Hello, I am trying to interface ESP32S2 with a GPIO expander MCP23S18 using SPI in VScode (.c). However the spi.h that I got from the Espressif website is .cpp and therefore I cannot integrate it with my code. I tried sumtoy's library but looks like it does not support ESP32S2. My question is: Is …

Espressif SPI and GPIO expander

gcjr November 3, 2021, 10:15am 4

believe wire supports both I2C and SPI

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