diff options
Diffstat (limited to 'LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h')
-rw-r--r-- | LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h index 8b289fb66..e2c3d6a10 100644 --- a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h +++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h @@ -70,24 +70,27 @@ #endif /* Public Interface - May be used in end-application: */ - /* Pseudo-Function Macros: */ - #if defined(__DOXYGEN__) - /** Initializes the TWI hardware into master mode, ready for data transmission and reception. This must be - * before any other TWI operations. - */ - static inline void TWI_Init(void); - - /** Turns off the TWI driver hardware. If this is called, any further TWI operations will require a call to - * \ref TWI_Init() before the TWI can be used again. - */ - static inline void TWI_ShutDown(void); - #else - #define TWI_Init() MACROS{ TWCR |= (1 << TWEN); }MACROE - #define TWI_ShutDown() MACROS{ TWCR &= ~(1 << TWEN); }MACROE - #endif - /* Inline Functions: */ + /** Initializes the TWI hardware into master mode, ready for data transmission and reception. This must be + * before any other TWI operations. + */ + static inline void TWI_Init(void) ATTR_ALWAYS_INLINE; + static inline void TWI_Init(void) + { + TWCR |= (1 << TWEN); + } + + /** Turns off the TWI driver hardware. If this is called, any further TWI operations will require a call to + * \ref TWI_Init() before the TWI can be used again. + */ + static inline void TWI_ShutDown(void) ATTR_ALWAYS_INLINE; + static inline void TWI_ShutDown(void) + { + TWCR &= ~(1 << TWEN); + } + /** Sends a TWI STOP onto the TWI bus, terminating communication with the currently addressed device. */ + static inline void TWI_StopTransmission(void) ATTR_ALWAYS_INLINE; static inline void TWI_StopTransmission(void) { TWCR = ((1 << TWINT) | (1 << TWSTO) | (1 << TWEN)); |