/**
  ******************************************************************************
  * @file           : usbd_cdc_if.h
  * @version        : v2.0_Cube
  * @brief          : Header for usbd_cdc_if.c file.
  ******************************************************************************
  * This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether 
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * Copyright (c) 2018 STMicroelectronics International N.V. 
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without 
  * modification, are permitted, provided that the following conditions are met:
  *
  * 1. Redistribution of source code must retain the above copyright notice, 
  *    this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of other 
  *    contributors to this software may be used to endorse or promote products 
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this 
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under 
  *    this license is void and will automatically terminate your rights under 
  *    this license. 
  *
  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USBD_CDC_IF_H__
#define __USBD_CDC_IF_H__

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "usbd_cdc.h"

/* USER CODE BEGIN INCLUDE */

/* USER CODE END INCLUDE */

/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
  * @brief For Usb device.
  * @{
  */
  
/** @defgroup USBD_CDC_IF USBD_CDC_IF
  * @brief Usb VCP device module
  * @{
  */ 

/** @defgroup USBD_CDC_IF_Exported_Defines USBD_CDC_IF_Exported_Defines
  * @brief Defines.
  * @{
  */
/* USER CODE BEGIN EXPORTED_DEFINES */

#define APP_RX_DATA_SIZE  64
#define APP_TX_DATA_SIZE  64

/* USER CODE END EXPORTED_DEFINES */

/**
  * @}
  */

/** @defgroup USBD_CDC_IF_Exported_Types USBD_CDC_IF_Exported_Types
  * @brief Types.
  * @{
  */

/* USER CODE BEGIN EXPORTED_TYPES */

struct UsbCdcRxBuffer
{
    uint8_t buffer[APP_RX_DATA_SIZE];
    uint32_t size;
};

typedef struct UsbCdcRxBuffer UsbCdcRxBuffer_t;

/* USER CODE END EXPORTED_TYPES */

/**
  * @}
  */

/** @defgroup USBD_CDC_IF_Exported_Macros USBD_CDC_IF_Exported_Macros
  * @brief Aliases.
  * @{
  */

/* USER CODE BEGIN EXPORTED_MACRO */

/* USER CODE END EXPORTED_MACRO */

/**
  * @}
  */

/** @defgroup USBD_CDC_IF_Exported_Variables USBD_CDC_IF_Exported_Variables
  * @brief Public variables.
  * @{
  */

/** CDC Interface callback. */
extern USBD_CDC_ItfTypeDef USBD_Interface_fops_FS;

/* USER CODE BEGIN EXPORTED_VARIABLES */

// USB CDC receive ping pong buffer.
extern UsbCdcRxBuffer_t* usbCdcRxBuffer_1;
extern UsbCdcRxBuffer_t* usbCdcRxBuffer_2;

/* USER CODE END EXPORTED_VARIABLES */

/**
  * @}
  */

/** @defgroup USBD_CDC_IF_Exported_FunctionsPrototype USBD_CDC_IF_Exported_FunctionsPrototype
  * @brief Public functions declaration.
  * @{
  */

uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len);

/* USER CODE BEGIN EXPORTED_FUNCTIONS */

/* USER CODE END EXPORTED_FUNCTIONS */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __USBD_CDC_IF_H__ */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
