Minor documentation improvements.

[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..7042e9c 100644 (file)
--- a/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
+++ b/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2012.
+     Copyright (C) Dean Camera, 2013.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
@@ -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: */