardware ................................................................................................................... 6
8
Build the demo............................................................................................................................. 6
9
Run the demo............................................................................................................................... 6
10
Troubleshooting .......................................................................................................................... 6
NOTE – all data and credential information you provide will be stored in Dexatek’s account, and accessible to Dexatek. If
you have any questions or concerns, please reach out to our support team at awspart[email protected]/ +886 2 8698
4245 #828
1
Document Information
The DK-9169 Demo kit is based on the RTL8711AM SoC and designed for IoT System Extended
Revision History (Version, Date, Description of change)
V
5
.0 2022/0
5/011
2
Overview
Ameba RTL8711AM is a highly integrated single-chip with low power consumption for IoT (Internet
of Things). It combines an Arm® new architecture Arm®v8M KM3 MCU, Wi-Fi and provides a bunch
of configurable GPIOs which are configured as digital peripherals for different applications and
control usage.
RTL8711AM SoC also integrates internal 2.5MB RAM memory to minimize IoT end product size
and reduce your development cost.
Features:
1. Complete IoT solution (low-level development, cloud services, APP)
2. Support AT + application set secondary development
3. Support OTA wireless upgrade
4. Support Bluetooth smart networking,
Application
‧IoT
‧Home automation
‧Sensor networks
‧Building automation
‧Industrial
‧Retail
‧Interactive entertainment devices
‧Remote control
‧Gaming controller
NOTE – all data and credential information you provide will be stored in Dexatek’s account, and accessible to Dexatek. If
you have any questions or concerns, please reach out to our support team at awspart[email protected]/ +886 2 8698
4245 #828
3
Hardware Description
3.1 Data Sheet
https://www.dexatek.com/_files/ugd/c97cac_817c1987ed1b49bea26071756f2888f7.pdf
DK-9169 Demo Kit Spec
SoC RTL8711AM
WLAN WiFi 802.11 b/g/n 2.4
Antenna Chip Antenna
USB USB2.0 *1
RAM 2.5MB internal RAM on SoC & 4MB external flash on Dev. Board
Indicator Function*1(Green) System Power(Blue)
Button Function Button *1
UART UART *2
GPIO GPIO IN*3 + OUT*3
I2C I2C*1
Power 3.3V / 5V
EVB SIZE 75.69mm 44.83mm
3.2 Standard Kit Contents
DK9169 Demo Kit (D9169 Module + Demo board)
3.3 User provided items
Micro USB Type A power adapter 5V
1
A
4
Setup your AWS account and Permissions
Users do NOT need to setup AWS account, user will be using Dexatek's cloud infrastructure. After user purchases
Dexatek's device, the user only needs to download the APP and sign up via APP. All the required permissions will
be granted to the user, due to the integration between AWS Cognito User Pool and Identity Pool. If the User
wants/needs to setup their own environment, user will need to send an email to Dexatek
(awspartner@dexatek.com), Dexatek's engineer will contact and support them.
5
Create Resources in AWS IoT
Resources are created when pairing, these are the steps
a. User presses the reset button for 3 seconds on the device, the device becomes "pairing mode"
b. User turns on the "Bluetooth" of their phone,
c. User opens our APP and follows the pairing wizard
d. Once APP receives all the information it needs, then APP sends the payload to a Lambda API called
"AddDevice", developed by Dexatek, by making this HTTP POST call("AddDevice"), Lambda API returns an
OTP(One-Time Password). Noted: Most of the IoT Resources are created in this step, "AddDevice" API helps to
create "IoT Things", "IoT Device Shadow", "Map to the correct thing type" and "create IoT Policy", and users don't
need to create manually. Device Certificate has not yet been generated and Device has no IoT Core permission or
NOTE – all data and credential information you provide will be stored in Dexatek’s account, and accessible to Dexatek. If
you have any questions or concerns, please reach out to our support team at awspart[email protected]/ +886 2 8698
4245 #828
connectivity up to this point.
e. APP sends the OTP to the Device via Bluetooth
f. Device makes an HTTP POST call to Lambda API, API named "GenerateCerts" and developed by Dexatek, OTP
will be included in the payload, then Lambda API returns an AWS IoT Certificate. IoT certificate is generated in this
step, "GenerateCerts" API help to create IoT Certificate, and bind the IoT Certificate to the IoT Policy. Users don't
need to worry about the relationship between IoT Policy and Iot Certificate.
g. Device will save the AWS IoT Certificate in the Flash, and use this credential to interact with AWS IoT Core.
Note: The device should have IoT connectivity by now
By doing Step a ~ g, all the required resources will be created by the Lambda API, which is developed by Dexatek
6
Provision the Device with Credentials
Please reference point 5d to 5g.
NOTE – all data and credential information you provide will be stored in Dexatek’s account, and accessible to Dexatek. If
you have any questions or concerns, please reach out to our support team at awspart[email protected]/ +886 2 8698
4245 #828
7
Setup your hardware
1. Connect your IoT device (e.g. sensor….)
2. Plug in the USB Power
3. Turn on the power switch
8
Build the demo
https://www.dexatek.com/aws-lot-core-dk9169
9
Run the demo
Go to the demo APP main page select the interface your device is connected to
(1) Select “I2C” Tab to read /write I2C data
(2) Select “GPIO” Tab to monitor GPIO is High/Low status
(3) Select “UART” Tab to read / write UART RX & TX data
10
Troubleshooting
1. Check power indicator to make sure power supply is properly connected.
2. Use minimum 1A current power supply to ensure sufficient power
3. Follow point
8
to connected device
.
4.
Power off and check your device connect to connector as well
.
7
.1
Download
the
latest
version
of
the
“
User Guide for installation of the Demo App
a
t
product
web
page
as
below
link. F
ollow the steps in the User Guide to download and install the app on the phone.
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