pimoroni-pico/drivers/sdcard/pio_spi.h

26 wiersze
668 B
C

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