harmony(鸿蒙)Running

2022-08-09
浏览 (495)

Running

Starting the System

After the burning is complete, perform the following steps to start the system in Windows:

NOTE This operation procedure is required only if this is the first time you burn an image for the standard system.

In DevEco Device Tool, click Monitor to open the serial port tool.

en-us_image_0000001226762374

Restart the development board. Before the autoboot countdown ends, press any key to enter the system.

en-us_image_0000001271442265

Run the following commands to set system boot parameters:

   setenv bootargs 'mem=640M console=ttyAMA0,115200 mmz=anonymous,0,0xA8000000,384M clk_ignore_unused rootdelay=10 hardware=Hi3516DV300 init=/init root=/dev/ram0 rw blkdevparts=mmcblk0:1M(boot),15M(kernel),20M(updater),2M(misc),3307M(system),256M(vendor),-(userdata)';

   setenv bootcmd 'mmc read 0x0 0x82000000 0x800 0x4800; bootm 0x82000000'

en-us_image_0000001271322437

Save the parameter settings.

   save

en-us_image_0000001271562437

Restart the development board to start the system.

   reset

en-us_image_0000001226762378

Running a Hello World Program

After the system is started, start the serial port tool, run the helloworld command in any directory, and press Enter. If the message “Hello World!” is displayed, the program runs successfully.

en-us_image_0000001226602398