浅析STM32之usbh_def.H

/**
  ******************************************************************************
  * @file    usbh_def.h
  * @author  MCD Application Team
  * @version V3.2.2
  * @date    07-July-2015
  * @brief   Definitions used in the USB host library
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2015 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  ----------------------------------------------*/
#ifndef  USBH_DEF_H
#define  USBH_DEF_H

#ifdef __cplusplus
 extern "C" {
#endif

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

/** @addtogroup USBH_LIB
  * @{
  */

/** @addtogroup USBH_LIB_CORE
* @{
*/
  
/** @defgroup USBH_DEF
  * @brief This file is includes USB descriptors
  * @{
  */ 

#ifndef NULL
#define NULL  0
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifndef TRUE
#define TRUE  1
#endif


#define ValBit(VAR,POS)                               (VAR & (1 << POS))
#define SetBit(VAR,POS)                               (VAR |= (1 << POS))
#define ClrBit(VAR,POS)                               (VAR &= ((1 << POS)^255))

#define  LE16(addr)             (((uint16_t)(*((uint8_t *)(addr))))                                + (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8))

#define  LE16S(addr)              (uint16_t)(LE16((addr)))

#define  LE32(addr)              ((((uint32_t)(*(((uint8_t *)(addr)) + 0))) + \
                                              (((uint32_t)(*(((uint8_t *)(addr)) + 1))) << 8) +                                               (((uint32_t)(*(((uint8_t *)(addr)) + 2))) << 16) +                                               (((uint32_t)(*(((uint8_t *)(addr)) + 3))) << 24)))

#define  LE64(addr)              ((((uint64_t)(*(((uint8_t *)(addr)) + 0))) + \
                                              (((uint64_t)(*(((uint8_t *)(addr)) + 1))) <<  8) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 2))) << 16) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 3))) << 24) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 4))) << 32) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 5))) << 40) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 6))) << 48) +                                              (((uint64_t)(*(((uint8_t *)(addr)) + 7))) << 56)))


#define  LE24(addr)              ((((uint32_t)(*(((uint8_t *)(addr)) + 0))) + \
                                              (((uint32_t)(*(((uint8_t *)(addr)) + 1))) << 8) +                                               (((uint32_t)(*(((uint8_t *)(addr)) + 2))) << 16)))


#define  LE32S(addr)              (int32_t)(LE32((addr)))



#define  USB_LEN_DESC_HDR                               0x02
#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_SETUP_PKT                              0x08

/* bmRequestType :D7 Data Phase Transfer Direction  */
#define  USB_REQ_DIR_MASK                               0x80
#define  USB_H2D                                        0x00
#define  USB_D2H                                        0x80

/* bmRequestType D6..5 Type */
#define  USB_REQ_TYPE_STANDARD                          0x00
#define  USB_REQ_TYPE_CLASS                             0x20
#define  USB_REQ_TYPE_VENDOR                            0x40
#define  USB_REQ_TYPE_RESERVED                          0x60

/* bmRequestType D4..0 Recipient */
#define  USB_REQ_RECIPIENT_DEVICE                       0x00
#define  USB_REQ_RECIPIENT_INTERFACE                    0x01
#define  USB_REQ_RECIPIENT_ENDPOINT                     0x02
#define  USB_REQ_RECIPIENT_OTHER                        0x03

/* Table 9-4. Standard Request Codes  */
/* bRequest , Value */
#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

/* Table 9-5. Descriptor Types of USB Specifications */
#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_DESC_TYPE_INTERFACE_POWER                     8
#define  USB_DESC_TYPE_HID                                 0x21
#define  USB_DESC_TYPE_HID_REPORT                          0x22


#define USB_DEVICE_DESC_SIZE                               18
#define USB_CONFIGURATION_DESC_SIZE                        9
#define USB_HID_DESC_SIZE                                  9
#define USB_INTERFACE_DESC_SIZE                            9
#define USB_ENDPOINT_DESC_SIZE                             7

/* Descriptor Type and Descriptor Index  */
/* Use the following values when calling the function USBH_GetDescriptor  */
#define  USB_DESC_DEVICE                    ((USB_DESC_TYPE_DEVICE << 8) & 0xFF00)
#define  USB_DESC_CONFIGURATION             ((USB_DESC_TYPE_CONFIGURATION << 8) & 0xFF00)
#define  USB_DESC_STRING                    ((USB_DESC_TYPE_STRING << 8) & 0xFF00)
#define  USB_DESC_INTERFACE                 ((USB_DESC_TYPE_INTERFACE << 8) & 0xFF00)
#define  USB_DESC_ENDPOINT                  ((USB_DESC_TYPE_INTERFACE << 8) & 0xFF00)
#define  USB_DESC_DEVICE_QUALIFIER          ((USB_DESC_TYPE_DEVICE_QUALIFIER << 8) & 0xFF00)
#define  USB_DESC_OTHER_SPEED_CONFIGURATION ((USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION << 8) & 0xFF00)
#define  USB_DESC_INTERFACE_POWER           ((USB_DESC_TYPE_INTERFACE_POWER << 8) & 0xFF00)
#define  USB_DESC_HID_REPORT                ((USB_DESC_TYPE_HID_REPORT << 8) & 0xFF00)
#define  USB_DESC_HID                       ((USB_DESC_TYPE_HID << 8) & 0xFF00)


#define  USB_EP_TYPE_CTRL                               0x00
#define  USB_EP_TYPE_ISOC                               0x01
#define  USB_EP_TYPE_BULK                               0x02
#define  USB_EP_TYPE_INTR                               0x03

#define  USB_EP_DIR_OUT                                 0x00
#define  USB_EP_DIR_IN                                  0x80
#define  USB_EP_DIR_MSK                                 0x80  

#ifndef USBH_MAX_PIPES_NBR
 #define USBH_MAX_PIPES_NBR                             15                                                
#endif /* USBH_MAX_PIPES_NBR */

#define USBH_DEVICE_ADDRESS_DEFAULT                     0
#define USBH_MAX_ERROR_COUNT                            2
#define USBH_DEVICE_ADDRESS                             1


/**
  * @}
  */ 


#define USBH_CONFIGURATION_DESCRIPTOR_SIZE (USB_CONFIGURATION_DESC_SIZE                                            + USB_INTERFACE_DESC_SIZE                                           + (USBH_MAX_NUM_ENDPOINTS * USB_ENDPOINT_DESC_SIZE))


#define CONFIG_DESC_wTOTAL_LENGTH (ConfigurationDescriptorData.ConfigDescfield.\
                                          ConfigurationDescriptor.wTotalLength)


typedef union
{
  uint16_t w;
  struct BW
  {
    uint8_t msb;
    uint8_t lsb;
  }
  bw;
}
uint16_t_uint8_t;


typedef union _USB_Setup
{
  uint32_t d8[2];
  
  struct _SetupPkt_Struc
  {
    uint8_t           bmRequestType;
    uint8_t           bRequest;
    uint16_t_uint8_t  wValue;
    uint16_t_uint8_t  wIndex;
    uint16_t_uint8_t  wLength;
  } b;
} 
USB_Setup_TypeDef;  

typedef  struct  _DescHeader 
{
    uint8_t  bLength;       
    uint8_t  bDescriptorType;
} 
USBH_DescHeader_t;

typedef struct _DeviceDescriptor
{
  uint8_t   bLength;
  uint8_t   bDescriptorType;
  uint16_t  bcdUSB;        /* USB Specification Number which device complies too */
  uint8_t   bDeviceClass;
  uint8_t   bDeviceSubClass; 
  uint8_t   bDeviceProtocol;
  /* If equal to Zero, each interface specifies its own class
  code if equal to 0xFF, the class code is vendor specified.
  Otherwise field is valid Class Code.*/
  uint8_t   bMaxPacketSize;
  uint16_t  idVendor;      /* Vendor ID (Assigned by USB Org) */
  uint16_t  idProduct;     /* Product ID (Assigned by Manufacturer) */
  uint16_t  bcdDevice;     /* Device Release Number */
  uint8_t   iManufacturer;  /* Index of Manufacturer String Descriptor */
  uint8_t   iProduct;       /* Index of Product String Descriptor */
  uint8_t   iSerialNumber;  /* Index of Serial Number String Descriptor */
  uint8_t   bNumConfigurations; /* Number of Possible Configurations */
}
USBH_DevDescTypeDef;

typedef struct _EndpointDescriptor
{
  uint8_t   bLength;
  uint8_t   bDescriptorType;
  uint8_t   bEndpointAddress;   /* indicates what endpoint this descriptor is describing */
  uint8_t   bmAttributes;       /* specifies the transfer type. */
  uint16_t  wMaxPacketSize;    /* Maximum Packet Size this endpoint is capable of sending or receiving */  
  uint8_t   bInterval;          /* is used to specify the polling interval of certain transfers. */
}
USBH_EpDescTypeDef;

typedef struct _InterfaceDescriptor
{
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint8_t bInterfaceNumber;
  uint8_t bAlternateSetting;    /* Value used to select alternative setting */
  uint8_t bNumEndpoints;        /* Number of Endpoints used for this interface */
  uint8_t bInterfaceClass;      /* Class Code (Assigned by USB Org) */
  uint8_t bInterfaceSubClass;   /* Subclass Code (Assigned by USB Org) */
  uint8_t bInterfaceProtocol;   /* Protocol Code */
  uint8_t iInterface;           /* Index of String Descriptor Describing this interface */
  USBH_EpDescTypeDef               Ep_Desc[USBH_MAX_NUM_ENDPOINTS];   
}
USBH_InterfaceDescTypeDef;


typedef struct _ConfigurationDescriptor
{
  uint8_t   bLength;
  uint8_t   bDescriptorType;
  uint16_t  wTotalLength;        /* Total Length of Data Returned */
  uint8_t   bNumInterfaces;       /* Number of Interfaces */
  uint8_t   bConfigurationValue;  /* Value to use as an argument to select this configuration*/
  uint8_t   iConfiguration;       /*Index of String Descriptor Describing this configuration */
  uint8_t   bmAttributes;         /* D7 Bus Powered , D6 Self Powered, D5 Remote Wakeup , D4..0 Reserved (0)*/
  uint8_t   bMaxPower;            /*Maximum Power Consumption */
  USBH_InterfaceDescTypeDef        Itf_Desc[USBH_MAX_NUM_INTERFACES];
}
USBH_CfgDescTypeDef;


/* Following USB Host status */
typedef enum 
{
  USBH_OK   = 0,
  USBH_BUSY,
  USBH_FAIL,
  USBH_NOT_SUPPORTED,
  USBH_UNRECOVERED_ERROR,
  USBH_ERROR_SPEED_UNKNOWN,
}USBH_StatusTypeDef;


/** @defgroup USBH_CORE_Exported_Types
  * @{
  */

typedef enum 
{
  USBH_SPEED_HIGH  = 0,
  USBH_SPEED_FULL  = 1,
  USBH_SPEED_LOW   = 2,  
    
}USBH_SpeedTypeDef;

/* Following states are used for gState */
typedef enum 
{
  HOST_IDLE =0,
  HOST_DEV_WAIT_FOR_ATTACHMENT,  
  HOST_DEV_ATTACHED,
  HOST_DEV_DISCONNECTED,  
  HOST_DETECT_DEVICE_SPEED,
  HOST_ENUMERATION,
  HOST_CLASS_REQUEST,  
  HOST_INPUT,
  HOST_SET_CONFIGURATION,
  HOST_CHECK_CLASS,
  HOST_CLASS,
  HOST_SUSPENDED,
  HOST_ABORT_STATE,  
}HOST_StateTypeDef;  

/* Following states are used for EnumerationState */
typedef enum 
{
  ENUM_IDLE = 0,
  ENUM_GET_FULL_DEV_DESC,
  ENUM_SET_ADDR,
  ENUM_GET_CFG_DESC,
  ENUM_GET_FULL_CFG_DESC,
  ENUM_GET_MFC_STRING_DESC,
  ENUM_GET_PRODUCT_STRING_DESC,
  ENUM_GET_SERIALNUM_STRING_DESC,
} ENUM_StateTypeDef;  

/* Following states are used for CtrlXferStateMachine */
typedef enum 
{
  CTRL_IDLE =0,
  CTRL_SETUP,
  CTRL_SETUP_WAIT,
  CTRL_DATA_IN,
  CTRL_DATA_IN_WAIT,
  CTRL_DATA_OUT,
  CTRL_DATA_OUT_WAIT,
  CTRL_STATUS_IN,
  CTRL_STATUS_IN_WAIT,
  CTRL_STATUS_OUT,
  CTRL_STATUS_OUT_WAIT,
  CTRL_ERROR,
  CTRL_STALLED,
  CTRL_COMPLETE    
}CTRL_StateTypeDef;  


/* Following states are used for RequestState */
typedef enum 
{
  CMD_IDLE =0,
  CMD_SEND,
  CMD_WAIT
} CMD_StateTypeDef;  

typedef enum {
  USBH_URB_IDLE = 0,
  USBH_URB_DONE,
  USBH_URB_NOTREADY,
  USBH_URB_NYET,  
  USBH_URB_ERROR,
  USBH_URB_STALL
}USBH_URBStateTypeDef;

typedef enum
{
  USBH_PORT_EVENT = 1,  
  USBH_URB_EVENT,
  USBH_CONTROL_EVENT,    
  USBH_CLASS_EVENT,     
  USBH_STATE_CHANGED_EVENT,   
}
USBH_OSEventTypeDef;

/* Control request structure */
typedef struct 
{
  uint8_t               pipe_in; 
  uint8_t               pipe_out; 
  uint8_t               pipe_size;  
  uint8_t               *buff;
  uint16_t              length;
  uint16_t              timer;  
  USB_Setup_TypeDef     setup;
  CTRL_StateTypeDef     state;  
  uint8_t               errorcount;  

} USBH_CtrlTypeDef;

/* Attached device structure */
typedef struct
{
#if (USBH_KEEP_CFG_DESCRIPTOR == 1)  
  uint8_t                           CfgDesc_Raw[USBH_MAX_SIZE_CONFIGURATION];
#endif  
  uint8_t                           Data[USBH_MAX_DATA_BUFFER];
  uint8_t                           address;
  uint8_t                           speed;
  __IO uint8_t                      is_connected;    
  uint8_t                           current_interface;   
  USBH_DevDescTypeDef               DevDesc;
  USBH_CfgDescTypeDef               CfgDesc; 
  
}USBH_DeviceTypeDef;

struct _USBH_HandleTypeDef;

/* USB Host Class structure */
typedef struct 
{
  const char          *Name;
  uint8_t              ClassCode;  
  USBH_StatusTypeDef  (*Init)        (struct _USBH_HandleTypeDef *phost);
  USBH_StatusTypeDef  (*DeInit)      (struct _USBH_HandleTypeDef *phost);
  USBH_StatusTypeDef  (*Requests)    (struct _USBH_HandleTypeDef *phost);  
  USBH_StatusTypeDef  (*BgndProcess) (struct _USBH_HandleTypeDef *phost);
  USBH_StatusTypeDef  (*SOFProcess) (struct _USBH_HandleTypeDef *phost);  
  void*                pData;
} USBH_ClassTypeDef;

/* USB Host handle structure */
typedef struct _USBH_HandleTypeDef
{
  __IO HOST_StateTypeDef     gState;       /*  Host State Machine Value */
  ENUM_StateTypeDef     EnumState;    /* Enumeration state Machine */
  CMD_StateTypeDef      RequestState;       
  USBH_CtrlTypeDef      Control;
  USBH_DeviceTypeDef    device;
  USBH_ClassTypeDef*    pClass[USBH_MAX_NUM_SUPPORTED_CLASS];
  USBH_ClassTypeDef*    pActiveClass;
  uint32_t              ClassNumber;
  uint32_t              Pipes[15];
  __IO uint32_t         Timer;
  uint8_t               id;  
  void*                 pData;                  
  void                 (* pUser )(struct _USBH_HandleTypeDef *pHandle, uint8_t id);
  
#if (USBH_USE_OS == 1)
  osMessageQId          os_event;   
  osThreadId            thread; 
#endif  
  
} USBH_HandleTypeDef;


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

#ifdef __cplusplus
}
#endif

#endif /* USBH_DEF_H */

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