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/****************************************************************************
(c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
www.systec-electronic.com
Project: openPOWERLINK
Description: definitions for generating instances
License:
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 SYSTEC electronic GmbH nor the names of its
contributors may be used to endorse or promote products derived
from this software without prior written permission. For written
permission, please contact info@systec-electronic.com.
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 HOLDERS 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.
Severability Clause:
If a provision of this License is or becomes illegal, invalid or
unenforceable in any jurisdiction, that shall not affect:
1. the validity or enforceability in that jurisdiction of any other
provision of this License; or
2. the validity or enforceability in other jurisdictions of that or
any other provision of this License.
-------------------------------------------------------------------------
$RCSfile: EplInstDef.h,v $
$Author: D.Krueger $
$Revision: 1.4 $ $Date: 2008/04/17 21:36:32 $
$State: Exp $
Build Environment:
...
-------------------------------------------------------------------------
Revision History:
r.d.: first implementation
****************************************************************************/
#ifndef _EPLINSTDEF_H_
#define _EPLINSTDEF_H_
// =========================================================================
// types and macros for generating instances
// =========================================================================
typedef enum {
kStateUnused = 0,
kStateDeleted = 1,
kStateUsed = 0xFF
} tInstState;
//------------------------------------------------------------------------------------------
typedef void MEM *tEplPtrInstance;
typedef BYTE tEplInstanceHdl;
// define const for illegale values
#define CCM_ILLINSTANCE NULL
#define CCM_ILLINSTANCE_HDL 0xFF
//------------------------------------------------------------------------------------------
// if more than one instance then use this macros
#if (EPL_MAX_INSTANCES > 1)
//--------------------------------------------------------------------------------------
// macro definition for instance table definition
//--------------------------------------------------------------------------------------
// memory attributes for instance table
#define INST_FAR // variables wich have to located in xdata
#define STATIC // prevent warnings for variables with same name
#define INSTANCE_TYPE_BEGIN typedef struct {
#define INSTANCE_TYPE_END } tEplInstanceInfo;
//--------------------------------------------------------------------------------------
// macro definition for API interface
//--------------------------------------------------------------------------------------
// declaration:
// macros for declaration within function header or prototype of API functions
#define CCM_DECL_INSTANCE_HDL tEplInstanceHdl InstanceHandle
#define CCM_DECL_INSTANCE_HDL_ tEplInstanceHdl InstanceHandle,
// macros for declaration of pointer to instance handle within function header or prototype of API functions
#define CCM_DECL_PTR_INSTANCE_HDL tEplInstanceHdl MEM* pInstanceHandle
#define CCM_DECL_PTR_INSTANCE_HDL_ tEplInstanceHdl MEM* pInstanceHandle,
// macros for declaration instance as lokacl variable within functions
#define CCM_DECL_INSTANCE_PTR_LOCAL tCcmInstanceInfo MEM* pInstance;
#define CCM_DECL_PTR_INSTANCE_HDL_LOCAL tEplInstanceHdl MEM* pInstanceHandle;
// reference:
// macros for reference of instance handle for function parameters
#define CCM_INSTANCE_HDL InstanceHandle
#define CCM_INSTANCE_HDL_ InstanceHandle,
// macros for reference of instance parameter for function parameters
#define CCM_INSTANCE_PARAM(par) par
#define CCM_INSTANCE_PARAM_(par) par,
// macros for reference of instance parameter for writing or reading values
#define CCM_INST_ENTRY (*((tEplPtrInstance)pInstance))
// processing:
// macros for process instance handle
#define CCM_CHECK_INSTANCE_HDL() if (InstanceHandle >= EPL_MAX_INSTANCES) \
{return (kEplIllegalInstance);}
// macros for process pointer to instance handle
#define CCM_CHECK_PTR_INSTANCE_HDL() if (pInstanceHandle == NULL) \
{return (kEplInvalidInstanceParam);}
// This macro returned the handle and pointer to next free instance.
#define CCM_GET_FREE_INSTANCE_AND_HDL() pInstance = CcmGetFreeInstanceAndHandle (pInstanceHandle); \
ASSERT (*pInstanceHandle != CCM_ILLINSTANCE_HDL);
#define CCM_CHECK_INSTANCE_PTR() if (pInstance == CCM_ILLINSTANCE) \
{return (kEplNoFreeInstance);}
#define CCM_GET_INSTANCE_PTR() pInstance = CcmGetInstancePtr (InstanceHandle);
#define CCM_GET_FREE_INSTANCE_PTR() pInstance = GetFreeInstance (); \
ASSERT (pInstance != CCM_ILLINSTANCE);
//--------------------------------------------------------------------------------------
// macro definition for stack interface
//--------------------------------------------------------------------------------------
// macros for declaration within the function header, prototype or local var list
// Declaration of pointers within function paramater list must defined as void MEM*
// pointer.
#define EPL_MCO_DECL_INSTANCE_PTR void MEM* pInstance
#define EPL_MCO_DECL_INSTANCE_PTR_ void MEM* pInstance,
#define EPL_MCO_DECL_INSTANCE_PTR_LOCAL tEplPtrInstance pInstance;
// macros for reference of pointer to instance
// These macros are used for parameter passing to called function.
#define EPL_MCO_INSTANCE_PTR pInstance
#define EPL_MCO_INSTANCE_PTR_ pInstance,
#define EPL_MCO_ADDR_INSTANCE_PTR_ &pInstance,
// macro for access of struct members of one instance
// An access to a member of instance table must be casted by the local
// defined type of instance table.
#define EPL_MCO_INST_ENTRY (*(tEplPtrInstance)pInstance)
#define EPL_MCO_GLB_VAR(var) (((tEplPtrInstance)pInstance)->var)
// macros for process pointer to instance
#define EPL_MCO_GET_INSTANCE_PTR() pInstance = (tEplPtrInstance) GetInstancePtr (InstanceHandle);
#define EPL_MCO_GET_FREE_INSTANCE_PTR() pInstance = (tEplPtrInstance) GetFreeInstance (); \
ASSERT (pInstance != CCM_ILLINSTANCE);
// This macro should be used to check the passed pointer to an public function
#define EPL_MCO_CHECK_INSTANCE_STATE() ASSERT (pInstance != NULL); \
ASSERT (((tEplPtrInstance)pInstance)->m_InstState == kStateUsed);
// macros for declaration of pointer to instance pointer
#define EPL_MCO_DECL_PTR_INSTANCE_PTR void MEM* MEM* pInstancePtr
#define EPL_MCO_DECL_PTR_INSTANCE_PTR_ void MEM* MEM* pInstancePtr,
// macros for reference of pointer to instance pointer
// These macros are used for parameter passing to called function.
#define EPL_MCO_PTR_INSTANCE_PTR pInstancePtr
#define EPL_MCO_PTR_INSTANCE_PTR_ pInstancePtr,
// macros for process pointer to instance pointer
#define EPL_MCO_CHECK_PTR_INSTANCE_PTR() ASSERT (pInstancePtr != NULL);
#define EPL_MCO_SET_PTR_INSTANCE_PTR() (*pInstancePtr = pInstance);
#define EPL_MCO_INSTANCE_PARAM(a) (a)
#define EPL_MCO_INSTANCE_PARAM_(a) (a),
#define EPL_MCO_INSTANCE_PARAM_IDX_() EPL_MCO_INSTANCE_PARAM_ (EPL_MCO_GLB_VAR (m_bInstIndex))
#define EPL_MCO_INSTANCE_PARAM_IDX() EPL_MCO_INSTANCE_PARAM (EPL_MCO_GLB_VAR (m_bInstIndex))
#define EPL_MCO_WRITE_INSTANCE_STATE(a) EPL_MCO_GLB_VAR (m_InstState) = a;
// this macro deletes all instance entries as unused
#define EPL_MCO_DELETE_INSTANCE_TABLE() \
{ \
tEplInstanceInfo MEM* pInstance = &aEplInstanceTable_g[0]; \
tFastByte InstNumber = 0; \
tFastByte i = EPL_MAX_INSTANCES; \
do { \
pInstance->m_InstState = (BYTE) kStateUnused; \
pInstance->m_bInstIndex = (BYTE) InstNumber; \
pInstance++; InstNumber++; i--; \
} while (i != 0); \
}
// definition of functions which has to be defined in each module of CANopen stack
#define EPL_MCO_DEFINE_INSTANCE_FCT() \
static tEplPtrInstance GetInstancePtr (tEplInstanceHdl InstHandle_p); \
static tEplPtrInstance GetFreeInstance (void);
#define EPL_MCO_DECL_INSTANCE_FCT() \
static tEplPtrInstance GetInstancePtr (tEplInstanceHdl InstHandle_p) { \
return &aEplInstanceTable_g[InstHandle_p]; } \
static tEplPtrInstance GetFreeInstance (void) { \
tEplInstanceInfo MEM* pInstance = &aEplInstanceTable_g[0]; \
tFastByte i = EPL_MAX_INSTANCES; \
do { if (pInstance->m_InstState != kStateUsed) { \
return (tEplPtrInstance) pInstance; } \
pInstance++; i--; } \
while (i != 0); \
return CCM_ILLINSTANCE; }
// this macro defines the instance table. Each entry is reserved for an instance of CANopen.
#define EPL_MCO_DECL_INSTANCE_VAR() \
static tEplInstanceInfo MEM aEplInstanceTable_g [EPL_MAX_INSTANCES];
// this macro defines member variables in instance table which are needed in
// all modules of Epl stack
#define EPL_MCO_DECL_INSTANCE_MEMBER() \
STATIC BYTE m_InstState; \
STATIC BYTE m_bInstIndex;
#define EPL_MCO_INSTANCE_PARAM_IDX_() EPL_MCO_INSTANCE_PARAM_ (EPL_MCO_GLB_VAR (m_bInstIndex))
#define EPL_MCO_INSTANCE_PARAM_IDX() EPL_MCO_INSTANCE_PARAM (EPL_MCO_GLB_VAR (m_bInstIndex))
#else // only one instance is used
// Memory attributes for instance table.
#define INST_FAR MEM // variables wich have to located in xdata
#define STATIC static // prevent warnings for variables with same name
#define INSTANCE_TYPE_BEGIN
#define INSTANCE_TYPE_END
// macros for declaration, initializing and member access for instance handle
// This class of macros are used by API function to inform CCM-modul which
// instance is to be used.
// macros for reference of instance handle
// These macros are used for parameter passing to CANopen API function.
#define CCM_INSTANCE_HDL
#define CCM_INSTANCE_HDL_
#define CCM_DECL_INSTANCE_PTR_LOCAL
// macros for declaration within the function header or prototype
#define CCM_DECL_INSTANCE_HDL void
#define CCM_DECL_INSTANCE_HDL_
// macros for process instance handle
#define CCM_CHECK_INSTANCE_HDL()
// macros for declaration of pointer to instance handle
#define CCM_DECL_PTR_INSTANCE_HDL void
#define CCM_DECL_PTR_INSTANCE_HDL_
// macros for process pointer to instance handle
#define CCM_CHECK_PTR_INSTANCE_HDL()
// This macro returned the handle and pointer to next free instance.
#define CCM_GET_FREE_INSTANCE_AND_HDL()
#define CCM_CHECK_INSTANCE_PTR()
#define CCM_GET_INSTANCE_PTR()
#define CCM_GET_FREE_INSTANCE_PTR()
#define CCM_INSTANCE_PARAM(par)
#define CCM_INSTANCE_PARAM_(par)
#define CCM_INST_ENTRY aCcmInstanceTable_g[0]
// macros for declaration, initializing and member access for instance pointer
// This class of macros are used by CANopen internal function to point to one instance.
// macros for declaration within the function header, prototype or local var list
#define EPL_MCO_DECL_INSTANCE_PTR void
#define EPL_MCO_DECL_INSTANCE_PTR_
#define EPL_MCO_DECL_INSTANCE_PTR_LOCAL
// macros for reference of pointer to instance
// These macros are used for parameter passing to called function.
#define EPL_MCO_INSTANCE_PTR
#define EPL_MCO_INSTANCE_PTR_
#define EPL_MCO_ADDR_INSTANCE_PTR_
// macros for process pointer to instance
#define EPL_MCO_GET_INSTANCE_PTR()
#define EPL_MCO_GET_FREE_INSTANCE_PTR()
// This macro should be used to check the passed pointer to an public function
#define EPL_MCO_CHECK_INSTANCE_STATE()
// macros for declaration of pointer to instance pointer
#define EPL_MCO_DECL_PTR_INSTANCE_PTR void
#define EPL_MCO_DECL_PTR_INSTANCE_PTR_
// macros for reference of pointer to instance pointer
// These macros are used for parameter passing to called function.
#define EPL_MCO_PTR_INSTANCE_PTR
#define EPL_MCO_PTR_INSTANCE_PTR_
// macros for process pointer to instance pointer
#define EPL_MCO_CHECK_PTR_INSTANCE_PTR()
#define EPL_MCO_SET_PTR_INSTANCE_PTR()
#define EPL_MCO_INSTANCE_PARAM(a)
#define EPL_MCO_INSTANCE_PARAM_(a)
#define EPL_MCO_INSTANCE_PARAM_IDX_()
#define EPL_MCO_INSTANCE_PARAM_IDX()
// macro for access of struct members of one instance
#define EPL_MCO_INST_ENTRY aEplInstanceTable_g[0]
#define EPL_MCO_GLB_VAR(var) (var)
#define EPL_MCO_WRITE_INSTANCE_STATE(a)
// this macro deletes all instance entries as unused
#define EPL_MCO_DELETE_INSTANCE_TABLE()
// definition of functions which has to be defined in each module of CANopen stack
#define EPL_MCO_DEFINE_INSTANCE_FCT()
#define EPL_MCO_DECL_INSTANCE_FCT()
// this macro defines the instance table. Each entry is reserved for an instance of CANopen.
#define EPL_MCO_DECL_INSTANCE_VAR()
// this macro defines member variables in instance table which are needed in
// all modules of CANopen stack
#define EPL_MCO_DECL_INSTANCE_MEMBER()
#endif
/*
#if (CDRV_MAX_INSTANCES > 1)
#define CDRV_REENTRANT REENTRANT
#else
#define CDRV_REENTRANT
#endif
*/
#endif // _EPLINSTDEF_H_
// Die letzte Zeile muß unbedingt eine leere Zeile sein, weil manche Compiler
// damit ein Problem haben, wenn das nicht so ist (z.B. GNU oder Borland C++ Builder).
|