microsoft / sartool

SarTool.exe provides a command-line interface and uses public Windows API's to control SAR state in WLAN (Wi-Fi) and LTE subsystems.

SarTool

SarTool uses public Windows API's to control SAR state in WLAN (Wi-Fi) and LTE subsystems.

Build the Project

• install WDK version 1809 or later
  -OR-
• use an EWDK to LaunchBuildEnv.bat and SetupVSEnv
• open Visual Studio from that cmd.exe

NOTE: If building in Visual Studio does not work (it's not yet fully supported from EWDK), use a command line like the following: msbuild /t:rebuild SarTool.sln /p:configuration=debug /p:platform=arm64 /property:WindowsTargetPlatformVersion=%Version_Number%

Example Commands

sartool getsar wifi
sartool setsar wifi off
sartool setsar WiFi on 0x3 0xff 2

Files

File	Contents
Dmf_Wlan_Public.h	contains struct and value definitions shared between SurfaceSarManager.dll and an IHV’s WLAN driver
Wlan_Ihv_Config.h	contains struct and value definitions provisioned by the OEM but otherwise only read by the IHV’s WLAN driver

UEFI GUID and variable names

GUID	struct	UEFI variable name
WDI_SAR_UEFI_COMMON_PARAMS (see Wlan_Ihv_Config.h)
	SAR_CONFIG_HEADER	WifiSARHeader.bin
	SAR_CONFIG_VALUES	WifiSARConfig.bin
WDI_SAR_UEFI_IHV_PARAMS (see Wlan_Ihv_Config.h)
	REGION_CONFIG_VALUES	WifiRegionConfig.bin
	SAR_POWER_TABLE	WifiSARTable.bin

See also

The document that describes the format of SarTool.exe payloads is WLAN_SAR_IHV_DOC. Inside the document a Revision History table indicates the version (e.g. 1.3).
The version numbers in Wlan_Ihv_Config.h and Dmf_Wlan_Public.h will kept in sync with the document’s version (revisions of a given version should not alter struct formats or contain other “material” changes.)

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact [email protected] with any additional questions or comments.

sartool's Issues

This repo is missing important files

There are important files that Microsoft projects should all have that are not present in this repository. A pull request has been opened to add the missing file(s). When the pr is merged this issue will be closed automatically.

Microsoft teams can learn more about this effort and share feedback within the open source guidance available internally.

Merge this pull request