User's Manual

SEED-7I0A-55

3.2 Software development platform

It supports QT configuration software, adopts standard ide development environment,

and can develop QT application program according to project requirements. Can refer to

the commonly used sample programs, rapid development of applications. include:

1) QuickStart human-machine interface, including common man-machine operation control

2) QT based communication function library, including can communication,

4G communication, GPS communication, BLE communication。

3.3 Program burning

3.3.1 QT application program burning

1) Create app folder under the root directory of U disk and place QT configuration program

2) The USB flash disk is connected to the USB port behind the display screen. When the main

board is powered on, the display screen will pop up the configuration selection, click

"burn", the U disk indicator light starts to flash, and the burning progress is displayed.

3) after burning, the display screen will automatically restart to complete the burning

without power off.

3.3.2 Kernel and device tree burning

1) Connect the upper USB port and notebook behind the display screen through USB adapter

2) Turn off the firewall of laptop windows system.

3) If the rndis network device cannot be recognized in "Device Manager → network adapter",

please install rndis driver. 4) set IP (display IP) and server IP (computer IP) must be in

the same network segment

(1) Set computer IP: 192.168.1.66

(2) Set the IP of display screen: 192.168.1.62, which can not be modified by default

(3) Restart the display screen and enter the uboot mode. Enter the command from the serial

console:

setenv serverip 192.168.1.66

setenv ipaddr 192.168.1.62

saveenv

5) Create a folder on the desktop, put tftpd32.exe, kernel and device tree in this

directory,

(1) Open tftpd32.exe, select "sever interface" option, and select native IP: 192.168.1.66

(2) Update the device tree and input the command run update on the serial console_ FDT

(3) Update the kernel, input the command of the serial console: run update_ kernel