1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2022-10-01     zhs          the first version which add from wch
9  */
10 #ifndef LIBRARIES_HAL_DRIVERS_DRV_SOFT_SPI_H_
11 #define LIBRARIES_HAL_DRIVERS_DRV_SOFT_SPI_H_
12 
13 #include <rthw.h>
14 #include <rtdevice.h>
15 #include <dev_spi_bit_ops.h>
16 
17 /* ch32 soft spi config */
18 struct ch32_soft_spi_config
19 {
20     rt_uint8_t sck;
21     rt_uint8_t mosi;
22     rt_uint8_t miso;
23     const char *bus_name;
24 };
25 
26 /* ch32 soft spi dirver */
27 struct ch32_soft_spi
28 {
29     struct rt_spi_bit_obj spi;
30     struct ch32_soft_spi_config *cfg;
31 };
32 
33 #ifdef BSP_USING_SOFT_SPI1
34 #define SOFT_SPI1_BUS_CONFIG                            \
35 {                                                       \
36     .sck = BSP_S_SPI1_SCK_PIN,                          \
37     .mosi = BSP_S_SPI1_MOSI_PIN,                        \
38     .miso = BSP_S_SPI1_MISO_PIN,                        \
39     .bus_name = "sspi1",                                \
40 }
41 #endif /* BSP_USING_SOFT_SPI1 */
42 #ifdef BSP_USING_SOFT_SPI2
43 #define SOFT_SPI2_BUS_CONFIG                            \
44 {                                                       \
45     .sck = BSP_S_SPI2_SCK_PIN,                          \
46     .mosi = BSP_S_SPI2_MOSI_PIN,                        \
47     .miso = BSP_S_SPI2_MISO_PIN,                        \
48     .bus_name = "sspi2",                                \
49 }
50 #endif /* BSP_USING_SOFT_SPI2 */
51 
52 rt_err_t rt_hw_soft_spi_device_attach(const char *bus_name, const char *device_name, const char *pin_name);
53 int rt_soft_spi_init(void);
54 
55 #endif /* __DRV_SOFT_SPI__ */
56 
57