i2c_emul.h

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/*
 * Copyright 2020 Google LLC
 * Copyright (c) 2020 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_
#define ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_
 
#include <zephyr/device.h>
#include <zephyr/drivers/emul.h>
#include <zephyr/drivers/i2c.h>
#include <zephyr/sys/slist.h>
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct i2c_msg;
struct i2c_emul_api;
 
struct i2c_emul {
        sys_snode_t node;
 
        const struct emul *target;
 
        /* API provided for this device */
        const struct i2c_emul_api *api;
 
        struct i2c_emul_api *mock_api;
 
        /* I2C address of the emulated device */
        uint16_t addr;
};
 
typedef int (*i2c_emul_transfer_t)(const struct emul *target, struct i2c_msg *msgs, int num_msgs,
                                   int addr);
 
int i2c_emul_register(const struct device *dev, struct i2c_emul *emul);
 
struct i2c_emul_api {
        i2c_emul_transfer_t transfer;
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_ */