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Add documentation on enabling SDIO_SLAVE_FLAG_INTERNAL_PULLUP #230

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Add documentation on enabling SDIO_SLAVE_FLAG_INTERNAL_PULLUP #230

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1 change: 1 addition & 0 deletions esp_hosted_fg/docs/Linux_based_host/SDIO_setup.md
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Expand Up @@ -56,6 +56,7 @@ One can load pre-built release binaries on ESP peripheral or compile those from
```sh
$ cd esp_hosted_fg/esp/esp_driver/network_adapter
```
- If you are using the ESP-WROVER-KIT and plan to use the internal pull-up resistors to quickly evaluate the driver, make sure to set the `SDIO_SLAVE_FLAG_INTERNAL_PULLUP` flag in the `sdio_slave_config_t config` of the `sdio_init` function. (However, the internal pullups are not sufficient and not reliable, please make sure external pullups are connected to the bus in your real design. For more information, check [SDIO pull-up requirements](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/sd_pullup_requirements.html).)

##### Using cmake
* Execute following command to configure the project
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