root / trunk / code / projects / libdragonfly / spi.h @ 1519
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1 | 868 | justin | /**
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2 | * @file spi.h
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3 | * @brief Definitions for SPI
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4 | * @author Colony Project, CMU Robotics Club
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5 | **/
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6 | |||
7 | /**
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8 | * @addtogroup spi
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9 | * @{
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10 | **/
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11 | |||
12 | #ifndef __SPI_H__
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13 | #define __SPI_H__
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14 | |||
15 | #define DOUBLE_SCK 1 |
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16 | #define SPR0_BIT 1 |
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17 | |||
18 | #define MASTER 1 |
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19 | #define SLAVE 0 |
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20 | |||
21 | #define MOSI _BV(PB2)
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22 | #define MISO _BV(PB3)
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23 | #define SS _BV(PB0)
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24 | #define SCLK _BV(PB1)
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25 | |||
26 | 1496 | jsexton | typedef void (*spi_fun_recv_t)(char); |
27 | 868 | justin | typedef void (*spi_fun_recv_complete_t)(void); |
28 | |||
29 | /**
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30 | * @brief Initialize SPI
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31 | *
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32 | * @param spi_fun_recv_t The function that handles SPI data, byte for byte.
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33 | * @param spi_fun_recv_complete_t Called on a completed transmission - typically for cleaning up.
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34 | */
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35 | 1496 | jsexton | void spi_init (spi_fun_recv_t, spi_fun_recv_complete_t);
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36 | 868 | justin | |
37 | /**
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38 | * @brief Initialize SPI transfer.
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39 | *
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40 | * @param char The number of bytes to transfer.
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41 | */
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42 | 1496 | jsexton | void spi_transfer (char); |
43 | 868 | justin | |
44 | /**@}**/ //end group |
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45 | |||
46 | #endif |