/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-10-11 kyle first version * 2022-6-14 solar Remove the const attribute of private data in ops */ #ifndef __SPI_BIT_OPS_H__ #define __SPI_BIT_OPS_H__ #include #ifdef __cplusplus extern "C" { #endif struct rt_spi_bit_ops { void *data; /* private data for lowlevel routines */ void (*const pin_init)(void); 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