X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/deed746d3716d59153e04860c646bfb7b82ca820..ccc82ce74598a00bf484cdec3e186af609efcc50:/LUFA/Drivers/Peripheral/SPI.h

diff --git a/LUFA/Drivers/Peripheral/SPI.h b/LUFA/Drivers/Peripheral/SPI.h
index d66e9fe24..8c38dcc27 100644
--- a/LUFA/Drivers/Peripheral/SPI.h
+++ b/LUFA/Drivers/Peripheral/SPI.h
@@ -99,7 +99,13 @@
 
 			/** SPI data sample mode mask for SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
 			#define SPI_SAMPLE_TRAILING            (1 << CPHA)
-			
+
+			/** SPI data order mask for SPI_Init(). Indicates that data should be shifted out MSB first. */
+			#define SPI_ORDER_MSB_FIRST            (0 << DORD)
+
+			/** SPI data order mask for SPI_Init(). Indicates that data should be shifted out MSB first. */
+			#define SPI_ORDER_LSB_FIRST            (1 << DORD)
+
 			/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
 			#define SPI_MODE_SLAVE                 (0 << MSTR)
 
@@ -107,15 +113,16 @@
 			#define SPI_MODE_MASTER                (1 << MSTR)
 
 		/* Inline Functions: */
-			/** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
+			/** Initialises the SPI subsystem, ready for transfers. Must be called before calling any other
 			 *  SPI routines.
 			 *
 			 *  \param[in] SPIOptions  SPI Options, a mask consisting of one of each of the SPI_SPEED_*,
-			 *                         SPI_SCK_*, SPI_SAMPLE_* and SPI_MODE_* masks.
+			 *                         SPI_SCK_*, SPI_SAMPLE_*, SPI_ORDER_* and SPI_MODE_* masks.
 			 */
 			static inline void SPI_Init(const uint8_t SPIOptions)
 			{
 				DDRB  |= ((1 << 1) | (1 << 2));
+				DDRB  &= ((1 << 0) | (1 << 3));
 				PORTB |= ((1 << 0) | (1 << 3));
 				
 				SPCR   = ((1 << SPE) | SPIOptions);