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Fixed incorrect Dataflash functionality in the USBKEY board if the driver is modified for a single Dataflash chip (thanks to Jonathan Oakley).

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This commit is contained in:
Dean Camera 2012-09-19 19:12:52 +00:00
parent 7fd2349e1a
commit f3049d958e
10 changed files with 45 additions and 44 deletions
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12
LUFA/Drivers/Board/AVR8/STK525/Dataflash.h
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@ -66,7 +66,7 @@
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define DATAFLASH_CHIPCS_MASK (1 << 4)
#define DATAFLASH_CHIPCS_MASK DATAFLASH_CHIP1
#define DATAFLASH_CHIPCS_DDR DDRB
#define DATAFLASH_CHIPCS_PORT PORTB
#endif
@ -77,10 +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 << 4)
/** Internal main memory page size for the board's dataflash IC. */
#define DATAFLASH_PAGE_SIZE 512
@ -133,12 +133,12 @@
/** 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.
@ -149,7 +149,7 @@
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. */