harmony 鸿蒙power-shell

2025-06-12
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power-shell

power-shell is a tool used to convert the power status of a device. It provides basic capabilities such as turning off the screen, waking up the device, and setting the power mode.

Environment Setup

Before using this tool, you must obtain hdc and run the hdc shell command.

power-shell commands

Command	Description
help	Obtains the help information about the commands supported by power-shell.
setmode	Sets the power mode of the current device.
wakeup	Wakes up the system and turns on the screen.
suspend	Suspends the system and turns off the screen.
timeout	Overwrites or restores the automatic screen-off time in system settings.

help

# Display the help information.
power-shell help

setmode

power-shell setmode

setmode commands

Command	Description
power-shell setmode -h	Displays the parameters supported by the setmode command.
power-shell setmode 600	Enables the normal power mode.
power-shell setmode 601	Enables the power saving mode.
power-shell setmode 602	Enables the performance mode.
power-shell setmode 603	Enables the ultra power saving mode.

Example:

# Enable the normal power mode.
power-shell setmode 600
# Enable the power saving mode.
power-shell setmode 601
# Enable the performance mode.
power-shell setmode 602
# Enable the ultra power saving mode.
power-shell setmode 603

wakeup

power-shell wakeup

wakeup command

Command	Description
power-shell wakeup	Turns on the screen.

Example:

# Run the shell command to turn on the screen.
power-shell wakeup

suspend

power-shell suspend

suspend command

Command	Description
power-shell suspend	Turns off the screen.

Example:

# Run the shell command to turn off the screen.
power-shell suspend

timeout

power-shell timeout

Example:

# The automatic screen-off time is set to 30s in the current system settings.
# Run the shell command to set the automatic screen-off time to 15000 ms.
power-shell timeout -o 15000
# Restore the automatic screen-off time set by the system, which is 30s.
power-shell timeout -r