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 Radxa Zero >  Development >  Using ADB 

Description

Radxa Zero supports Android Debug Bridge (adb), so you can open a shell or send file directly to Radxa Zero when network connection is not available.

One USB Type-C charging data cable can provide power while access the device in adb mode.

Here we use a Type-C to Type-A USB cable with Type-C end plugged in the power port of Radxa Zero, while the other end plugged into our computer.

Radxa Zero Software Requirement

• Kernel package version: >= 5.10.69-6-amlogic
• amlogic-adbd package version: >=0.1

Software Installation

Please follow those guides to install adb on your Windows or Linux computer.

Common adb Usage

Below are some commonly used adb commands:

Check adb devices

radxa@x86-64:~$ adb devices
List of devices attached 
0123456789ABCDEF	device

Launch a root shell

radxa@x86-64:~$ adb shell
# 

To use bash shell, simply run /bin/bash:

radxa@x86-64:~$ adb shell
# /bin/bash
root@zero:/# 

Send file from PC to Radxa Zero

$ adb push <local path> <remote path>

Example:

radxa@x86-64:~$ adb push /tmp/meet-radxa-zero.md /home/rock
/tmp/meet-radxa-zero.md: 1 file pushed. 0.0 MB/s (27 bytes in 0.001s)
radxa@x86-64:~$ adb shell
# cat /home/rock/meet-radxa-zero.md 
How do you do! Radxa Zero!

Send files from Radxa Zero to PC

$ adb pull <remote path> <local path>

Example:

radxa@x86-64:~$ adb pull /home/rock/meet-pc.md /tmp
/home/rock/meet-pc.md: 1 file pulled. 0.0 MB/s (24 bytes in 0.001s)
radxa@x86-64:~$ cat /tmp/meet-pc.md 
How do you do! Host PC!

Usage of amlogic-adbd service

To use above adb commands, you need to have amlogic-adbd service running on your Radxa Zero. Below are some common service management command:

Start amlogic-adbd service:

$ sudo systemctl start amlogic-adbd

Stop amlogic-adbd service:

$ sudo systemctl stop amlogic-adbd

Reload amlogic-adbd service:

$ sudo systemctl reload amlogic-adbd

or

$ sudo systemctl restart amlogic-adbd

Enable amlogic-adbd service auto-start at boot:

$ sudo systemctl enable amlogic-adbd

Disable amlogic-adbd service auto-start at boot:

$ sudo systemctl disable amlogic-adbd