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#ifndef SPI_H
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#ifndef SPI_H
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#define	SPI_H
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#define	SPI_H
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#include "defines.h"
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#define MAXSPIBUF 64
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#define MAXSPIBUF 64
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// Option to use interrupt. If interrupt are used, SPI write does not block but
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// Option to use interrupt. If interrupt are used, SPI write does not block but
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//  there is a longer delay between reading/writing data
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//  there is a longer delay between reading/writing data
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//#define SPI2_USE_INTERRUPT
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//#define SPI2_USE_INTERRUPT
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// Option to write only
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#define SPI2_WRITE_ONLY
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// SPI speed selection
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// SPI speed selection
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#define SPI2_FOSC_64        0b0010
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#define SPI2_FOSC_64        0b0010
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#define SPI2_FOSC_16        0b0001
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#define SPI2_FOSC_16        0b0001
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#define SPI2_FOSC_8         0b1010
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#define SPI2_FOSC_8         0b1010
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#define SPI2_FOSC_4         0b0000
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#define SPI2_FOSC_4         0b0000
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typedef struct __SPI_DATA {
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typedef struct __SPI_DATA {
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#ifndef SPI2_WRITE_ONLY
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    unsigned char buffer_in[MAXSPIBUF];
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    unsigned char buffer_in[MAXSPIBUF];
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    unsigned char buffer_in_read_ind;
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    unsigned char buffer_in_read_ind;
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    unsigned char buffer_in_write_ind;
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    unsigned char buffer_in_write_ind;
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    unsigned char buffer_in_len;
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    unsigned char buffer_in_len;
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#endif
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    unsigned char buffer_out[MAXSPIBUF];
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    unsigned char buffer_out[MAXSPIBUF];
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    unsigned char buffer_out_ind;
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    unsigned char buffer_out_ind;
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    unsigned char buffer_out_len;
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    unsigned char buffer_out_len;
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} SPI_DATA;
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} SPI_DATA;
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void SPI2_Init(unsigned char speed);
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void SPI2_Init(unsigned char speed);
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void SPI2_Recv_Interrupt_Handler(void);
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void SPI2_Write(unsigned char *msg, unsigned int length);
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void SPI2_Write(unsigned char *msg, unsigned int length);
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void SPI2_Write_Repeat(unsigned char c, unsigned int length);
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void SPI2_Write_Repeat(unsigned char c, unsigned int length);
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#ifndef SPI2_WRITE_ONLY
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void SPI2_Recv_Interrupt_Handler(void);
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void SPI2_Read(unsigned char length);
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void SPI2_Read(unsigned char length);
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unsigned char SPI2_Buffer_Len(void);
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unsigned char SPI2_Buffer_Len(void);
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unsigned char SPI2_Read_Buffer(unsigned char *buffer);
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unsigned char SPI2_Read_Buffer(unsigned char *buffer);
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#endif
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#endif	/* SPI_H */
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#endif	/* SPI_H */
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