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/**

  ******************************************************************************

  * @file           : usbd_desc.c

  * @version        : v1.0_Cube

  * @brief          : This file implements the USB Device descriptors

  ******************************************************************************

  *

  * COPYRIGHT(c) 2016 STMicroelectronics

  *

  * Redistribution and use in source and binary forms, with or without modification,

  * are permitted provided that the following conditions are met:

  * 1. Redistributions 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 its contributors

  * may be used to endorse or promote products derived from this software

  * without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.

  *

  ******************************************************************************

*/

/* Includes ------------------------------------------------------------------*/

#include "usbd_core.h"

#include "usbd_desc.h"

#include "usbd_conf.h"

/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY

  * @{

  */

/** @defgroup USBD_DESC

  * @brief USBD descriptors module

  * @{

  */

/** @defgroup USBD_DESC_Private_TypesDefinitions

  * @{

  */

/**

  * @}

  */

/** @defgroup USBD_DESC_Private_Defines

  * @{

  */

#define USBD_VID     0x483

#define USBD_LANGID_STRING     1033

#define USBD_MANUFACTURER_STRING     "STMicroelectronics"

#define USBD_PID_FS     0x5740

#define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"

#define USBD_SERIALNUMBER_STRING_FS     "00000000001A"

#define USBD_CONFIGURATION_STRING_FS     "CDC Config"

#define USBD_INTERFACE_STRING_FS     "CDC Interface"

/* USER CODE BEGIN 0 */

/* USER CODE END 0*/

/**

  * @}

  */

/** @defgroup USBD_DESC_Private_Macros

  * @{

  */

/**

  * @}

  */

/** @defgroup USBD_DESC_Private_Variables

  * @{

  */

uint8_t *     USBD_FS_DeviceDescriptor( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_LangIDStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_ManufacturerStrDescriptor ( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_ProductStrDescriptor ( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_SerialStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_ConfigStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length);

uint8_t *     USBD_FS_InterfaceStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length);

#ifdef USB_SUPPORT_USER_STRING_DESC

uint8_t *     USBD_FS_USRStringDesc (USBD_SpeedTypeDef speed, uint8_t idx , uint16_t *length);  

#endif /* USB_SUPPORT_USER_STRING_DESC */  

USBD_DescriptorsTypeDef FS_Desc =

{

  USBD_FS_DeviceDescriptor,

  USBD_FS_LangIDStrDescriptor,

  USBD_FS_ManufacturerStrDescriptor,

  USBD_FS_ProductStrDescriptor,

  USBD_FS_SerialStrDescriptor,

  USBD_FS_ConfigStrDescriptor,

  USBD_FS_InterfaceStrDescriptor,

};

#if defined ( __ICCARM__ ) /*!< IAR Compiler */

  #pragma data_alignment=4   

#endif

/* USB Standard Device Descriptor */

__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =

  {

    0x12,                       /*bLength */

    USB_DESC_TYPE_DEVICE,       /*bDescriptorType*/

    0x00,                       /* bcdUSB */  

    0x02,

    0x02,                        /*bDeviceClass*/

    0x02,                       /*bDeviceSubClass*/

    0x00,                       /*bDeviceProtocol*/

    USB_MAX_EP0_SIZE,          /*bMaxPacketSize*/

    LOBYTE(USBD_VID),           /*idVendor*/

    HIBYTE(USBD_VID),           /*idVendor*/

    LOBYTE(USBD_PID_FS),           /*idVendor*/

    HIBYTE(USBD_PID_FS),           /*idVendor*/

    0x00,                       /*bcdDevice rel. 2.00*/

    0x02,

    USBD_IDX_MFC_STR,           /*Index of manufacturer  string*/

    USBD_IDX_PRODUCT_STR,       /*Index of product string*/

    USBD_IDX_SERIAL_STR,        /*Index of serial number string*/

    USBD_MAX_NUM_CONFIGURATION  /*bNumConfigurations*/

  } ;

/* USB_DeviceDescriptor */

#if defined ( __ICCARM__ ) /*!< IAR Compiler */

  #pragma data_alignment=4   

#endif

/* USB Standard Device Descriptor */

__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =

{

     USB_LEN_LANGID_STR_DESC,        

     USB_DESC_TYPE_STRING,      

     LOBYTE(USBD_LANGID_STRING),

     HIBYTE(USBD_LANGID_STRING),

};

#if defined ( __ICCARM__ ) /*!< IAR Compiler */

  #pragma data_alignment=4   

#endif

__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;

/**

  * @}

  */

/** @defgroup USBD_DESC_Private_FunctionPrototypes

  * @{

  */

/**

  * @}

  */

/** @defgroup USBD_DESC_Private_Functions

  * @{

  */

/**

* @brief  USBD_FS_DeviceDescriptor

*         return the device descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_DeviceDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  *length = sizeof(USBD_FS_DeviceDesc);

  return USBD_FS_DeviceDesc;

}

/**

* @brief  USBD_FS_LangIDStrDescriptor

*         return the LangID string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_LangIDStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  *length =  sizeof(USBD_LangIDDesc);  

  return USBD_LangIDDesc;

}

/**

* @brief  USBD_FS_ProductStrDescriptor

*         return the product string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_ProductStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  if(speed == 0)

  {  

    USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);

  }

  else

  {

    USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);    

  }

  return USBD_StrDesc;

}

/**

* @brief  USBD_FS_ManufacturerStrDescriptor

*         return the manufacturer string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_ManufacturerStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  USBD_GetString (USBD_MANUFACTURER_STRING, USBD_StrDesc, length);

  return USBD_StrDesc;

}

/**

* @brief  USBD_FS_SerialStrDescriptor

*         return the serial number string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_SerialStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  if(speed  == USBD_SPEED_HIGH)

  {    

    USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);

  }

  else

  {

    USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);    

  }

  return USBD_StrDesc;

}

/**

* @brief  USBD_FS_ConfigStrDescriptor

*         return the configuration string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_ConfigStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  if(speed  == USBD_SPEED_HIGH)

  {  

    USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);

  }

  else

  {

    USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);

  }

  return USBD_StrDesc;  

}

/**

* @brief  USBD_HS_InterfaceStrDescriptor

*         return the interface string descriptor

* @param  speed : current device speed

* @param  length : pointer to data length variable

* @retval pointer to descriptor buffer

*/

uint8_t *  USBD_FS_InterfaceStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)

{

  if(speed == 0)

  {

    USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);

  }

  else

  {

    USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);

  }

  return USBD_StrDesc;  

}

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

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