X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7fd2349e1a66b7bd9ece5bf9099b35eed03e97fd..f3049d958e4ef6cc919ff5f1302c1b384fed6bbf:/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h diff --git a/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h b/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h index 5625e9a37..f3cb45db8 100644 --- a/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h +++ b/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h @@ -67,7 +67,7 @@ /* 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 @@ -78,13 +78,13 @@ #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 @@ -137,12 +137,12 @@ /** 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. @@ -153,7 +153,7 @@ 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. */