Added Serial USART peripheral driver for the XMEGA platform.

[pub/lufa.git] / LUFA / Drivers / Peripheral / XMEGA / SPI_XMEGA.h

diff --git a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
index e1d77c4..1d28d30 100644 (file)
--- a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
+++ b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
@@ -163,7 +163,7 @@
                         *  \param[in]      SPIOptions  SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*,
                         *                         \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks.
                         */
-                       static inline void SPI_Init(const SPI_t* SPI,
+                       static inline void SPI_Init(SPI_t* const SPI,
                                                    const uint8_t SPIOptions)
                        {
                                SPI->CTRL = (SPIOptions | SPI_ENABLE_bm);
@@ -171,21 +171,21 @@
 
                        /** Turns off the SPI driver, disabling and returning used hardware to their default configuration.
                         *
-                        *  \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
+                        *  \param[in, out] SPI   Pointer to the base of the SPI peripheral within the device.
                         */
-                       static inline void SPI_Disable(const SPI_t* SPI)
+                       static inline void SPI_Disable(SPI_t* const SPI)
                        {
                                SPI->CTRL &= ~SPI_ENABLE_bm;
                        }
 
                        /** Retrieves the currently selected SPI mode, once the SPI interface has been configured.
                         *
-                        *  \param[in, out] SPI         Pointer to the base of the SPI peripheral within the device.
+                        *  \param[in, out] SPI  Pointer to the base of the SPI peripheral within the device.
                         *
                         *  \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise
                         */
-                       static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI) ATTR_ALWAYS_INLINE;
-                       static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI)
+                       static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI) ATTR_ALWAYS_INLINE;
+                       static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI)
                        {
                                return (SPI->CTRL & SPI_MASTER_bm);
                        }
@@ -197,9 +197,9 @@
                         *
                         *  \return Response byte from the attached SPI device.
                         */
-                       static inline uint8_t SPI_TransferByte(const SPI_t* SPI,
+                       static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
                                                               const uint8_t Byte) ATTR_ALWAYS_INLINE;
-                       static inline uint8_t SPI_TransferByte(const SPI_t* SPI,
+                       static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
                                                               const uint8_t Byte)
                        {
                                SPI->DATA = Byte;
@@ -213,9 +213,9 @@
                         *  \param[in, out] SPI   Pointer to the base of the SPI peripheral within the device.
                         *  \param[in]      Byte  Byte to send through the SPI interface.
                         */
-                       static inline void SPI_SendByte(const SPI_t* SPI,
+                       static inline void SPI_SendByte(SPI_t* const SPI,
                                                        const uint8_t Byte) ATTR_ALWAYS_INLINE;
-                       static inline void SPI_SendByte(const SPI_t* SPI,
+                       static inline void SPI_SendByte(SPI_t* const SPI,
                                                        const uint8_t Byte)
                        {
                                SPI->DATA = Byte;
@@ -229,8 +229,8 @@
                         *
                         *  \return The response byte from the attached SPI device.
                         */
-                       static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
-                       static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI)
+                       static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+                       static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI)
                        {
                                SPI->DATA = 0;
                                while (!(SPI->STATUS & SPI_IF_bm));