To verify the functionality of the SPI buslibrary, a simple device (serial [https://www.micron.com/~/media/documents/products/data-sheet/nor-flash/serial-nor/m25p/m25p40.pdf NOR flash memory]) has been connected to the expansion connector (J33). Specifically, the SPI4 bus has been used.To build the example application using the library, the following version Android Studio has been used:<pre>Android Studio 3.1Build #AI-173.4670197, built on March 22, 2018JRE: 1.8.0_152-release-1024-b02 amd64JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o</pre>