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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 19 | jimmy | 1 | #ifndef SPI_H_ |
| 2 | #define SPI_H_ |
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| 3 | |||
| 4 | /* ----------------------------------------------------------------------------- |
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| 5 | * Includes |
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| 6 | * ---------------------------------------------------------------------------*/ |
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| 7 | #include <inttypes.h> |
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| 8 | #include <avr/io.h> |
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| 9 | |||
| 10 | /* ----------------------------------------------------------------------------- |
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| 11 | * Defines |
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| 12 | * ---------------------------------------------------------------------------*/ |
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| 13 | #define DDR_SPI DDRB |
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| 14 | #define DD_MOSI PB3 |
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| 15 | #define DD_MISO PB4 |
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| 16 | #define DD_SCK PB5 |
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| 17 | #define DD_CS PB2 |
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| 18 | |||
| 19 | /* ----------------------------------------------------------------------------- |
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| 20 | * Function prototypes |
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| 21 | * ---------------------------------------------------------------------------*/ |
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| 22 | void SPI_master_init(void); |
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| 23 | void SPI_chip_select(void); |
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| 24 | void SPI_chip_unselect(void); |
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| 25 | uint8_t SPI_master_send(uint8_t byte); |
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| 26 | void SPI_slave_init(void); |
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| 27 | uint8_t SPI_slave_receive(void); |
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| 28 | |||
| 29 | |||
| 30 | #endif /*SPI_H_*/ |