blob: 21c56bcd874e95e27d6c0a18893699e6a4175a6d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
* Copyright (c) 2026 HPMicro
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __DRV_SOFT_SPI__
#define __DRV_SOFT_SPI__
#include <rtthread.h>
#ifdef BSP_USING_SOFT_SPI
#include <rthw.h>
#include <rtdevice.h>
/* rt_spi_bit_ops is defined in dev_spi_bit_ops.h */
#include <dev_spi_bit_ops.h>
/* HPM config class */
struct hpm_soft_spi_config
{
const char *sck_pin_name;
const char *mosi_pin_name;
const char *miso_pin_name;
const char *bus_name;
};
/* HPM spi driver class */
struct hpm_soft_spi
{
struct rt_spi_bit_obj spi; /* bit-banged spi object (contains rt_spi_bus inside) */
struct rt_spi_bit_ops ops; /* local copy of bit ops */
void *cfg; /* pointer to hpm_soft_spi_config */
};
int rt_hw_spi_init(void);
rt_err_t rt_hw_soft_spi_device_attach(const char *bus_name, const char *device_name, const char *pin_name);
#endif /* BSP_USING_SOFT_SPI */
#endif /* __DRV_SOFT_SPI__ */
|
