/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
- #define DATAFLASH_CHIPCS_MASK ((1 << 1) | (1 << 0))
+ #define DATAFLASH_CHIPCS_MASK (DATAFLASH_CHIP1 | DATAFLASH_CHIP2)
#define DATAFLASH_CHIPCS_DDR DDRE
#define DATAFLASH_CHIPCS_PORT PORTE
#endif
#define DATAFLASH_TOTALCHIPS 2
/** 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 (1 << 1)
+ #define DATAFLASH_CHIP1 (1 << 0)
/** Mask for the second dataflash chip selected. */
- #define DATAFLASH_CHIP2 (1 << 0)
+ #define DATAFLASH_CHIP2 (1 << 1)
/** Internal main memory page size for the board's dataflash ICs. */
#define DATAFLASH_PAGE_SIZE 1024
/** 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.
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. */