Add branch for the conversion of demos to use standard C header files for configurati...
[pub/USBasp.git] / LUFA / Drivers / Board / XMEGA / B1_XPLAINED / Dataflash.h
index f1e6da5..d7ad64a 100644 (file)
  *
  *  Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board.
  *
+ *  <table>
+ *    <tr><th>Name</th><th>Info</th><th>Select Pin</th><th>SPI Port</th></tr>
+ *    <tr><td>DATAFLASH_CHIP1</td><td>AT45DB642D (8MB)</td><td>PORTD.2</td><td>USARTC0 (In SPI Mode, Remapped)</td></tr>
+ *  </table> 
+ *
  *  @{
  */
 
                        #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 << 2)
 
                        /** Internal main memory page size for the board's dataflash ICs. */
                        #define DATAFLASH_PAGE_SIZE                  1024
                         */
                        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; 
                                
-                               PORTE.REMAP |= PORT_USART0_bm;
+                               PORTC.REMAP |= PORT_USART0_bm;
                        }
 
                        /** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
                        static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
                        static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
                        {
-                               return SerialSPI_TransferByte(&USARTE0, Byte);
+                               return SerialSPI_TransferByte(&USARTC0, Byte);
                        }
 
                        /** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
                        static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
                        static inline void Dataflash_SendByte(const uint8_t Byte)
                        {
-                               SerialSPI_SendByte(&USARTE0, Byte);
+                               SerialSPI_SendByte(&USARTC0, Byte);
                        }
 
                        /** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
                        static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
                        static inline uint8_t Dataflash_ReceiveByte(void)
                        {
-                               return SerialSPI_ReceiveByte(&USARTE0);
+                               return SerialSPI_ReceiveByte(&USARTC0);
                        }
 
                        /** Determines the currently selected dataflash chip.
                        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 & DATAFLASH_CHIPCS_MASK);
                        }
 
                        /** Deselects the current dataflash chip, so that no dataflash is selected. */