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30 lines
725 B
C
30 lines
725 B
C
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#ifndef __CORE_SPI_H__KBMMOKI6CG__
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#define __CORE_SPI_H__KBMMOKI6CG__
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#include <stdint.h>
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void
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spi_init();
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#define SPI_POLARITY_INACTIVE_HIGH 1
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#define SPI_POLARITY_INACTIVE_LOW 1
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#define SPI_PHASE_CHANGE_CAPTURE 0
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#define SPI_PHASE_CAPTURE_CHANGE 1
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struct spi_block {
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const uint8_t *send; /* NULL for receive only */
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uint8_t *receive; /* NULL for send only */
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uint16_t len; /* transfer length, non-zero */
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};
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void
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spi_transfer(unsigned int chip, const struct spi_block *block, unsigned int blocks);
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void
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spi_init_chip_select(unsigned int chip, unsigned int speed,
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unsigned int dlybct,
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unsigned int dlybs, unsigned int phase,
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unsigned int polarity);
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#endif /* __CORE_SPI_H__KBMMOKI6CG__ */
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