Add some missing function attributes.

This commit is contained in:
Dean Camera 2013-04-11 17:39:00 +00:00
parent d5e84db5ab
commit 334f70aa80
12 changed files with 74 additions and 52 deletions

View file

@ -53,17 +53,17 @@
* SPI_Init(&SPIC,
* SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
* SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
*
*
* // Send several bytes, ignoring the returned data
* SPI_SendByte(&SPIC, 0x01);
* SPI_SendByte(&SPIC, 0x02);
* SPI_SendByte(&SPIC, 0x03);
*
*
* // Receive several bytes, sending a dummy 0x00 byte each time
* uint8_t Byte1 = SPI_ReceiveByte(&SPIC);
* uint8_t Byte2 = SPI_ReceiveByte(&SPIC);
* uint8_t Byte3 = SPI_ReceiveByte(&SPIC);
*
*
* // Send a byte, and store the received byte from the same transaction
* uint8_t ResponseByte = SPI_TransferByte(&SPIC, 0xDC);
* \endcode
@ -163,6 +163,8 @@
* \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(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)
{
@ -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;