uploaded 1 year ago
Espressif Serial Slave Link Library


# Espressif Serial Slave Link (ESSL) component

[![Component Registry](](

This component used to reside in [esp-idf]( project as its component.

It's used on the HOST, to communicate with ESP chips as SLAVE via SDIO/SPI slave HD mode.

The port layer (`essl_sdio.c/essl_spi.c`) are currently only written to run on ESP chips in master mode, but you may also modify them to work on more platforms.

See more documentation:


## 1.1.0

- Supported communicating with ESP32C6 SDIO Slave

## 1.0.1

- Fixed build failure issue on chip which doesn't support SDMMC host
- Remove dependency to `soc/host_reg.h`

## 1.0.0

- Inititial version


Supports all targets

License: Apache-2.0

To add this component to your project, run: add-dependency "espressif/esp_serial_slave_link^1.1.0"

or download archive


  • ESP-IDF >=5.0
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    espressif/esp_serial_slave_link version: 1.1.0