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BlueRetro NVS Config Generator
Jacques Gagnon edited this page Feb 5, 2024
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Since firmware v1.9.2 it is possible to modify the default config using NVS flash variables. These changes are non-volatile and are restored when the user delete the config or perform a factory reset. The changes are uploaded via an additional binary file using the Flash Download Tool used to program the firmware via USB Serial.
- Make a copy of the Google sheet to your Google Drive:
https://docs.google.com/spreadsheets/d/1qam4NyRg7Pec7PtPjEmYr2pjvLkCnkXyByLVaz7dG30/copy
- Make changes to the default config in the Configuration sheet.
Note: Due to NVS partition size limit, only about 75% of the config can be customized.
- At the top right corner of the Configuration sheet press Generate CSV.
- Click OK on the Authorization required window that pop-up.
- Select your Google account.
- At the blueretro_nvs wants to access your Google Account click Allow.
- At the top right corner of the Configuration sheet press Generate CSV again.
- A new sheet named nvs_csv will be generated, wait for the script to finish.
- Click on File->Download->Comma Separated Values (.csv) to download the config in CSV format.
- Rename the file to nvs.csv .
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Download the following script localy:
https://github.com/espressif/esp-idf/blob/master/components/nvs_flash/nvs_partition_generator/nvs_partition_gen.py -
Install esp-idf-nvs-partition-gen:
pip install esp-idf-nvs-partition-gen
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Generate the nvs.bin file:
python nvs_partition_gen.py generate nvs.csv nvs.bin 0x4000
Note: You will get an error here if you modified too much setting.
- Upload nvs.bin to the ESP32 at address 0x9000.
See Flashing firmware Windows 10 for more detail.
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