spi-bit-ops.h
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/*
* Copyright (c) 2006-2022, 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