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- To enable support for SPI transactions, edit SfFatCinfig.h and modify these
- defines.
-
- //------------------------------------------------------------------------------
- /**
- * Set ENABLE_SPI_TRANSACTION nonzero to enable the SPI transaction feature
- * of the standard Arduino SPI library. You must include SPI.h in your
- * sketches when ENABLE_SPI_TRANSACTION is nonzero.
- */
- #define ENABLE_SPI_TRANSACTION 0
- //------------------------------------------------------------------------------
- /**
- * Set ENABLE_SPI_YIELD nonzero to enable release of the SPI bus during
- * SD card busy waits.
- *
- * This will allow interrupt routines to access the SPI bus if
- * ENABLE_SPI_TRANSACTION is nonzero.
- *
- * Setting ENABLE_SPI_YIELD will introduce some extra overhead and will
- * slightly slow transfer rates. A few older SD cards may fail when
- * ENABLE_SPI_YIELD is nonzero.
- */
- #define ENABLE_SPI_YIELD 0
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