Mark build test makefiles as being incompatible with parallel make builds, as they...

[pub/USBasp.git] / LUFA / Drivers / Peripheral / XMEGA / SerialSPI_XMEGA.h

diff --git a/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h b/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
index 6f8251f..64d57a3 100644 (file)
--- a/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
+++ b/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
@@ -52,18 +52,18 @@
  *
  *  \code
  *      // Initialize the Master SPI mode USART driver before first use, with 1Mbit baud
- *      SerialSPI_Init(&USARTD0, (USART_SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_ORDER_MSB_FIRST), 1000000);
- *
+ *      SerialSPI_Init(&USARTD0, (USART_SPI_SCK_LEAD_RISING | USART_SPI_SAMPLE_LEADING | USART_SPI_ORDER_MSB_FIRST), 1000000);
+ *      
  *      // Send several bytes, ignoring the returned data
  *      SerialSPI_SendByte(&USARTD0, 0x01);
  *      SerialSPI_SendByte(&USARTD0, 0x02);
  *      SerialSPI_SendByte(&USARTD0, 0x03);
- *
+ *      
  *      // Receive several bytes, sending a dummy 0x00 byte each time
  *      uint8_t Byte1 = SerialSPI_ReceiveByte(&USARTD);
  *      uint8_t Byte2 = SerialSPI_ReceiveByte(&USARTD);
  *      uint8_t Byte3 = SerialSPI_ReceiveByte(&USARTD);
- *
+ *      
  *      // Send a byte, and store the received byte from the same transaction
  *      uint8_t ResponseByte = SerialSPI_TransferByte(&USARTD0, 0xDC);
  *  \endcode
@@ -177,9 +177,7 @@
                        static inline void SerialSPI_SendByte(USART_t* const USART,
                                                              const uint8_t DataByte)
                        {
-                               USART->DATA   = DataByte;
-                               while (!(USART->STATUS & USART_TXCIF_bm));
-                               USART->STATUS = USART_TXCIF_bm;
+                               SerialSPI_TransferByte(USART, DataByte);
                        }
 
                        /** Sends a dummy byte through the USART SPI interface, blocking until the transfer is complete. The response
@@ -191,10 +189,7 @@
                         */
                        static inline uint8_t SerialSPI_ReceiveByte(USART_t* const USART)
                        {
-                               USART->DATA   = 0;
-                               while (!(USART->STATUS & USART_TXCIF_bm));
-                               USART->STATUS = USART_TXCIF_bm;
-                               return USART->DATA;
+                               return SerialSPI_TransferByte(USART, 0);
                        }
                        
        /* Disable C linkage for C++ Compilers: */