1 /*
2  * Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2022-04-28     CDT          first version
9  */
10 
11 #ifndef __DRV_I2C_SOFT_H__
12 #define __DRV_I2C_SOFT_H__
13 
14 /*******************************************************************************
15  * Include files
16  ******************************************************************************/
17 #include <rtdevice.h>
18 
19 /* C binding of definitions if building with C++ compiler */
20 #ifdef __cplusplus
21 extern "C"
22 {
23 #endif
24 
25 /*******************************************************************************
26  * Global type definitions ('typedef')
27  ******************************************************************************/
28 struct hc32_soft_i2c_config
29 {
30     rt_uint16_t scl_pin;
31     rt_uint16_t sda_pin;
32     const char  *bus_name;
33 };
34 
35 struct hc32_soft_i2c
36 {
37     struct rt_i2c_bit_ops    ops;
38     struct rt_i2c_bus_device i2c_bus;
39 };
40 
41 #ifdef BSP_USING_I2C1_SW
42 #define I2C1_BUS_CONFIG                                     \
43     {                                                       \
44         .scl_pin  = BSP_I2C1_SCL_PIN,                       \
45         .sda_pin  = BSP_I2C1_SDA_PIN,                       \
46         .bus_name = "i2c1_sw",                              \
47     }
48 #endif
49 
50 #ifdef BSP_USING_I2C2_SW
51 #define I2C2_BUS_CONFIG                                     \
52     {                                                       \
53         .scl_pin = BSP_I2C2_SCL_PIN,                        \
54         .sda_pin = BSP_I2C2_SDA_PIN,                        \
55         .bus_name = "i2c2_sw",                              \
56     }
57 #endif
58 
59 #ifdef BSP_USING_I2C3_SW
60 #define I2C3_BUS_CONFIG                                     \
61     {                                                       \
62         .scl_pin = BSP_I2C3_SCL_PIN,                        \
63         .sda_pin = BSP_I2C3_SDA_PIN,                        \
64         .bus_name = "i2c3_sw",                              \
65     }
66 #endif
67 
68 #ifdef BSP_USING_I2C4_SW
69 #define I2C4_BUS_CONFIG                                     \
70     {                                                       \
71         .scl_pin = BSP_I2C4_SCL_PIN,                        \
72         .sda_pin = BSP_I2C4_SDA_PIN,                        \
73         .bus_name = "i2c4_sw",                              \
74     }
75 #endif
76 
77 #ifdef BSP_USING_I2C5_SW
78 #define I2C5_BUS_CONFIG                                     \
79     {                                                       \
80         .scl_pin = BSP_I2C5_SCL_PIN,                        \
81         .sda_pin = BSP_I2C5_SDA_PIN,                        \
82         .bus_name = "i2c5_sw",                              \
83     }
84 #endif
85 
86 #ifdef BSP_USING_I2C6_SW
87 #define I2C6_BUS_CONFIG                                     \
88     {                                                       \
89         .scl_pin = BSP_I2C6_SCL_PIN,                        \
90         .sda_pin = BSP_I2C6_SDA_PIN,                        \
91         .bus_name = "i2c6_sw",                              \
92     }
93 #endif
94 
95 #ifdef __cplusplus
96 }
97 #endif
98 
99 #endif /* __DRV_SOFT_I2C_H__ */
100 
101 /*******************************************************************************
102  * EOF (not truncated)
103  ******************************************************************************/
104