Linux to ESP32 SDIO slave

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Joined: Wed Jul 18, 2018 11:18 am

Linux to ESP32 SDIO slave

Postby fasthands » Thu Oct 11, 2018 4:30 pm


Are there any skeleton linux driver examples to allow data transfer from Linux, acting as a SDIO host, to ESP32, acting as the SDIO slave?
The ESP32 is been detected by the linux core SDIO drivers (mmc1: new SDIO card at address 0001) but I can't write to a ESP32 register or raise an interrupt from the host.

I'm using the slave example from esp-idf/examples/peripherals/sdio/slave and a home brew linux driver.

Any pointers?


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