Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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i2c_emul.h
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1
7/*
8 * Copyright 2020 Google LLC
9 * Copyright (c) 2020 Nordic Semiconductor ASA
10 *
11 * SPDX-License-Identifier: Apache-2.0
12 */
13#ifndef ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_
14#define ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_
15
16#include <zephyr/device.h>
17#include <zephyr/drivers/emul.h>
18#include <zephyr/drivers/i2c.h>
19#include <zephyr/sys/slist.h>
20#include <zephyr/types.h>
21
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33struct i2c_msg;
34struct i2c_emul_api;
35
37struct i2c_emul {
39
41 const struct emul *target;
42
43 /* API provided for this device */
44 const struct i2c_emul_api *api;
45
51
52 /* I2C address of the emulated device */
54};
55
69typedef int (*i2c_emul_transfer_t)(const struct emul *target, struct i2c_msg *msgs, int num_msgs,
70 int addr);
71
79int i2c_emul_register(const struct device *dev, struct i2c_emul *emul);
80
85
86#ifdef __cplusplus
87}
88#endif
89
94#endif /* ZEPHYR_INCLUDE_DRIVERS_I2C_I2C_EMUL_H_ */
Public APIs for the I2C drivers.
int(* i2c_emul_transfer_t)(const struct emul *target, struct i2c_msg *msgs, int num_msgs, int addr)
Passes I2C messages to the emulator.
Definition i2c_emul.h:69
int i2c_emul_register(const struct device *dev, struct i2c_emul *emul)
Register an emulated device on the controller.
struct _snode sys_snode_t
Single-linked list node structure.
Definition slist.h:39
__UINT16_TYPE__ uint16_t
Definition stdint.h:89
Runtime device structure (in ROM) per driver instance.
Definition device.h:403
An emulator instance - represents the target emulated device/peripheral that is interacted with throu...
Definition emul.h:80
Definition of the emulator API.
Definition i2c_emul.h:82
i2c_emul_transfer_t transfer
Definition i2c_emul.h:83
Node in a linked list of emulators for I2C devices.
Definition i2c_emul.h:37
const struct emul * target
Target emulator - REQUIRED for all emulated bus nodes of any type.
Definition i2c_emul.h:41
sys_snode_t node
Definition i2c_emul.h:38
const struct i2c_emul_api * api
Definition i2c_emul.h:44
uint16_t addr
Definition i2c_emul.h:53
struct i2c_emul_api * mock_api
A mock API that if not NULL will take precedence over the actual API.
Definition i2c_emul.h:50
One I2C Message.
Definition i2c.h:184