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226 Kevin 1 
#ifndef SPI4_H
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#define	SPI4_H
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#define SPI4_BUFFER_OUT_SIZE    10
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#define SPI4_BUFFER_IN_SIZE     10
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typedef struct {
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    uint8_t buffer_out[SPI4_BUFFER_OUT_SIZE];
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    uint32_t buffer_out_ind;
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    uint32_t buffer_out_len;
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    uint8_t write_blank;
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    uint8_t buffer_in[SPI4_BUFFER_IN_SIZE];
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    uint32_t buffer_in_ind;
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    uint32_t buffer_in_len;
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    void (*tx_callback)(void);
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    void (*rx_callback)(uint8_t, uint8_t *);
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} SPI4_DATA;
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void SPI4_Init(SPI4_DATA *data);
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uint8_t SPI4_Read(uint32_t length, void (*rx_callback)(uint8_t, uint8_t *));
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uint8_t SPI4_Write(uint8_t *array, uint32_t length, void (*tx_callback)(void));
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#endif	/* SPI4_H */
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