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SarTool.exe provides a command-line interface and uses public Windows API's to control SAR state in WLAN (Wi-Fi) and LTE subsystems.
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 		2023-06-12 19:00:54 +00:00
SarTool initial commit of SarTool source code 2018-10-17 13:35:39 -07:00
.gitignore Initial commit 2018-10-17 11:48:41 -07:00
LICENSE Initial commit 2018-10-17 11:48:47 -07:00
README.md fix md formatting - a space is required between special chars and text 2018-10-17 13:25:58 -07:00
SECURITY.md Microsoft mandatory file 2023-06-02 18:27:26 +00:00
SarTool.sln initial commit of SarTool source code 2018-10-17 13:35:39 -07:00

README.md

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 opencode@microsoft.com with any additional questions or comments.