26 lines
668 B
C
26 lines
668 B
C
/**
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* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _PIO_SPI_H
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#define _PIO_SPI_H
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#include "hardware/pio.h"
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#include "spi.pio.h"
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typedef struct pio_spi_inst {
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PIO pio;
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uint sm;
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uint cs_pin;
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} pio_spi_inst_t;
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void pio_spi_write8_blocking(const pio_spi_inst_t *spi, const uint8_t *src, size_t len);
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void pio_spi_read8_blocking(const pio_spi_inst_t *spi, uint8_t *dst, size_t len);
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void pio_spi_write8_read8_blocking(const pio_spi_inst_t *spi, uint8_t *src, uint8_t *dst, size_t len);
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void pio_spi_repeat8_read8_blocking(const pio_spi_inst_t *spi, uint8_t src, uint8_t *dst, size_t len);
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#endif |