Pick 60,000 monthly salary [2] Purple Pi OH opens the board and brings you Ghana Sugar daddy app to OpenHarmony in 7 days!

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Choose 60,000 monthly salary [two] Purple Pi OH opens the board to bring you into OpenHarmony in 7 days!

In the last time we advanced, we had a preliminary understanding of Purple Pi OH and completed the record of OpenHarmony OS. Then, please ask all the novice to follow the editor’s steps to complete the connection of GH Escorts accessories, making the system “visible” and closely contact with OpenHarmony!

Note: Before connecting the accessoriesPlease shut down all power supply on the motherboard to prevent sensitive circuits from breaking!

1. Download Serial Port Template

1.1 MobaXterm Download

Download MobaXterm Drive Link:

MobaXterm free Xserver anGhana Sugard tabbed SSH client for Windows (mobatek.neGhanaians Sugardaddyt)

MobaXterm Transfer Interface is shown in the following figure:

1.2 CH341 download

CH341 driver can download it on Baidu by Ghanaians Escort.

2. Connect the serial port and the motherboard

2.1 Try the serial port diffraction connection

The way to connect the serial port and the USB serial port module is shown in the following figure:

Note: Use the diffraction connectionGhana Sugar Daddy adjusts the DTX and DRX on the serial port and USB switch module. GH Escorts plug-in connection and GND connection.

2.2 Try the serial port setting Installation

Connect the debug serial port with the computer USB port and power it on the main version, flip the MobaXterm, click Session->Serial-> in the upper left corner to select the identified serial port, and set Advanced Serial settings according to the following information.

Test serial port parameter setting installation baud rate (Speed): 1500000 Data bits: 8 Parity: No end bits: 1 Flow Control: No

Show as shown in the following figure:

At this point, the setting and installation of the debugging around the serial port has been completed, and you can apply the debugging serial port to stop the debugging.

3. Screen Connection and Test

The above introduces two screen Connection methods, and select the screen according to the recorded version. 3.1

3.1 HDMI connection

Scale HGH EscortsDMI-19S interface, supporting HGhana SugarDMI2.0 4K@ 60fps input and HDCP 1.4/2.2 as shown in the following figure:

The actual connection consequences are shown in the following figure:

3.2

3.2 MIPI connection

The left side of the MIPI interface is the MIPI interface, and the right side is the I2C touch screen interface (TP); the default MIPI firmware is BLB-S99944-1 (800×1280), as shown in the following figure:

Please snap and unplug the interface before connecting, as shown in the following figure:

Press GH EscortsSecurity snaps and connects the consequences, as shown in the following figure:

3.3

3.3 Screen backlight adjustment

Fixed by the process/sys /class /backlight /backlight The value of /brightness is used to adjust the backlight. The range is 0-255. The higher the value, the higher the brightness. The brightness is set to 100, as shown in the following figure:

3.4

3.4 HDMI test

After the interface is connected, unplug the serial port and stop powering on the motherboard, and stop HDMI test, as shown in the following figure:

3.5

3.5 MIPI test

Stop the MIPI test, as shown in the following figure:

IV. WIFI connection and test

4.1 WIFI connection

Connect the WIFI antenna in the accessory with the IPEZ antenna. The default on the system will turn on WiFi. The corresponding collection device is wlan0, as shown in the following figure:

Reference for connection consequences, as shown in the following figure:

4.2

4.2 WIFI Test

Click [Settings]->[WLAN] on the menu column interface to select Ghana Sugar DaddyWIFI name, output corresponding to passwoGhanaians Escortrd can test the performance of WIFI connection, as shown in the following figure:

After the profit, the ifconfig number is applied to check the IP of wlan0, as shown in the following figure:

Five. Blue teeth test

Click [Setting]->[Blue Teeth] on the menu column interface to scan the surrounding blue teeth installations and connect them as shown in the following figure:

The blue teether is connected to the edge, and after matching the edge, the motherboard can transmit files to each other through the process of blue teeth and the mobile phone. The following picture shows:

Six. Rare Questions (FAQ)

6.1 The screen is not displayed

Can be tightened by: poor screen interface contact or excessive burn version

Processing plan: severGhanaiansSugardaddy opens the motherboard for all power supply, connects the screen from the head, guarantees the right line and buckles tightly. After connecting, power on the head. Review the recording version: The mirror version has the corresponding screen number (hdmi/mipi), and the recording of the screen is connected according to the screen’s corresponding recording. MobaXterm cannot recognize that the serial port is adjusted. The switch is: : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : EscortsSerial port contact or driver presentation topic

Processing plan:

①Poor contact: Disconnect all power supply on the motherboard, and switch the serial port to USB from the header to the serial port module, ensuring the connection between RTX, RDX, and GND.

②Flip the “Instrument Controller” and check the unplugged USB device. If the picture is abnormal for the serial port installation, you need to download the USB drive (CHGhana Sugar341ser) from the head and install it.

6.3

6.3 Touch the serial port and display “The device connected to the system has not been used to perform the effect

Can be formed by: multiple drives are installed on Win11, which requires the old drive to be switched back.

Processing plan: Turn on the installation manager, find the corresponding serial port device, click “to change the new data drive French”-Ghanaians Escort>”Read my computer to find the drive French”->”Let me pull it from the list of available drive French on the computer”, there is a daily date after the drive version number. Choose who has a longer daily date, click the next step to complete the drive replacement and change the new data. (If you remind me to restart, restart).

6.4

6.4 MobaXterm display code is set by: data transmission speed (baud rate) is set by: Error;

Processing plan: The baud rate of the debugger is set to: 1500000bps.

6.5

6.5 There are too many logs in MobaXterm

Processing plan:

Apply to dmesg -n 1, set the print log quality, filter it.

Reset the code to MobaXterm, stick it directly, and return it.

Sign up the code in MobaXterm, just return it, log news will not be output.

Note: The internal affairs and pictures of this article are written by the author or may be reproduced and released together with the website. The indecent points of the article only represent the author himself and does not represent the attitude of the electronic hot friends. The article and pictures are only for engineers to learn. If there is any infringement of the internal affairs or other illegal issues, please contact us to contact us for handling. Report a lawsuit
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