X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/09d2be0dc1630b2ae2403d555c0360f1c4379322..1ab76048c9c727a588a0cc0fab285222b5916df5:/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h

diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h
index abc8d85d1..df357611b 100644
--- a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h
+++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h
@@ -71,10 +71,10 @@
 			#define DATAFLASH_TOTALCHIPS                 1
 
 			/** Mask for no dataflash chip selected. */
-			#define DATAFLASH_NO_CHIP                    DATAFLASH_CHIPCS_MASK
+			#define DATAFLASH_NO_CHIP                    0
 
 			/** Mask for the first dataflash chip selected. */
-			#define DATAFLASH_CHIP1                      0
+			#define DATAFLASH_CHIP1                      (1 << 4)
 
 			/** Internal main memory page size for the board's dataflash ICs. */
 			#define DATAFLASH_PAGE_SIZE                  1024
@@ -88,8 +88,10 @@
 			 */
 			static inline void Dataflash_Init(void)
 			{
-				DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK;
-				DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK;
+				DATAFLASH_CHIPCS_PORT.DIRSET   = DATAFLASH_CHIPCS_MASK;
+				
+				PORTCFG.MPCMASK                = DATAFLASH_CHIPCS_MASK;
+				DATAFLASH_CHIPCS_PORT.PIN0CTRL = PORT_INVEN_bm;	
 			}
 
 			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
@@ -143,7 +145,8 @@
 			static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;
 			static inline void Dataflash_SelectChip(const uint8_t ChipMask)
 			{
-				DATAFLASH_CHIPCS_PORT.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
+				DATAFLASH_CHIPCS_PORT.OUTCLR = DATAFLASH_CHIPCS_MASK;
+				DATAFLASH_CHIPCS_PORT.OUTSET = ChipMask;
 			}
 
 			/** Deselects the current dataflash chip, so that no dataflash is selected. */