ei.h

基于EthernetIP协议的应用程序,可以读取AB公司Controllogix系列Ethernetip协议PLC数据. 此软件代码可用于工业控制.

/****************************************************************************
*****************************************************************************
**
** File Name
** ---------
**
** EI.H
**
*****************************************************************************
*****************************************************************************
**
** Description
** -----------
**
** This module contains the public interfaces for the TCP/IP Interface Object.
**
*****************************************************************************
*****************************************************************************
**
** Source Change Indices
** ---------------------
**
** Porting: <none>0----<major>         Customization: <none>0----<major>
**
*****************************************************************************
*****************************************************************************
**
** Services List
** -------------
**
**    EI_Init()                     - Pre task startup initialization.
**    EI_ObjectTask()               - Tribble processing task for the Object.
**
*****************************************************************************
*****************************************************************************
**                                                                         **
** ETHERNET/IP EXAMPLE CODE                                                **
** COPYRIGHT (c) 2000-2005 ODVA (Open DeviceNet Vendor Association)		   **
**						   & ControlNet International Ltd.                 **
**                                                                         **
** All rights reserved, except as specifically licensed in writing.        **
** Use of the Ethernet/IP Example Protocol Software is subject to          **
** ODVA's and ControlNet International's Terms of Use Agreement.           **
** The following work constitutes example program code and is intended     **
** merely to illustrate useful programming techniques.  The user is        **
** responsible for applying the code correctly.  The code is provided      **
** AS IS without warranty and is in no way guaranteed to be error-free.    **
**                                                                         **
*****************************************************************************
*****************************************************************************
*/

/****************************************************************************
*****************************************************************************
**
** Change Log
** ----------
**
**
*****************************************************************************
*****************************************************************************
*/

#ifndef EI_H
#define EI_H

#include "eiu_obj.h"    /* TCP/IP Interface Object User interfaces         */

/*
** See if this code is to be included.
*/

#ifdef TCPIP_INTERFACE_OBJECT



/****************************************************************************
**
** Constants
**
*****************************************************************************
*/

/*---------------------------------------------------------------------------
** Class and revision numbers.
**---------------------------------------------------------------------------
*/

#define EI_CLASS_NUMBER          0xF5
#define EI_REVISION                 1

/*---------------------------------------------------------------------------
**
** Class and instance attribute numbers.
**
**---------------------------------------------------------------------------
*/

#define EI_CA_REVISION              1
#define EI_CA_MAX_INSTANCE          2
#define EI_CA_NUM_INSTANCES         3

#define EI_IA_INTERFACE_STATUS      1
#define EI_IA_CONFIG_CAPABILITY     2
#define EI_IA_CONFIG_CONTROL        3
#define EI_IA_LINK_PATH             4
#define EI_IA_INTERFACE_CONFIG      5
#define EI_IA_HOST_NAME             6


/*---------------------------------------------------------------------------
**
** Attribute data lengths.
**
**---------------------------------------------------------------------------
*/

#define EI_MAX_DOMAIN_LENGTH       48
#define EI_MAX_HOST_LENGTH         64


/*---------------------------------------------------------------------------
**
** Status attribute bit-map
**
**---------------------------------------------------------------------------
*/

#define EI_STATUS_NOT_CONFIGURED        0x00000000
#define EI_STATUS_VALID_CONFIGURATION   0x00000001

/*---------------------------------------------------------------------------
**
** Capability attribute bit-map
**
**---------------------------------------------------------------------------
*/

#define EI_CAPABILITY_BOOTP             0x00000001
#define EI_CAPABILITY_DNS               0x00000002
#define EI_CAPABILITY_DHCP              0x00000004
#define EI_CAPABILITY_DHCP_DNS          0x00000008
#define EI_CAPABILITY_SETTABLE_CONFIG   0x00000010

/*---------------------------------------------------------------------------
**
** Control attribute bit-map
**
**---------------------------------------------------------------------------
*/

#define EI_CONTROL_CONFIG_BITMASK       0x00000007
#define EI_CONTROL_USE_STORED_CONFIG    0x00000000
#define EI_CONTROL_BOOTP                0x00000001
#define EI_CONTROL_DHCP                 0x00000002
#define EI_CONTROL_DNS_ENABLE           0x00000010

/****************************************************************************
**
** Typedefs
**
*****************************************************************************
*/

/*---------------------------------------------------------------------------
**
** EI_LeClassAttributeType
**
** Class attribute structure.
**
**---------------------------------------------------------------------------
*/

typedef packet_struct EI_LeClassAttributeType
{
   LeUINT16  iLeRevision;
   LeUINT16  iLeMaxInstance;
   LeUINT16  iLeNumInstance;
}
GNU_PACKED EI_LeClassAttributeType;


/*---------------------------------------------------------------------------
**
** EI_LeInstanceAttributeType
**
** Instance attribute structure.  Note the placeholders for the variable
** length fields "achDomainName", "iLeHostNameSize" and "achHostName".
**
**---------------------------------------------------------------------------
*/

typedef packet_struct EI_LeInterfaceConfig 
{
   LeUINT32   lLeIpAddr;
   LeUINT32   lLeSubnetMask;
   LeUINT32   lLeGatewayAddr;
   LeUINT32   lLeNameServer;
   LeUINT32   lLeNameServer_2;
   LeUINT16   iLeDomainNameSize;
/* UINT8      achDomainName[EI_MAX_DOMAIN_LENGTH]; */

} 
GNU_PACKED EI_LeInterfaceConfig;


typedef packet_struct EI_LeInstanceAttributeType
{
   LeUINT32   lLeInterfaceStatus;
   LeUINT32   lLeConfigCapability;
   LeUINT32   lLeConfigControl;
   LeUINT16   iLeLinkObjPathSize;
   UINT8      achLinkObjPath[EIU_LINK_PATH_LENGTH];

   packet_struct EI_LeInterfaceConfig sLeInterfaceConfig;

/* LeUINT16   iLeHostNameSize; */
/* UINT8      achHostName[EI_MAX_HOST_LENGTH]; */

}
GNU_PACKED EI_LeInstanceAttributeType;



/****************************************************************************
**
** Globals
**
*****************************************************************************
*/

/*---------------------------------------------------------------------------
**
** EI_xQed
**
** Message queue for issuing requests to the Tcp/Ip Interface object.
**
**---------------------------------------------------------------------------
*/

extern GS_MsgQueueType EI_xQid;



/****************************************************************************
**
** Services
**
*****************************************************************************
*/

/*---------------------------------------------------------------------------
**
** EI_Init()
**
** Pre task startup initialization.
**
**---------------------------------------------------------------------------
**
** Inputs:
**    None
**
** Outputs:
**    None
**
** Usage:
**    EI_Init()
**
**---------------------------------------------------------------------------
*/

EXTFUNC StatusType EI_Init( UINT16 iOptions );




/*---------------------------------------------------------------------------
**
** EI_ObjectTask()
**
** TCP/IP Interface Object, object task.
**
**---------------------------------------------------------------------------
**
** Inputs:
**    None
**
** Outputs:
**    None
**
** Usage:
**    EI_ObjectTask()
**
**---------------------------------------------------------------------------
*/

EXTFUNC TASKRETURN EI_ObjectTask( TASKPARAM );



#endif  /* #ifdef TCPIP_INTERFACE_OBJECT */
#endif  /* inclusion lock */

/****************************************************************************
**
** End of EI.H
**
*****************************************************************************
*/