ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

14
LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h
View file

@ -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. */