ESP32-WROVER-B SD card access in SPI mode with the SPI pinout for the SPI Flash and PSRAM

[skteh76]

Hi,

Is it possible to use the SPI that connected with the SPI Flash and PSRAM in ESP32-WROVER to connect to external SD card and accessing it in SPI mode?

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[WiFive]

Most code runs from flash so it is almost always busy. You would have to do a lot of tricks to get it working and it might have too many limitations to be useful.

[ESP_igrr]

Hi skteh76,

The feature to use the SPI master driver with SPI1 interface had been added very recently and will be part of IDF 4.2 release. You can try it on the master branch. There is some documentation here: https://docs.espressif.com/projects/esp ... n-spi1-bus
However we don't have an example of it being used with SD cards, yet.

[skteh76]

Hello WiFive and ESP_igrr, thank for the respond.
I think I will think for another way to access the sd card instead of SPI1.