Add finished initial LUFA Atmel Studio binary blob and supporting files.
[pub/USBasp.git] / LUFA / Drivers / Peripheral / XMEGA / SerialSPI_XMEGA.h
index a0e9e33..38b682c 100644 (file)
@@ -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
 
                        /** SPI data order mask for \ref SerialSPI_Init(). Indicates that data should be shifted out LSB first. */
                        #define USART_SPI_ORDER_LSB_FIRST      USART_UDORD_bm
-                       //@}                    
+                       //@}
 
                /* Inline Functions: */
-                       /** Initialize the USART module in Master SPI mode. 
+                       /** Initialize the USART module in Master SPI mode.
                         *
                         *  \param[in,out] USART        Pointer to the base of the USART peripheral within the device.
                         *  \param[in]     SPIOptions   USART SPI Options, a mask consisting of one of each of the \c USART_SPI_SCK_*,
                         */
                        static inline void SerialSPI_Init(USART_t* const USART,
                                                          const uint8_t SPIOptions,
+                                                         const uint32_t BaudRate) ATTR_NON_NULL_PTR_ARG(1);
+                       static inline void SerialSPI_Init(USART_t* const USART,
+                                                         const uint8_t SPIOptions,
                                                          const uint32_t BaudRate)
                        {
                                uint16_t BaudValue = SERIAL_SPI_UBBRVAL(BaudRate);
-                       
+
                                USART->BAUDCTRLB = (BaudValue >> 8);
                                USART->BAUDCTRLA = (BaudValue & 0xFF);
-                       
+
                                USART->CTRLC = (USART_CMODE_MSPI_gc | SPIOptions);
                                USART->CTRLB = (USART_RXEN_bm | USART_TXEN_bm);
                        }
-                       
+
                        /** Turns off the USART driver, disabling and returning used hardware to their default configuration.
                         *
                         *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
                         */
+                       static inline void SerialSPI_Disable(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
                        static inline void SerialSPI_Disable(USART_t* const USART)
                        {
                                USART->CTRLA = 0;
                                USART->CTRLB = 0;
                                USART->CTRLC = 0;
                        }
-                       
+
                        /** Sends and receives a byte through the USART SPI interface, blocking until the transfer is complete.
                         *
                         *  \param[in,out] USART     Pointer to the base of the USART peripheral within the device.
                         *  \return Response byte from the attached SPI device.
                         */
                        static inline uint8_t SerialSPI_TransferByte(USART_t* const USART,
+                                                                    const uint8_t DataByte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
+                       static inline uint8_t SerialSPI_TransferByte(USART_t* const USART,
                                                                     const uint8_t DataByte)
                        {
                                USART->DATA   = DataByte;
                         *  \param[in]     DataByte  Byte to send through the USART SPI interface.
                         */
                        static inline void SerialSPI_SendByte(USART_t* const USART,
+                                                             const uint8_t DataByte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1)
+                       static inline void SerialSPI_SendByte(USART_t* const USART,
                                                              const uint8_t DataByte)
                        {
                                SerialSPI_TransferByte(USART, DataByte);
                         *
                         *  \return The response byte from the attached SPI device.
                         */
+                       static inline uint8_t SerialSPI_ReceiveByte(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
                        static inline uint8_t SerialSPI_ReceiveByte(USART_t* const USART)
                        {
                                return SerialSPI_TransferByte(USART, 0);
                        }
-                       
+
        /* Disable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
                        }