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authorDean Camera <dean@fourwalledcubicle.com>2013-04-11 17:39:00 +0000
committerDean Camera <dean@fourwalledcubicle.com>2013-04-11 17:39:00 +0000
commit334f70aa80ecfa05a42c6006cb49d14f05555fa8 (patch)
tree7d5202f43f4613dd9cc15b72434a3881ae65e5e9 /LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
parentd5e84db5ab84d05d135d2522a419db65a4491628 (diff)
downloadlufa-334f70aa80ecfa05a42c6006cb49d14f05555fa8.tar.gz
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Add some missing function attributes.
Diffstat (limited to 'LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h')
-rw-r--r--LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h17
1 files changed, 10 insertions, 7 deletions
diff --git a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
index 4c0685182..b1678dbbe 100644
--- a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
+++ b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
@@ -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
@@ -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;