void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
{
  GPIO_InitTypeDef GPIO_InitStruct;
  if(hspi->Instance==SPI1)
  {
  /* USER CODE BEGIN SPI1_MspInit 0 */
  /* USER CODE END SPI1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_SPI1_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**SPI1 GPIO Configuration
    PA5     ------> SPI1_SCK
    PA6     ------> SPI1_MISO
    PA7     ------> SPI1_MOSI
    */
    GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    GPIO_InitStruct.Pin = GPIO_PIN_6;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  /* USER CODE BEGIN SPI1_MspInit 1 */
  /* USER CODE END SPI1_MspInit 1 */
  }
  if(hspi->Instance==SPI2)
  {
  /* USER CODE BEGIN SPI2_MspInit 0 */
  /* USER CODE END SPI2_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_SPI2_CLK_ENABLE();
    GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_15;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    GPIO_InitStruct.Pin = GPIO_PIN_14;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  }
}

static int rt_hw_spi_flash_init(void)
{
    __HAL_RCC_GPIOB_CLK_ENABLE();
    rt_hw_spi_device_attach("spi2", "spi20", GPIOB, GPIO_PIN_12);// spi10 表示挂载在 spi3 总线上的 0 号设备,PC0是片选，这一步就可以将从设备挂在到总线中。
    if (RT_NULL == rt_sfud_flash_probe("W25Q64", "spi20"))  //注册块设备，这一步可以将外部flash抽象为系统的块设备
    {
        return -RT_ERROR;
    };
    return RT_EOK;
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_init);
static int mnt_init(void)
{
    mkfs("elm","W25Q64");//挂在前需格式化
    if(dfs_mount("W25Q64","/","elm",0,0)==0) //挂载文件系统，参数：块设备名称、挂载目录、文件系统类型、读写标志、私有数据0
    {
        rt_kprintf("dfs mount success\r\n");
    }
    else
    {
        rt_kprintf("dfs mount failed\r\n");
    }
}
INIT_ENV_EXPORT(mnt_init);

#define ENC28J60_INT    GET_PIN(C, 5)
static int rt_hw_enc28j60_init(void)
{
        rt_hw_spi_device_attach("spi1", "spi10", GPIOC, GPIO_PIN_4);//PC4 ENC28J60片选CS
        enc28j60_attach("spi10");
        rt_pin_mode(ENC28J60_INT, PIN_MODE_INPUT_PULLUP);
        rt_pin_attach_irq(ENC28J60_INT, PIN_IRQ_MODE_FALLING, (void(*)(void*))enc28j60_isr, RT_NULL);
        rt_pin_irq_enable(ENC28J60_INT, PIN_IRQ_ENABLE);
}
INIT_COMPONENT_EXPORT(rt_hw_enc28j60_init);