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Update board Dataflash_Init() functions to automatically configure the appropriate communication interface.

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This commit is contained in:
Dean Camera 2013-06-12 19:51:57 +02:00
parent 6d58628e85
commit f7b9ebea02
16 changed files with 37 additions and 20 deletions
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6
LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h
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@ -94,12 +94,14 @@
/* Inline Functions: */
/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
* The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.
* The appropriate SPI interface will be automatically configured.
*/
static inline void Dataflash_Init(void)
{
DATAFLASH_CHIPCS_DDR |= DATAFLASH_CHIPCS_MASK;
DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
}
/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
@ -223,7 +225,7 @@
#if (DATAFLASH_TOTALCHIPS == 2)
PageAddress >>= 1;
#endif
Dataflash_SendByte(PageAddress >> 5);
Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
Dataflash_SendByte(BufferByte);