text: /*
   * Copyright (c) 2006-2021, RT-Thread Development Team
   *
   * SPDX-License-Identifier: Apache-2.0
   *
   * Change Logs:
   * Date           Author       Notes
   * 2020-01-09     shelton      first version
   */
  
  #ifndef __DRV_SPI__
  #define __DRV_SPI__
  
  #include <rtthread.h>
  #include <drivers/spi.h>
  #include "at32f4xx.h"
  
  struct at32_spi_config
  {
      SPI_Type *spix;
      const char *spi_name;
  };
  
  struct at32_spi
  {
      struct at32_spi_config *config;
      struct rt_spi_bus spi_bus;
  };
  
  struct at32_spi_cs
  {
      GPIO_Type *GPIOx;
      uint32_t GPIO_Pin;
  };
  
  /* public function */
  int rt_hw_spi_init(void);
  rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_Type *cs_gpiox, uint16_t cs_gpio_pin);
  
  #endif // __DRV_SPI__
  