ra8_io_spi_bus.h

Go to the documentation of this file.

 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"
#include "ra8_spi.h"
#include "ra8_spi_bus_ops.h"
 
/* =============================================================================
 * Interface + handle
 * =============================================================================
 */

typedef struct ra8_io_spi_bus_iface ra8_io_spi_bus_iface_t;

typedef struct {
  const ra8_io_spi_bus_iface_t* iface; 
  void*                         ctx;   
} ra8_io_spi_bus_t;
 
/* =============================================================================
 * Public API
 * =============================================================================
 */

[[nodiscard]] ra8_err_t ra8_io_spi_bus_xfer8(const ra8_io_spi_bus_t* bus, uint8_t tx, uint8_t* rx);

[[nodiscard]] ra8_err_t ra8_io_spi_bus_write_read(const ra8_io_spi_bus_t* bus,
                                                  const void*             tx,
                                                  void*                   rx,
                                                  uint32_t                len,
                                                  ra8_spi_bit_width_t     width);

[[nodiscard]] ra8_err_t
ra8_io_spi_bus_set_clock(const ra8_io_spi_bus_t* bus, uint32_t baud_hz, uint32_t pclk_hz);

[[nodiscard]] ra8_err_t ra8_io_spi_bus_as_ops(const ra8_io_spi_bus_t* bus, ra8_spi_bus_ops_t* out);
 
#ifdef __cplusplus
}
#endif