diff options
Diffstat (limited to 'LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED')
| -rw-r--r-- | LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h | 13 |
1 files changed, 8 insertions, 5 deletions
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. */ |