# References

## Acronyms and terms

| Acronym or term | Definition |
| --- | --- |
| BDF | Board data file |
| EVK | Evaluation Kit |
| FDT | Firmware description table |
| NVM | Non-volatile memory |
| OTP | One-time programmable |
| SBL | Secondary boot loader |
| SDK | Software development kit |
| STA | Station |
| WLAN | Wireless local area network |

## Configure system environment variables

Tab Windows
Tab Linux

1. Select **Windows+R**, type <kbd class="kbd docutils literal notranslate">sysdm.cpl</kbd>, and then select OK.
2. In the System Properties window, select the Advanced tab, and then select Environment Variables.
3. Add a new system variable or add a path to the `Path` variable:

    - To add a new system variable, select New under System variables, and then configure the fields in the New System Variable dialog box as follows:

        - Variable name: Enter the variable name. For example,  `ZEPHYR_SDK_INSTALL_DIR`.
        - Variable value: Enter the path that contains the required file. For example, `C:\zephyr-sdk-0.17.4\`
    - To add a path to the `Path` variable, double-click `Path`, select New in the Edit environment variable dialog box, and then enter the path that contains the required file. For example, `C:\python-3.10.9-embed-amd64\`
4. Select OK.

Open a terminal and run the following commands:

Note

The path in the following command is an example, replace it with the Zephyr SDK directory on your computer.

echo 'export ZEPHYR_SDK_INSTALL_DIR=$HOME/zephyr-sdk-0.17.4_linux-x86_64/zephyr-sdk-0.17.4' >> ~/.bashrc
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echo 'export ZEPHYR_TOOLCHAIN_VARIANT=zephyr' >> ~/.bashrc
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source ~/.bashrc
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## Rerun calibration for 2.4 GHz DPD

1. Run `west build`. For details, see [Build QCC730 images](https://docs.qualcomm.com/doc/80-Y8730-252/topic/build_and_flash_images.html#build-qcc730-images).
2. Run `west flash`. For details, see [Use the west tool to flash QCC730 images](https://docs.qualcomm.com/doc/80-Y8730-252/topic/use_the_west_tool_to_flash_qcc730_images.html#use-the-west-tool-to-flash-qcc730-images).
3. Copy `qcc730mi_prg.elf` from `\modules\hal\qcom\zephyr\blobs\` to `\modules\hal\qcom\tools\qprgc\`.
4. Copy `qcc730_openocd_ch347.cfg` and `qcc730.JLinkScript` from `\qcc730\boards\qcom\common\` to `\modules\hal\qcom\tools\qprgc\`.
5. Run one of the following commands under `\modules\hal\qcom\tools\qprgc\`:

    - If you use CH347:

python nvm_programmer.py -s ch347 -i qcc730mi_prg.elf -n rram --server-script qcc730_openocd_ch347.cfg -b 0x00377000 -e -S 0x3000 --reset
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    - If you use J-Link:

python nvm_programmer.py -s jlink -i qcc730mi_prg.elf -n rram --server-script qcc730.JLinkScript -b 0x00377000 -e -S 0x3000 --reset
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Last Published: Jul 29, 2026

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