+
−/* 
+
−+------------------------------------------------------------------------------
+
−|  File:       vsi_sem.c
+
−+------------------------------------------------------------------------------
+
−|  Copyright 2002 Texas Instruments Berlin, AG 
+
−|                 All rights reserved. 
+
−| 
+
−|                 This file is confidential and a trade secret of Texas 
+
−|                 Instruments Berlin, AG 
+
−|                 The receipt of or possession of this file does not convey 
+
−|                 any rights to reproduce or disclose its contents or to 
+
−|                 manufacture, use, or sell anything it may describe, in 
+
−|                 whole, or in part, without the specific written consent of 
+
−|                 Texas Instruments Berlin, AG. 
+
−+----------------------------------------------------------------------------- 
+
−|  Purpose :  This Module defines the virtual system interface part
+
−|             for the semaphore handling.
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−#ifndef __VSI_SEM_C__
+
−#define __VSI_SEM_C__
+
−#endif
+
−
+
−/*==== INCLUDES ===================================================*/
+
−
+
−#include "typedefs.h"
+
−#include "vsi.h"
+
−#include "os.h"
+
−#include "frm_defs.h"
+
−#include "frm_types.h"
+
−#include "frm_glob.h"
+
−
+
−/*==== TYPES ======================================================*/
+
−
+
−
+
−/*==== CONSTANTS ==================================================*/
+
−
+
−
+
−/*==== EXTERNALS ==================================================*/
+
−/* -------------- S H A R E D - BEGIN ---------------- */
+
−#ifdef _TOOLS_
+
−#pragma data_seg("FRAME_SHARED")
+
−#endif
+
−
+
−/*==== VARIABLES ==================================================*/
+
−
+
−
+
−#ifdef _TOOLS_
+
−#pragma data_seg()
+
−#endif
+
−/* -------------- S H A R E D - END ---------------- */
+
−
+
−/*==== FUNCTIONS ==================================================*/
+
−
+
−
+
−#ifndef RUN_INT_RAM
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-Frame (8415)           MODULE  : VSI_SEM             |
+
−| STATE   : code                       ROUTINE : vsi_s_open          |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : opens a semaphore, creates if not exist
+
−
+
−*/
+
−
+
−T_HANDLE vsi_s_open (T_HANDLE Caller, char *Name, USHORT Count)
+
−{
+
−OS_HANDLE SemHandle;
+
−
+
−  /*
+
−   * if semaphore already exists, return handle
+
−   */
+
−  if ( os_OpenSemaphore ( Caller, Name, &SemHandle ) != OS_ERROR )
+
−    return SemHandle;
+
−
+
−  /*
+
−   * if semaphore not exists, create
+
−   */
+
−  if ( os_CreateSemaphore ( Caller, Name, Count, &SemHandle, pf_TaskTable[Caller].MemPoolHandle ) != OS_ERROR )
+
−    return SemHandle;
+
−  else
+
−    vsi_o_assert( Caller, OS_SYST_ERR_MAX_SEMA, __FILE__, __LINE__,
+
−                  "Number of created semaphores > MAX_SEMAPHORES" );
+
−
+
−  /*
+
−   * if semaphore cannot be created, return VSI_ERROR
+
−   */
+
−  return VSI_ERROR;
+
−}
+
−#endif
+
−
+
−#ifndef RUN_INT_RAM
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-Frame (8415)           MODULE  : VSI_SEM             |
+
−| STATE   : code                       ROUTINE : vsi_s_close          |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : closes a semaphore
+
−
+
−*/
+
−
+
−int vsi_s_close (T_HANDLE Caller, T_HANDLE SemHandle)
+
−{
+
−
+
−  if ( os_CloseSemaphore ( Caller, SemHandle ) != OS_ERROR )
+
−    return VSI_OK;
+
−
+
−  return VSI_ERROR;
+
−}
+
−#endif
+
−
+
−#ifndef RUN_FLASH
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-Frame (8415)           MODULE  : VSI_SEM             |
+
−| STATE   : code                       ROUTINE : vsi_s_get           |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : obtains a semaphore
+
−
+
−*/
+
−
+
−int vsi_s_get (T_HANDLE Caller, T_HANDLE SemHandle)
+
−{
+
−LONG Status;
+
−
+
−  Status = os_ObtainSemaphore ( Caller, SemHandle, OS_SUSPEND );
+
−  if ( Status == OS_OK || Status == OS_WAITED )
+
−    return VSI_OK;
+
−
+
−  return VSI_ERROR;
+
−}
+
−#endif
+
−
+
−#ifndef RUN_FLASH
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-Frame (8415)           MODULE  : VSI_SEM             |
+
−| STATE   : code                       ROUTINE : vsi_s_release       |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : releases a semaphore
+
−
+
−*/
+
−
+
−int vsi_s_release (T_HANDLE Caller, T_HANDLE SemHandle)
+
−{
+
−
+
−  if ( os_ReleaseSemaphore ( Caller, SemHandle ) != OS_ERROR )
+
−    return VSI_OK;
+
−
+
−  return VSI_ERROR;
+
−}
+
−#endif
+
−
+
−#ifndef RUN_INT_RAM
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-Frame (8415)           MODULE  : VSI_SEM             |
+
−| STATE   : code                       ROUTINE : vsi_s_status        |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : request the current count of a semaphore
+
−
+
−*/
+
−
+
−int vsi_s_status (T_HANDLE Caller, T_HANDLE SemHandle, USHORT *Count )
+
−{
+
−
+
−  if ( os_QuerySemaphore ( Caller, SemHandle, Count ) != OS_ERROR )
+
−    return VSI_OK;
+
−
+
−  return VSI_ERROR;
+
−}
+
−#endif
+
−