HMI touch screen,TFT LCD display, Lcd Touch Display Panel - Dwin
迪文科技 - 人机交互产品和解决方案提供商 | ASIC设计_智能屏_电容触摸屏_医疗电源_ODM设计与服务
Beijing Dwin Technology Co., Ltd.
User Guide for DWIN models including: DMT80600C080_01W, DMT80600C080_01W Advertising Beauty Screen Development, Advertising Beauty Screen Development, Beauty Screen Development, Screen Development
Development Guide - Beijing Dwin Technology Co., Ltd.
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DWIN Beauty Screen Development Guide
DWIN Beauty Screen Development Guide
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Contents
DWIN Beauty Screen Development Guide
1. Product Overview ........................................................................................................................... 3 1.1 Application Introduction ............................................................................................................................. 3 1.2 Product Features ....................................................................................................................................... 3
2. Product Selection ........................................................................................................................... 4 3. System Variable Interface .............................................................................................................. 5
3.1 Basic Function Interface for Beauty screen .............................................................................................. 5 3.2 Application Interface for Video Playback ................................................................................................ 10 3.3 Other Application Programming Interfaces .............................................................................................11 4. Serial Port Protocol ...................................................................................................................... 14 4.1 Communication Data Frame ................................................................................................................... 14 4.2 Interface Instruction Description ..............................................................................................................15 4.3 Commands Instance ............................................................................................................................... 16 5. Common Questions ......................................................................................................................17 6. Revision Records ..........................................................................................................................21
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1. Product Overview
1.1 Application Introduction
The DGUS beauty screen mainly comprises of T5L ASIC and specialized beauty care module. T5L ASIC, as the main control chip running on standard DGUS software,it enables display of HD image captured by the camera.
Hardware interface diagram
1.2 Product Features
(1) The beauty screen is equipped with a "DWIN Magic Mirror" high-definition (5MP, 1080P) camera as the acquisition source. Leveraging state-of-the-art AI skin detection technology, the captured images are analyzed to provide a multi-dimensional assessment of skin quality. This includes the detection of wrinkles, blackheads, eye bags, dark circles, and hyperpigmentation.
(2) Skin magnification analysis: The USB camera enables up to 500x magnification, providing high-resolution images for detailed skin analysis. The system can capture 3-6 images for time-lapse comparison, with all images fully zoomable.
(3) Cloud synchronization view: Synchronize the screen data to the cloud via WeChat mini apps for an easier viewing of all pictures and analysis results. Please ensure a stable internet connection.
(4) Video Playback: Support video playback directly from USB drive and SD card.
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2. Product Selection
2.1 Beauty Screen Selection Table
DWIN Beauty Screen Development Guide
Model
DT321X190020 Z240103C
DT321X190020 Z240103D
DT321X190020 Z240103E
DT321X190020 Z240103H
DT321X190020 Z240103K
DT321X190020 Z240103L
DT321X190020 Z240103M
DT321X190020 Z240103N
Size 7.0 8.0 10.1 15.6 10.4 10.1 15.6 8.0
Resolution 800*480 800*600 1024*600
1920*1080 1024*768 1024*600 1920*1080 800*600
LCD Type TN TN IPS IPS TN IPS IPS TN
Touch Type
Capacitive touch
Capacitive touch
Capacitive touch
Capacitive touch
Capacitive touch
Capacitive touch
Capacitive touch
Capacitive Touch
Color 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M 24 bit,16.7M
Operating voltage (V) 6~15
6~15
6~15
12~36
7~36
6~15
12~36
6~15
Operating Temperature
() -20~70
-20~70
-20~70
-10~60
-20~70
-20~70
-10~60
-20~70
Video Playback
× × × ×
Skin Analysis
× × × ×
* K/L/M/N models come with the screen only, without camera, Wi-Fi or other accessories.
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3. System Variable Interface
A portion of the variable address space is already allocated to the beauty screen function. As a result, these addresses are unavailable for use in DGUS development. The beauty screen is primarily controlled through variable address 0x0600. 0x0000-0x0FFF: System variable addresses, reserved for the DGUS system. 0x1000-0x2FFF: Dedicated to the basic display logic of the beauty screen. Specifically, 0x1100-0x17FF stores
the analysis results from the magic mirror, 0x1800-0x18FF displays flag bits, and 0x28000x2FFF displays QR code data. The remaining addresses are reserved for future use (only applicable in versions with magic mirror analysis). 0x7000-0xFFFF: Allocated for image storage expansion, typically enabled by default. Should you need to modify the address listed above, it will require an update to the underlying code. Please reach out to your dedicated sales engineers for assistance.
3.1 Basic Function Interface for Beauty screen
Setting different key values for the 0x0600 variable address enables the basic functions of the beauty screen, as shown in the table below. Note (1) The respective flag bits detailed in the table can be configured through either the factory-provided lib file or
the screen configuration settings. Configurations applied via the lib file are persistently stored after poweroff once flashed. Utilizing screen configuration requires a one-time Flash write operation via the interface specified in the table below, and the changes will take effect upon system reboot. (2) Checking the flag bit (as described in the table) means: if the flag bit is 0x5A, jump to the corresponding page.
Key value
Functional classification
Description
0x5A01
Magic Mirror Analysis
Take a photo.Then it will switch to transition page 19. Once the data returns, it will switch to page 21.
0x5A02
Magic Mirror Analysis
Upload the photo. Upon photo upload, the system will verify the user's authentication status (determining if it's a personal or business account) and switch to transitory page 22. If not authenticated, it will switch to page 23 and display a payment QR code. If authenticated, it will switch to page 24, upload the photo, and then switch to the "Magic Mirror Result" page 27 once the processing is complete.
0x5A03
Magic Mirror Analysis
Return from"Take a photo", and the camera will automatically restart.
0x5A04
Magic Mirror Analysis
When switching from "Magnifying Glass" mode to "Magic Mirror Analysis" mode, the magnifying glass camera will be turned off and the magic mirror analysis camera will be activated. The system will then switch to transition page 18. Once the analysis results are ready, it will switch to page 20.
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Key value 0x5A05 0x5A06 0x5A07 0x5A08 0x5A09
0x5A10-0x5A20
0xA501
0xA502
Functional classification
Description
Magic Mirror Analysis
Return from the zoom in function of the magic mirror analysis result page.
Magic Mirror Analysis Return from the QR code payment page.
Magic Mirror Analysis Return from the request transitory page.
Magic Mirror Analysis
Enter the zoom in function of the magic mirror analysis result page. Go to page 28 if there's a picture.
Magic Mirror Analysis
Return from the switching page and go back to the previous mode.
Magic Mirror Analysis Magnifying Glass Magnifying Glass
Choose one magic mirror analysis result and activate playback if there's an image.
a) For factory project with "Magic Mirror Analysis" Activate the "Magnifying Glass" mode. Ensure the magic mirror analysis result camera is off before turning on the magnifying glass camera. This will switch to page 18. Once the result is returned, the page will switch to 50. b) For factory project with "Video Payback " Opening the "Magnifying Glass" mode directly will trigger a check of the magnifier main interface flag bit.
Take a screenshot. Capture the area indicated by the cursor. If there is already an image, it will be replaced.
0xA503
Magnifying Glass
Delete screenshot. Delete the picture indicated by the cursor.
0xA504
Magnifying Glass
Cursor moves to the left
0xA505 0xA506 0xA507 0xA508 0xA509 0xA50A
Magnifying Glass Magnifying Glass Magnifying Glass Magnifying Glass Magnifying Glass Magnifying Glass
Cursor moves to the right
a) For factory project with "Magic Mirror Analysis" Go to the magnifying glass details page, then switch to page 51. b) For factory project with "Video Playback" No more available. Returning from the magnifying glass details page will trigger a check of the flag bit for the magnifying glass main interface.
Upload the screenshot to the cloud platform. The system will then switch to page 53. Once the upload is complete, it will return to page 50. Switching from the magnifying glass page to the details page will trigger a check of the flag bit for the magnifying glass details page. a) Factory project with "Magic Mirror Analysis" Unavailable b) For Factory project with "Video Playback" Turning off the camera will trigger a check of the menu page flag bit.
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Key value
Functional classification
DWIN Beauty Screen Development Guide
Description
0xA510-0xA516
Magnifying Glass
Select a picture to zoom in.
0x50**
0x51**
0x52** 0xAA07 0xAA08 0xAA09 0xAA12 0xAA13
Magic Mirror Analysis
Magic Mirror Analysis
Magnifying Glass WIFI Settings WIFI Settings WIFI Settings WIFI Settings WIFI Settings
Zoom in on the picture shot by "Magic Mirror Analysis". 0x5001: Move left 0x5002: Move right 0x5003: Move up 0x5004: Move down 0x5005: Zoom in 0x5006: Zoom out 0x5007: Reset Zoom in on the returned picture outputted by "Magic Mirror Analysis". 0x5001: Move left 0x5002: Move right 0x5003: Move up 0x5004: Move down 0x5005: Zoom in 0x5006: Zoom out 0x5007: Reset Zoom in on the picture shot by "Magnifying Glass". 0x5001: Move left 0x5002: Move right 0x5003: Move up 0x5004: Move down 0x5005: Zoom in 0x5006: Zoom out 0x5007: Reset Connect to WIFI: When connecting to Wi-Fi, the flag bit for the Wi-Fi connecting transition page is checked. Subsequently, upon successful establishment of the Wi-Fi connection, the Wi-Fi connection flag bit is checked. Cancel WIFI connection: In the event of connection cancellation, the flag bit for the WiFi scanning transition page is checked. Following the return of the result, the Wi-Fi scanning flag bit is checked. Scan WIFI: When WIFI scanning is in progress, the WIFI scanning transition page flag is checked. The WIFI scanning flag will be checked after the result is returned. Swipe up the page to Scan WIFI: Initiating a WIFI scan by swiping up the page will trigger a check of the WIFI scanning transition page flag. Once the results are returned, the WIFI scanning flag will be checked. Swipe down the page to Scan WIFI: Initiating a WIFI scan by swiping down the page will trigger a check of the WIFI scanning transition page flag. Once the results are returned, the WIFI scanning flag will be checked.
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Key value 0xAF01-0xAF05
Functional classification WIFI Settings
Description
Five results will appear after each scan. Use "Page up" and "Page down" for selection.
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Note:
(1) For models that don't come with Magic Mirror analysis from the factory, all addresses related to Magic Mirror analysis has been annotated. Please avoid using it. (2) The transition page has been fixed during the design process. If you plan to develop your own project, please avoid using the transition page shown in the table. For further customization, please contact support team. (3) Upon powering on, the factory project with magic mirror analysis will switch to the magnifying glass main page, while the factory project with video playback will switch to the configured menu page. (4) The following are fixed number of special pages.
a) Factory projects with magic mirror analysis: Magic mirror analysis main page: 20 Magic mirror analysis confirmation page: 21 WIFI scan page : 25 WIFI connection page : 26 Magic mirror analysis result page: 27 Store page: 29 Magnifying glass main page: 50 Magnifying glass detail page: 51 Magnifying glass thumbnail enlargement page: 52
b) Factory project with video playback: Magic mirror analysis result page: 27 The following pages are configurable: WIFI scan page: 25 WIFI connection Page: 26 Magic mirror analysis result page: 27 Store page: 29 Magnifying glass main page: 50 Magnifying glass detail page: 51 Magnifying glass thumbnail enlargement page: 52 Video playback page: 61 Video full-screen playback page: 62
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3.2 Application Interface for Video Playback
DWIN Beauty Screen Development Guide
Video playback function is achieved through variable address 0x0600 (refer to table below). The program scans the "VIDEO" directory for video files and the "MUSIC" directory for audio files. It is imperative that video/audio files are saved in correct named directory, otherwise audio and video files may not play properly.
Key value 0x0001
0x0002 0x002b 0x002a 0x0020 0x000d 0x0013 0x0004 0x0021-0x0025
0x011A
Functional classification
Description
Video Playback
Scroll down the video playlist. It needs to be queried before flipping pages.
Video Playback
Scroll up the video playlist. It needs to be queried before flipping pages.
Video Playback
Query videos from internal flash storage
Video Playback
Query videos from U-disk driver
Video Playback
Query videos from SD card
Video Playback
Pause
Video Playback
Resume playback
Video Playback
Pause
Video Playback Flash Control
Select the 1st to 5th video for playback
Trigger a one-time unified Flash write of parameters located after address 0x0580. If dealing with screen settings, this step is required.
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3.3 Other Application Programming Interfaces
DWIN Beauty Screen Development Guide
For the functions of other system variable interfaces for beauty screens, please refer to the following table.
VP address 0x0580
0x0581 0x0582 0x0583 0x0584
0x0585
0x0586 0x0587 0x0588
Definition
Resolution setting
Frequency division factor setting
Image quality setting Quantity of screenshots
Camera format
Camera resolution
Display height of the Video Page
Display width of the Video Page
The X-coordinate of the top vertex of the video page
Remark 0x0000: 1920*1080 0x0001: 1024*600 0x0002: 800*600 0x0003: 800*480 0x0004: 1024*768 This setting is for the screen resolution. Specific display settings are configured for different resolutions. Other values are invalid and factory-set, please do not modify them. Range: 7-12 This setting is for the frequency division factor. It is recommended to use divide-by-7 for 2K resolution and divide-by-12 for other resolutions. It's preset at factory mode and please don't modify it arbitrarily. Range: 50-85. Higher photo quality requires more storage space. Suggested value: 80.
1-6.
0x0000: Default 0x0001: yuyv 0x0002: NV21 0x0004: mjpeg Configure based on supported resolutions and formats. By clicking "Debug Camera", you can view the supported formats and resolutions. Based on the results, select a suitable camera format. 0x0000: 1920*1080 0x0001: 1024*600 0x0002: 800*600 0x0003: 800*480 0x0004: 640*480 0x0005: 320*240 0x0006: 1280*720 By clicking "Debug Camera" to view the supported formats and resolutions. Select a suitable camera resolution based on the results.
This setting is used for configuring the main interface display position of the video page.
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0x0589 0x058A 0x058B 0x058C 0x058D 0x058E 0x058F 0x0590 0x0591 0x0592 0x0593 0x0594 0x0595
The Y-coordinate of the top vertex of the video page
Display height for the "magnifying glass" interface
Display Width for the "magnifying glass" main
interface. The X-coordinate of the top
vertex of the "magnifying glass" main interface.
The Y-coordinate of the top vertex of the "magnifying glass" main interface.
This setting is used for configuring the main interface display position of the "magnifying glass".
Display height of the magnifying glass detail page
Display Width of the magnifying glass detail page
The X-coordinate of the top vertex of the magnifying glass
detail page The Y-coordinate of the top vertex of the "magnifying glass
detail page Display height of the magnifying glass enlargement
page Display Width of the magnifying glass enlargement
page The X-coordinate of the top vertex of the magnifying glass
enlargement page The Y-coordinate of the top vertex of the magnifying glass
enlargement page
This setting is used for configuring the display position of the "magnifying glass" detail page.
This setting is used for configuring the display position of the "magnifying glass" enlargement page.
0x0596
Thumbnail display height used for setting the thumbnail display height
0x0597 0x0598 0x0599 0x059A 0x059B
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Thumbnail display width
X-coordinate of the first thumbnail
Y-coordinate of the first thumbnail
X-coordinate of the second thumbnail
Y-coordinate of the second thumbnail
used for setting the thumbnail display width used for setting the X-coordinate of the first thumbnail used for setting the Y-coordinate of the first thumbnail used for setting the X-coordinate of the second thumbnail used for setting the Y-coordinate of the second thumbnail
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0x059C 0x059D 0x059E 0x059F 0x05A0 0x05A1 0x05A2 0x05A3
X-coordinate of the third thumbnail
Y-coordinate of the third thumbnail
X-coordinate of the fourth thumbnail
Y-coordinate of the fourth thumbnail
X-coordinate of the fifth thumbnail
Y-coordinate of the fifth thumbnail
X-coordinate of the sixth thumbnail
Y-coordinate of the sixth thumbnail
DWIN Beauty Screen Development Guide
used for setting the X-coordinate of the third thumbnail used for setting the Y-coordinate of the third thumbnail used for setting the X-coordinate of the fourth thumbnail used for setting the Y-coordinate of the fourth thumbnail used for setting the X-coordinate of the fifth thumbnail used for setting the Y-coordinate of the fifth thumbnail used for setting the X-coordinate of the sixth thumbnail used for setting the Y coordinate of the sixth thumbnail.
0x05A4
Menu page settings
0x05A5 0x05A6 0x05A7 0x05A8
Magnifying glass main page settings
Magnifying glass detail page settings
Hot-pluggable page settings
Magnifying glass enlargement page settings
The high byte 0x5A indicates page switching is enabled, and the low byte is the page number.
0x05A9
Video page settings
0x05AA 0x05AB 0x05AC 0x05AD 0x05AE 0x05AF 0x05B0
Magnifying glass upload page settings
Set the address for the user phone number within the WeChat Mini Program. Set the address for the
username within the WeChat Mini Program.
Address settings for WeChat Mini Program QR codes
IP address settings
MAC address settings
Address settings for the WeChat Mini Program store
QR codes
This sets the address for the user phone number within the WeChat Mini Program, requiring a space of 0x10 word addresses.
This sets the address for the username within the WeChat Mini Program, requiring a space of 0x10 word addresses.
Address settings for WeChat Mini Program QR codes, requiring 0x80 word address in length. IP address settings, requiring 0x10 word address in length. MAC address settings, requiring 0x10 word address in length.
Address settings for the WeChat Mini Program store QR codes, requiring 0x80 word address in length.
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0x05B1 0x05B2 0x05B3
QR code address settings for synchronous screen display
Address settings for offline login QR code
Start address settings for camera support parameters
This sets the QR code address for synchronous screen display, requiring 0x80 word address in length.
This sets the offline login QR code address, requiring 0x80 word address in length.
This sets the starting address for camera support parameters, requires 0x20 word address in length.
0x05B4
Reserved
-
0x05B4 0x05B6 0x05B7 0x05B8 0x05B9 0x05BA 0x05BB
0x05BC
0x05BD 0x05BE
Reserved
-
83 instruction flag settings based on 82 instruction return
0 = disabled. When writing with the 82 command, the 83 command is not returned. Any other value indicates the return.
Reserve
-
WIFI scan page settings
WIFI connection page settings Transition page settings for WIFI connection page Transition page settings for WIFI connection page
Settings for the animated icon on the transition page
Settings for store page Start address settings for the
WIFI scan result
The high byte 0x5A indicates page switching is enabled, and the low byte is the page number.
The high byte 0x5A indicates page switching is enabled, and the low byte is the page number.
The high byte 0x5A indicates page switching is enabled, and the low byte is the page number.
The high byte 0x5A indicates page switching is enabled, and the low byte is the page number. This flag relates to the animated icon shown on the transition page. It is recommended to keep it at 1 under normal circumstances and not alter it unless specifically required. The high byte 0x5A indicates page switching is enabled, and the low byte is the page number.
This space holds 5 results, with each result using 0x10 words of addressable memory.
4. Serial Port Protocol
The beauty screen product offers two serial ports (UART2 and UART4) for external connectivity. UART2 is preconfigured to use the DWIN 82/83 protocol and allows the Baud Rate and CRC check to be configured via the CFG file. UART4 allows users to analyze and customize protocols based on specific requirements. UART2 is preset with the default configuration of 115200, 8N1, indicating the Baud Rate of 115200, 8 data bits, no check bit, and 1 stop bit.
4.1 Communication Data Frame
Data block
1
2
3
4
5
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Definition
Frame header Data length
Command
Data length
Description
Example (without verification)
2 0x5AA5 0x5AA5
1
Including commands, data, and verification
1 0x82/0x83
04
83
Data N
00 10 04
CRC verification (optional)
2
Example
0x5AA5
06
(with verification)
83
00 10 04
25 A3
4.2 Interface Instruction Description
Command 0x82
Data
Variable space first address (0x0000-0xFFFF) + the written data
0x83
Variable space first address (0x0000-0xFFFF) + read data in word length (0x01-0x7D)
Description
Response
Write data to a specified address in the variable space
None
Read the specified length data from the specified address in the variable space
Start address of variable space + Variable data in word length + the read variable data
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4.3 Commands Instance
(1). Scan WIFI
82 command: 5A A5 05 82 06 00 AA09 Command meaning: Frame Header Command length 82 (Write variable space) System variable address Command content Description: This command is used to scan WIFI, the demo will switch page automatically after execution. (2). Read the first result of the scanned WIFI
83 command: 5A A5 04 83 19 00 10 Command meaning: Frame header Command length 83 (Read variable space) System variable address Read data length (in words) Returned command: 5A A5 0* 83 19 00 DATA Command meaning: Frame header Command length 83 (Read variable space) System variable address The returned SSID result of WIFI Description: This command can read the first scanned SSID information of WIFI.
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5. Common Questions
1. How to connect to the WIFI network?
Method 1: Use Notepad to open the "wpa_supplicant. conf" file on the USB disk, fill in your written WIFI name (SSID) and password in the following format, save the file, and make sure to place it in the root directory of the USB disk. After the screen is powered on, the file parameters will be automatically read and WIFI configuration will be performed.
ctrl_interface=/etc/wifi/sockets disable_scan_offload=1 update_config=1 network={
ssid="WIFI name" psk="WIFI password" }
Method 2: Manually search for and connect to Wi-Fi through the beauty screen interface. After entering the WiFi password, proceed with network configuration and connection.
2. Why does the screen get stuck in an animation after clicking?
Upon powering on the screen, the system will boot up and automatically open the default camera after a "beep" sound. You can proceed with the operation once it's complete.
3. Why can't the camera be activated?
Please check if the camera is connected properly. If the issue persists after reconnecting the camera, try restarting the device.
4. Why can't the picture of face analysis move around when zoomed in?
You can't move the image at the original size. You must zoom in first before you can move it. The more you zoom in, the more you can move it.
5. Why is it stuck on the camera switch animation?
Check if the other camera is properly connected.
6. Why does the face photo keep failing to upload?
(1) Please make sure to face the camera directly and center your face on the screen, ensuring that both ears are visible. (2) Please check your network connection and try reconnecting.
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7. Why does facial analysis have no result for a long time?
The facial analysis process typically requires 15-20 seconds to complete.
8. Why can't I find WIFI in the search?
Ensure that the WIFI antenna is securely connected to the specified antenna port on the dedicated beauty device module. Avoid connecting it to the chip port on the motherboard. Please refer to the image below.
9. Why can't I find the WIFI I want to connect to?
You can try selecting any of the listed Wi-Fi networks, deleting it, and then manually entering the name of the network you want to connect to. Alternatively, you can refresh the Wi-Fi list. Only the 15 strongest Wi-Fi signals are displayed.
10. How to use the WeChat Mini App?
After connecting to the internet, A QR code will automatically display in the home page. Scan the code to enter the Magic Mirror Mini Program, and you could view your usage history.
11. How to set up camera control?
Use the icon overlay control. Please refer to the image below for variable addresses and parameter settings. Do not modify them without authorization.
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12. How to update the firmware of the beauty module?
Step 1: Format the SD card used as a flashing card. The parameter settings are shown in the following image.
Step 2: Open the flashing tool "PhoenixCardv4.2.8". Select the firmware storage path, "Product", and "Burn" in sequence. Please wait patiently for the flashing process to complete.
Step 3: Remove the SD card, insert it into the module's firmware flashing slot, power on and wait 3-5 minutes for the flashing process to finish.
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13. What should be noted when storing audio and video files?
When saving audio and video files to the USB drive or SD card, they should be stored in the root directory folder. As shown in the image, video files need to be saved in the "VIDEO" folder, and audio files need to be saved in the "MUSIC" folder.
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6. Revision Records
DWIN Beauty Screen Development Guide
Version 1.0 1.5
Revise Date
Content
August 25, 2024 May 14, 2025
First Edition
Updated descriptions regarding the newly added beauty screen functions.
Editor Joyce Jiang Joyce Jiang
Please contact us if you have any questions about the use of this document or our products,or if you would like to know the latest information about our products: Customer service Tel: +86 400 018 9008 Customer service email: dwinhmi@dwin.com.cn DWIN Developer Forum: https://forums.dwin-global.com/
Thank you all for continuous support of DWIN,and your approval is the driving force of our progress!
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