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sumotoy / gpio_expander

A library for drive a lot of GPIO chips with Arduino/Teensy3.x or LC
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Example code for mcp23s18 - fatal error, SPI.h #19

Open MPstatus opened 3 months ago

MPstatus commented 3 months ago

Using the example code gives this error.

fatal error: ../SPI/SPI.h: No such file or directory

include <../SPI/SPI.h>//this chip needs SPI