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[components][drivers][spi]: 基于SPI总线驱动框架添加模拟SPI总线扩展 (#5656)

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* add soft-spi

* add spi-bit-ops.c/h to components/drivers/spi
* add a drv_soft_spi example for gd32303e-eval

Signed-off-by: kyle <kylepengchn@163.com>

* Fixed the format and the certificate.

Signed-off-by: kyle <kylepengchn@163.com>

* Update the certificate data.

Signed-off-by: kyle <kylepengchn@163.com>
This commit is contained in:
kylepengchn
2022-03-23 14:16:14 +08:00
committed by GitHub
parent 0f2e9a3afb
commit 5810f4de7d
8 changed files with 931 additions and 2 deletions
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53
components/drivers/spi/spi-bit-ops.h Normal file
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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-11 kyle first version
*/
#ifndef __SPI_BIT_OPS_H__
#define __SPI_BIT_OPS_H__
#include <rtdevice.h>
#ifdef __cplusplus
extern "C" {
#endif
struct rt_spi_bit_ops
{
void *const data; /* private data for lowlevel routines */
void (*const tog_sclk)(void *data);
void (*const set_sclk)(void *data, rt_int32_t state);
void (*const set_mosi)(void *data, rt_int32_t state);
void (*const set_miso)(void *data, rt_int32_t state);
rt_int32_t (*const get_sclk)(void *data);
rt_int32_t (*const get_mosi)(void *data);
rt_int32_t (*const get_miso)(void *data);
void (*const dir_mosi)(void *data, rt_int32_t state);
void (*const dir_miso)(void *data, rt_int32_t state);
void (*const udelay)(rt_uint32_t us);
rt_uint32_t delay_us; /* sclk、mosi and miso line delay */
};
struct rt_spi_bit_obj
{
struct rt_spi_bus bus;
struct rt_spi_bit_ops *ops;
struct rt_spi_configuration config;
};
rt_err_t rt_spi_bit_add_bus(struct rt_spi_bit_obj *obj,
const char *bus_name,
struct rt_spi_bit_ops *ops);
#ifdef __cplusplus
}
#endif
#endif