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| author | Dean Camera <dean@fourwalledcubicle.com> | 2012-04-14 14:41:17 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2012-04-14 14:41:17 +0000 |
| commit | 47f6a35013b2c6a370e5dce29aa6da3a96844695 (patch) | |
| tree | 3f5842347a696c92beb74bc255c9489e6c38f49d /LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED | |
| parent | e8570c4a37e41117e3fd1e989e0b41f1e9608f3c (diff) | |
| download | lufa-47f6a35013b2c6a370e5dce29aa6da3a96844695.tar.gz lufa-47f6a35013b2c6a370e5dce29aa6da3a96844695.tar.bz2 lufa-47f6a35013b2c6a370e5dce29aa6da3a96844695.zip | |
Reintegrate the FullEPAddresses development branch into trunk.
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. */ |