Fixed incorrect Dataflash functionality in the USBKEY board if the driver is modified for a single Dataflash chip (thanks to Jonathan Oakley).
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7fd2349e1a
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f3049d958e
10 changed files with 45 additions and 44 deletions
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@ -66,13 +66,13 @@
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#define DATAFLASH_TOTALCHIPS 1 // TODO: Replace with the number of Dataflashes on the board, max 2
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/** Mask for no dataflash chip selected. */
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#define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
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#define DATAFLASH_NO_CHIP 0
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/** Mask for the first dataflash chip selected. */
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#define DATAFLASH_CHIP1 // TODO: Replace with mask to hold /CS of first Dataflash low, and all others high
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#define DATAFLASH_CHIP1 // TODO: Replace with mask with the pin attached to the first Dataflash /CS set
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/** Mask for the second dataflash chip selected. */
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#define DATAFLASH_CHIP2 // TODO: Replace with mask to hold /CS of second Dataflash low, and all others high
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#define DATAFLASH_CHIP2 // TODO: Replace with mask with the pin attached to the second Dataflash /CS set
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/** Internal main memory page size for the board's dataflash ICs. */
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#define DATAFLASH_PAGE_SIZE // TODO: Replace with the page size for the Dataflash ICs
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@ -130,7 +130,7 @@
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static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Dataflash_GetSelectedChip(void)
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{
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return (DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK);
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return (~DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK);
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}
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/** Selects the given dataflash chip.
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@ -141,7 +141,7 @@
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static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;
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static inline void Dataflash_SelectChip(const uint8_t ChipMask)
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{
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DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
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DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT | DATAFLASH_CHIPCS_MASK) & ~ChipMask);
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}
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/** Deselects the current dataflash chip, so that no dataflash is selected. */
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