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  * 2023-06-02     Chushicheng  the first version
9  */
10 #ifndef DRV_SOFT_SPI_H_
11 #define DRV_SOFT_SPI_H_
12 
13 #ifdef BSP_USING_SOFT_SPI
14 #include <rtdevice.h>
15 #include <dev_spi_bit_ops.h>
16 
17 /* pico soft spi config */
18 struct pico_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 /* pico soft spi dirver */
27 struct pico_soft_spi
28 {
29     struct rt_spi_bit_obj spi;
30     struct pico_soft_spi_config *cfg;
31 };
32 
33 #ifdef BSP_USING_SOFT_SPI0
34 #define SOFT_SPI0_BUS_CONFIG                                \
35     {                                                       \
36         .sck = BSP_S_SPI0_SCK_PIN,                          \
37         .mosi = BSP_S_SPI0_MOSI_PIN,                        \
38         .miso = BSP_S_SPI0_MISO_PIN,                        \
39         .bus_name = "sspi0",                                \
40     }
41 #endif /* BSP_USING_SOFT_SPI0 */
42 #ifdef BSP_USING_SOFT_SPI1
43 #define SOFT_SPI1_BUS_CONFIG                                \
44     {                                                       \
45         .sck = BSP_S_SPI1_SCK_PIN,                          \
46         .mosi = BSP_S_SPI_MOSI_PIN,                        \
47         .miso = BSP_S_SPI1_MISO_PIN,                        \
48         .bus_name = "sspi1",                                \
49     }
50 #endif /* BSP_USING_SOFT_SPI1 */
51 
52 rt_err_t rt_hw_softspi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
53 int rt_soft_spi_init(void);
54 
55 #endif /* BSP_USING_SOFT_SPI */
56 #endif /* __DRV_SOFT_SPI__ */
57