ra8_io_i2c_bus.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"
#include "ra8_i2c_bus_ops.h"
 
/* =============================================================================
 * Interface + handle
 * =============================================================================
 */

typedef struct ra8_io_i2c_bus_iface ra8_io_i2c_bus_iface_t;

typedef struct {
  const ra8_io_i2c_bus_iface_t* iface; 
  void*                         ctx;   
} ra8_io_i2c_bus_t;
 
/* =============================================================================
 * Public API
 * =============================================================================
 */

[[nodiscard]] ra8_err_t ra8_io_i2c_bus_write(const ra8_io_i2c_bus_t* bus,
                                             uint8_t                 addr,
                                             const uint8_t*          data,
                                             uint32_t                len,
                                             bool                    send_stop);

[[nodiscard]] ra8_err_t
ra8_io_i2c_bus_read(const ra8_io_i2c_bus_t* bus, uint8_t addr, uint8_t* data, uint32_t len);

[[nodiscard]] ra8_err_t ra8_io_i2c_bus_transfer(const ra8_io_i2c_bus_t* bus,
                                                uint8_t                 addr,
                                                const uint8_t*          wr,
                                                uint32_t                wr_len,
                                                uint8_t*                rd,
                                                uint32_t                rd_len);

[[nodiscard]] ra8_err_t ra8_io_i2c_bus_as_ops(const ra8_io_i2c_bus_t* bus, ra8_i2c_bus_ops_t* out);
 
#ifdef __cplusplus
}
#endif