CI: Build on Arch (bleeding-ege) and Ubuntu (stable) AVR-GCC toolchains.

[pub/USBasp.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 a21ac1c..454379b 100644 (file)
--- a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
+++ b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2012.
+     Copyright (C) Dean Camera, 2018.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2018  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
@@ -40,7 +40,7 @@
 /** \ingroup Group_SPI
  *  \defgroup Group_SPI_XMEGA SPI Peripheral Driver (XMEGA)
  *
- *  \section Sec_ModDescription Module Description
+ *  \section Sec_SPI_XMEGA_ModDescription Module Description
  *  Driver for the hardware SPI port(s) available on XMEGA AVR microcontroller models. This
  *  module provides an easy to use driver for the setup and transfer of data over the AVR's
  *  SPI ports.
@@ -164,6 +164,8 @@
                         *                             \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks.
                         */
                        static inline void SPI_Init(SPI_t* const SPI,
+                                                   const uint8_t SPIOptions) ATTR_NON_NULL_PTR_ARG(1);
+                       static inline void SPI_Init(SPI_t* const SPI,
                                                    const uint8_t SPIOptions)
                        {
                                SPI->CTRL = (SPIOptions | SPI_ENABLE_bm);
@@ -173,6 +175,7 @@
                         *
                         *  \param[in,out] SPI   Pointer to the base of the SPI peripheral within the device.
                         */
+                       static inline void SPI_Disable(SPI_t* const SPI) ATTR_NON_NULL_PTR_ARG(1);
                        static inline void SPI_Disable(SPI_t* const SPI)
                        {
                                SPI->CTRL &= ~SPI_ENABLE_bm;
@@ -184,7 +187,7 @@
                         *
                         *  \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(SPI_t* const SPI) ATTR_ALWAYS_INLINE;
+                       static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
                        static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI)
                        {
                                return (SPI->CTRL & SPI_MASTER_bm);
@@ -198,7 +201,7 @@
                         *  \return Response byte from the attached SPI device.
                         */
                        static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
-                                                              const uint8_t Byte) ATTR_ALWAYS_INLINE;
+                                                              const uint8_t Byte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
                        static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
                                                               const uint8_t Byte)
                        {
@@ -214,7 +217,7 @@
                         *  \param[in]     Byte  Byte to send through the SPI interface.
                         */
                        static inline void SPI_SendByte(SPI_t* const SPI,
-                                                       const uint8_t Byte) ATTR_ALWAYS_INLINE;
+                                                       const uint8_t Byte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
                        static inline void SPI_SendByte(SPI_t* const SPI,
                                                        const uint8_t Byte)
                        {
@@ -229,7 +232,7 @@
                         *
                         *  \return The response byte from the attached SPI device.
                         */
-                       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) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
                        static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI)
                        {
                                SPI->DATA = 0;