/**
  ******************************************************************************
  * @file    usbd_def.h
  * @author  MCD Application Team
  * @version V2.0.0
  * @date    18-February-2014
  * @brief   general defines for the usb device library 
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */ 

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __USBD_DEF_H
#define __USBD_DEF_H

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

/** @addtogroup STM32_USBD_DEVICE_LIBRARY
  * @{
  */
  
/** @defgroup USB_DEF
  * @brief general defines for the usb device library file
  * @{
  */ 

/** @defgroup USB_DEF_Exported_Defines
  * @{
  */ 

#ifndef NULL
#define NULL ((void *)0)
#endif


#define  USB_LEN_DEV_QUALIFIER_DESC                     0x0A
#define  USB_LEN_DEV_DESC                               0x12
#define  USB_LEN_CFG_DESC                               0x09
#define  USB_LEN_IF_DESC                                0x09
#define  USB_LEN_EP_DESC                                0x07
#define  USB_LEN_OTG_DESC                               0x03
#define  USB_LEN_LANGID_STR_DESC                        0x04
#define  USB_LEN_OTHER_SPEED_DESC_SIZ                   0x09

#define  USBD_IDX_LANGID_STR                            0x00 
#define  USBD_IDX_MFC_STR                               0x01 
#define  USBD_IDX_PRODUCT_STR                           0x02
#define  USBD_IDX_SERIAL_STR                            0x03 
#define  USBD_IDX_CONFIG_STR                            0x04 
#define  USBD_IDX_INTERFACE_STR                         0x05 

#define  USB_REQ_TYPE_STANDARD                          0x00
#define  USB_REQ_TYPE_CLASS                             0x20
#define  USB_REQ_TYPE_VENDOR                            0x40
#define  USB_REQ_TYPE_MASK                              0x60

#define  USB_REQ_RECIPIENT_DEVICE                       0x00
#define  USB_REQ_RECIPIENT_INTERFACE                    0x01
#define  USB_REQ_RECIPIENT_ENDPOINT                     0x02
#define  USB_REQ_RECIPIENT_MASK                         0x03

#define  USB_REQ_GET_STATUS                             0x00
#define  USB_REQ_CLEAR_FEATURE                          0x01
#define  USB_REQ_SET_FEATURE                            0x03
#define  USB_REQ_SET_ADDRESS                            0x05
#define  USB_REQ_GET_DESCRIPTOR                         0x06
#define  USB_REQ_SET_DESCRIPTOR                         0x07
#define  USB_REQ_GET_CONFIGURATION                      0x08
#define  USB_REQ_SET_CONFIGURATION                      0x09
#define  USB_REQ_GET_INTERFACE                          0x0A
#define  USB_REQ_SET_INTERFACE                          0x0B
#define  USB_REQ_SYNCH_FRAME                            0x0C

#define  USB_DESC_TYPE_DEVICE                              1
#define  USB_DESC_TYPE_CONFIGURATION                       2
#define  USB_DESC_TYPE_STRING                              3
#define  USB_DESC_TYPE_INTERFACE                           4
#define  USB_DESC_TYPE_ENDPOINT                            5
#define  USB_DESC_TYPE_DEVICE_QUALIFIER                    6
#define  USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION           7


#define USB_CONFIG_REMOTE_WAKEUP                           2
#define USB_CONFIG_SELF_POWERED                            1

#define USB_FEATURE_EP_HALT                                0
#define USB_FEATURE_REMOTE_WAKEUP                          1
#define USB_FEATURE_TEST_MODE                              2


#define USB_HS_MAX_PACKET_SIZE                            512
#define USB_FS_MAX_PACKET_SIZE                            64
#define USB_MAX_EP0_SIZE                                  64

/*  Device Status */
#define USBD_STATE_DEFAULT                                1
#define USBD_STATE_ADDRESSED                              2
#define USBD_STATE_CONFIGURED                             3
#define USBD_STATE_SUSPENDED                              4


/*  EP0 State */    
#define USBD_EP0_IDLE                                     0
#define USBD_EP0_SETUP                                    1
#define USBD_EP0_DATA_IN                                  2
#define USBD_EP0_DATA_OUT                                 3
#define USBD_EP0_STATUS_IN                                4
#define USBD_EP0_STATUS_OUT                               5
#define USBD_EP0_STALL                                    6    

#define USBD_EP_TYPE_CTRL                                 0
#define USBD_EP_TYPE_ISOC                                 1
#define USBD_EP_TYPE_BULK                                 2
#define USBD_EP_TYPE_INTR                                 3


/**
  * @}
  */ 


/** @defgroup USBD_DEF_Exported_TypesDefinitions
  * @{
  */

typedef  struct  usb_setup_req 
{
    
    uint8_t   bmRequest;                      
    uint8_t   bRequest;                           
    uint16_t  wValue;                             
    uint16_t  wIndex;                             
    uint16_t  wLength;                            
}USBD_SetupReqTypedef;

struct _USBD_HandleTypeDef;
    
typedef struct _Device_cb
{
  uint8_t  (*Init)             (struct _USBD_HandleTypeDef *pdev , uint8_t cfgidx);
  uint8_t  (*DeInit)           (struct _USBD_HandleTypeDef *pdev , uint8_t cfgidx);
 /* Control Endpoints*/
  uint8_t  (*Setup)            (struct _USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef  *req);  
  uint8_t  (*EP0_TxSent)       (struct _USBD_HandleTypeDef *pdev );    
  uint8_t  (*EP0_RxReady)      (struct _USBD_HandleTypeDef *pdev );  
  /* Class Specific Endpoints*/
  uint8_t  (*DataIn)           (struct _USBD_HandleTypeDef *pdev , uint8_t epnum);   
  uint8_t  (*DataOut)          (struct _USBD_HandleTypeDef *pdev , uint8_t epnum); 
  uint8_t  (*SOF)              (struct _USBD_HandleTypeDef *pdev); 
  uint8_t  (*IsoINIncomplete)  (struct _USBD_HandleTypeDef *pdev , uint8_t epnum); 
  uint8_t  (*IsoOUTIncomplete) (struct _USBD_HandleTypeDef *pdev , uint8_t epnum);   

  uint8_t  *(*GetHSConfigDescriptor)(uint16_t *length); 
  uint8_t  *(*GetFSConfigDescriptor)(uint16_t *length);   
  uint8_t  *(*GetOtherSpeedConfigDescriptor)(uint16_t *length);
  uint8_t  *(*GetDeviceQualifierDescriptor)(uint16_t *length);
#if (USBD_SUPPORT_USER_STRING == 1)
  uint8_t  *(*GetUsrStrDescriptor)(struct _USBD_HandleTypeDef *pdev ,uint8_t index,  uint16_t *length);   
#endif  
  
} USBD_ClassTypeDef;

/* Following USB Device Speed */
typedef enum 
{
  USBD_SPEED_HIGH  = 0,
  USBD_SPEED_FULL  = 1,
  USBD_SPEED_LOW   = 2,  
}USBD_SpeedTypeDef;

/* Following USB Device status */
typedef enum {
  USBD_OK   = 0,
  USBD_BUSY,
  USBD_FAIL,
}USBD_StatusTypeDef;

/* USB Device descriptors structure */
typedef struct
{
  uint8_t  *(*GetDeviceDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
  uint8_t  *(*GetLangIDStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length); 
  uint8_t  *(*GetManufacturerStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
  uint8_t  *(*GetProductStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
  uint8_t  *(*GetSerialStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
  uint8_t  *(*GetConfigurationStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
  uint8_t  *(*GetInterfaceStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);   
} USBD_DescriptorsTypeDef;

/* USB Device handle structure */
typedef struct
{ 
  uint32_t                status;
  uint32_t                total_length;    
  uint32_t                rem_length; 
  uint32_t                maxpacket;   
} USBD_EndpointTypeDef;

/* USB Device handle structure */
typedef struct _USBD_HandleTypeDef
{
  uint8_t                 id;
  uint32_t                dev_config;
  uint32_t                dev_default_config;
  uint32_t                dev_config_status; 
  USBD_SpeedTypeDef       dev_speed; 
  USBD_EndpointTypeDef    ep_in[15];
  USBD_EndpointTypeDef    ep_out[15];  
  uint32_t                ep0_state;  
  uint32_t                ep0_data_len;     
  uint8_t                 dev_state;
  uint8_t                 dev_old_state;
  uint8_t                 dev_address;
  uint8_t                 dev_connection_status;  
  uint8_t                 dev_test_mode;
  uint32_t                dev_remote_wakeup;

  USBD_SetupReqTypedef    request;
  USBD_DescriptorsTypeDef *pDesc;
  USBD_ClassTypeDef       *pClass;
  void                    *pClassData;  
  void                    *pUserData;    
  void                    *pData;    
} USBD_HandleTypeDef;

/**
  * @}
  */ 



/** @defgroup USBD_DEF_Exported_Macros
  * @{
  */ 
#define  SWAPBYTE(addr)        (((uint16_t)(*((uint8_t *)(addr)))) + \
                               (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8))

#define LOBYTE(x)  ((uint8_t)(x & 0x00FF))
#define HIBYTE(x)  ((uint8_t)((x & 0xFF00) >>8))
#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
#define MAX(a, b)  (((a) > (b)) ? (a) : (b))


#if  defined ( __GNUC__ )
  #ifndef __weak
    #define __weak   __attribute__((weak))
  #endif /* __weak */
  #ifndef __packed
    #define __packed __attribute__((__packed__))
  #endif /* __packed */
#endif /* __GNUC__ */


/* In HS mode and when the DMA is used, all variables and data structures dealing
   with the DMA during the transaction process should be 4-bytes aligned */    

#if defined   (__GNUC__)        /* GNU Compiler */
  #define __ALIGN_END    __attribute__ ((aligned (4)))
  #define __ALIGN_BEGIN         
#else                           
  #define __ALIGN_END
  #if defined   (__CC_ARM)      /* ARM Compiler */
    #define __ALIGN_BEGIN    __align(4)  
  #elif defined (__ICCARM__)    /* IAR Compiler */
    #define __ALIGN_BEGIN 
  #elif defined  (__TASKING__)  /* TASKING Compiler */
    #define __ALIGN_BEGIN    __align(4) 
  #endif /* __CC_ARM */  
#endif /* __GNUC__ */ 
  

/**
  * @}
  */ 

/** @defgroup USBD_DEF_Exported_Variables
  * @{
  */ 

/**
  * @}
  */ 

/** @defgroup USBD_DEF_Exported_FunctionsPrototype
  * @{
  */ 

/**
  * @}
  */ 

#endif /* __USBD_DEF_H */

/**
  * @}
  */ 

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