| 1 | #ifndef __SPI_MASTER_H
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| 2 | #define __SPI_MASTER_H
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| 3 | //-----------------------------------------------------------------------------
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| 4 |
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| 5 | #include "typedefs.h"
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| 6 | #include "application.h"
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| 7 | #include "usart.h"
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| 8 | //-----------------------------------------------------------------------------
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| 9 | #define SPI_READ_BUFFER_SIZE 16
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| 10 | #define SPI_WRITE_BUFFER_SIZE 16
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| 11 |
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| 12 | #define SPI_MAX_SLAVE_INDEX 2 //?
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| 13 | #define SPI_MAX_CLOCK_INDEX 6 //?
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| 14 | //-----------------------------------------------------------------------------
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| 15 | extern volatile U08 spi_clock_index;
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| 16 | extern volatile U08 spi_cpol;
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| 17 | extern volatile U08 spi_cpha;
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| 18 | extern volatile U08 spi_dord;
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| 19 | extern volatile U08 SPI_DEVICE_SS[4];
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| 20 | extern volatile BOOL SPI_DEVICE_ACTIVE_HIGH[4];
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| 21 |
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| 22 | extern volatile U08 spi_read_buffer[SPI_READ_BUFFER_SIZE];
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| 23 | extern volatile U08 spi_write_buffer[SPI_WRITE_BUFFER_SIZE];
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| 24 | //-----------------------------------------------------------------------------
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| 25 |
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| 26 | void spi_init(void);
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| 27 | void spi_transfer(U08 bytes, U08 device);
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| 28 | void spi_transfer_w5100(U08 bytes);
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| 29 | U08 spi_transfer_byte(U08 data);
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| 30 | void spi_set_clock_index(U08 clock_index);
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| 31 | void spi_set_dord(U08 dord);
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| 32 | void spi_set_cpol(U08 cpol);
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| 33 | void spi_set_cpha(U08 cpha);
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| 34 | void spi_setup(void);
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| 35 | void spi_setup_ad7719();
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| 36 | void spi_setup_w5100();
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| 37 | void spi_transfer_string(U08 length, U08* addr, U08 device);
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| 38 | //-----------------------------------------------------------------------------
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| 39 |
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| 40 | #endif
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