Add SPI transactions to TFT library. #3036
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damellis
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agdl
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May 29, 2015
Add SPI transactions to TFT library.
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This wraps use of the hardware SPI bus in calls to SPI.beginTransaction() and SPI.endTransaction(). It also moves the SPI bus settings out of the TFT initialization and into an SPISettings object that is passed to SPI.beginTransaction().