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

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

View file

@ -66,13 +66,13 @@
#define DATAFLASH_TOTALCHIPS 1 // TODO: Replace with the number of Dataflashes on the board, max 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 // TODO: Replace with mask to hold /CS of first Dataflash low, and all others high
#define DATAFLASH_CHIP1 // TODO: Replace with mask with the pin attached to the first Dataflash /CS set
/** Mask for the second dataflash chip selected. */
#define DATAFLASH_CHIP2 // TODO: Replace with mask to hold /CS of second Dataflash low, and all others high
#define DATAFLASH_CHIP2 // TODO: Replace with mask with the pin attached to the second Dataflash /CS set
/** Internal main memory page size for the board's dataflash ICs. */
#define DATAFLASH_PAGE_SIZE // TODO: Replace with the page size for the Dataflash ICs
@ -130,7 +130,7 @@
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.
@ -141,7 +141,7 @@
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. */