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| author | Karel Kočí <cynerd@email.cz> | 2016-03-20 16:39:30 +0100 |
|---|---|---|
| committer | Karel Kočí <cynerd@email.cz> | 2016-03-20 16:39:30 +0100 |
| commit | 9439c6f1caffd938673018f3af7460b33a12528e (patch) | |
| tree | 55eb32bfb1f90a489982853f698619a2083a4285 /include/spi.h | |
| parent | 1ac3026c039cb15dd8c110c84215096854c3c804 (diff) | |
| download | avr-ioe-9439c6f1caffd938673018f3af7460b33a12528e.tar.gz avr-ioe-9439c6f1caffd938673018f3af7460b33a12528e.tar.bz2 avr-ioe-9439c6f1caffd938673018f3af7460b33a12528e.zip | |
Another work progress
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/spi.h b/include/spi.h index 8d51eb9..bdfce25 100644 --- a/include/spi.h +++ b/include/spi.h @@ -9,6 +9,11 @@ #define _IOE_SPI_H_ #ifdef CONFIG_SPI +/*! \brief Modes definition for spi_init + * + * This enum is used by spi_init to define if SPI should be initialized as master + * or slave. + */ enum spiMode { SPI_MODE_MASTER, SPI_MODE_SLAVE @@ -17,6 +22,10 @@ enum spiMode { volatile extern int8_t _spi_busy; volatile extern Mutex spi_mutex; +/*! \brief Initializes SPI interface. + * + * \param mode Specify mode of SPI interface + */ static inline void spi_init(enum spiMode mode) { _spi_busy = 0; if (mode == SPI_MODE_MASTER) { @@ -59,7 +68,6 @@ static inline void spi_expose(uint8_t data) { SPDR = data; } -// Null terminated array extern void (*spi_receive)(uint8_t data); #endif /* CONFIG_SPI */ |