1 /*
2  * Copyright (c) 2021 HPMicro
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef DRV_SPI_H
8 #define DRV_SPI_H
9 
10 #include <rtthread.h>
11 #include <rtdevice.h>
12 #include <rthw.h>
13 #include <stdint.h>
14 
15 
16 #define SPI_CS_TAKE (0)
17 #define SPI_CS_RELEASE (1)
18 
19 typedef void (*cs_ctrl_callback_t)(uint32_t value);
20 
21 rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, cs_ctrl_callback_t callback);
22 
23 int rt_hw_spi_init(void);
24 
25 
26 
27 #endif /* DRV_SPI_H */
28