X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/09d2be0dc1630b2ae2403d555c0360f1c4379322..4cd80263ff477e81ab88dc76f32103f3852a0468:/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h

diff --git a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
index 595492fe2..20625d07f 100644
--- a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
@@ -42,6 +42,11 @@
  *
  *  Board specific Dataflash driver header for the Atmel EVK527.
  *
+ *  <table>
+ *    <tr><th>Name</th><th>Info</th><th>Select Pin</th><th>SPI Port</th></tr>
+ *    <tr><td>DATAFLASH_CHIP1</td><td>AT45DB321C (4MB)</td><td>PORTE.6</td><td>SPI0</td></tr>
+ *  </table> 
+ *
  *  @{
  */
 
@@ -61,7 +66,7 @@
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Macros: */
-			#define DATAFLASH_CHIPCS_MASK                (1 << 6)
+			#define DATAFLASH_CHIPCS_MASK                DATAFLASH_CHIP1
 			#define DATAFLASH_CHIPCS_DDR                 DDRE
 			#define DATAFLASH_CHIPCS_PORT                PORTE
 	#endif
@@ -72,10 +77,10 @@
 			#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 << 6)
 
 			/** Internal main memory page size for the board's dataflash IC. */
 			#define DATAFLASH_PAGE_SIZE                  512
@@ -128,23 +133,23 @@
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
-			 *  or a DATAFLASH_CHIPn mask (where n is the chip number).
+			 *          or a DATAFLASH_CHIPn mask (where n is the chip number).
 			 */
 			static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
 			static inline uint8_t Dataflash_GetSelectedChip(void)
 			{
-				return (DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK);
+				return (~DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK);
 			}
 
 			/** Selects the given dataflash chip.
 			 *
-			 *  \param[in]  ChipMask  Mask of the Dataflash IC to select, in the form of DATAFLASH_CHIPn mask (where n is
+			 *  \param[in]  ChipMask  Mask of the Dataflash IC to select, in the form of a \c DATAFLASH_CHIPn mask (where n is
 			 *              the chip number).
 			 */
 			static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;
 			static inline void Dataflash_SelectChip(const uint8_t ChipMask)
 			{
-				DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
+				DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT | DATAFLASH_CHIPCS_MASK) & ~ChipMask);
 			}
 
 			/** Deselects the current dataflash chip, so that no dataflash is selected. */