/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2017-12-04 Haley the first version */ #ifndef __SPI_H_ #define __SPI_H_ #include <rtthread.h> /* 片选信号结构声明 */ struct am_spi_cs { rt_uint32_t chip_select; }; /** * @brief External function definitions * */ int yr_hw_spi_init(void); #endif // __SPI_H_