/**
  ******************************************************************************
  * @file           : usbd_desc.c
  * @version        : v2.0_Cube
  * @brief          : This file implements the USB Device descriptors
  ******************************************************************************
  * 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) 2017 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.
  *
  ******************************************************************************
*/

/* Includes ------------------------------------------------------------------*/
#include "platform.h"
#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             0x1209
#define USBD_PID_FS          0x4c60
#define USBD_LANGID_NUM       1033
#define USBD_MANUFACTURER_STRING     "MightyPork"
#define USBD_PRODUCT_STRING_FS       "GEX USB module"
#define USBD_VERSION_NUM             0x0001 // 0xMMmp
//#define USBD_SERIALNUMBER_STRING_FS  "00000000001A"
//#define USBD_CONFIGURATION_STRING_FS "MSC Config"
//#define USBD_INTERFACE_STRING_FS     "MSC 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,
    NULL, NULL,
//  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 =
  {
    USB_LEN_DEV_DESC,           /*bLength */
    USB_DESC_TYPE_DEVICE,       /*bDescriptorType*/
    0x00,                       /* bcdUSB 2.0 */
    0x02,

    // magic triplet to allow use of the association descriptor
    0xEF,                       /*bDeviceClass*/
    0x02,                       /*bDeviceSubClass*/
    0x01,                       /*bDeviceProtocol*/

    USB_MAX_EP0_SIZE,           /*bMaxPacketSize*/
    LOBYTE(USBD_VID),           /*idVendor*/
    HIBYTE(USBD_VID),           /*idVendor*/
    LOBYTE(USBD_PID_FS),        /*idVendor*/
    HIBYTE(USBD_PID_FS),        /*idVendor*/
    LOBYTE(USBD_VERSION_NUM),   /*bcdDevice rel. 2.00*/
    HIBYTE(USBD_VERSION_NUM),
    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_NUM),
     HIBYTE(USBD_LANGID_NUM),
};

#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)
{
  USBD_GetString ((uint8_t *) 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 ((uint8_t *) 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)
{
  char buff[26];
  fixup_sprintf(buff, "%08"PRIX32"-%08"PRIX32"-%08"PRIX32,
          LL_GetUID_Word0(),
          LL_GetUID_Word1(),
          LL_GetUID_Word2()
  );

  USBD_GetString ((uint8_t *) &buff[0], 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)
//{
//  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)
//{
//  USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
//  return USBD_StrDesc;
//}
/**
  * @}
  */ 

/**
  * @}
  */ 

/**
  * @}
  */ 

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