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view src/g23m-aci/aci/cmh_phb.h @ 220:0ed36de51973

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ABB semaphore protection overhaul The ABB semaphone protection logic that came with TCS211 from TI was broken in several ways: * Some semaphore-protected functions were called from Application_Initialize() context. NU_Obtain_Semaphore() called with NU_SUSPEND fails with NU_INVALID_SUSPEND in this context, but the return value wasn't checked, and NU_Release_Semaphore() would be called unconditionally at the end. The latter call would increment the semaphore count past 1, making the semaphore no longer binary and thus no longer effective for resource protection. The fix is to check the return value from NU_Obtain_Semaphore() and skip the NU_Release_Semaphore() call if the semaphore wasn't properly obtained. * Some SPI hardware manipulation was being done before entering the semaphore- protected critical section. The fix is to reorder the code: first obtain the semaphore, then do everything else. * In the corner case of L1/DSP recovery, l1_abb_power_on() would call some non-semaphore-protected ABB & SPI init functions. The fix is to skip those calls in the case of recovery. * A few additional corner cases existed, all of which are fixed by making ABB semaphore protection 100% consistent for all ABB functions and code paths. There is still one remaining problem of priority inversion: suppose a low- priority task calls an ABB function, and some medium-priority task just happens to preempt right in the middle of that semaphore-protected ABB operation. Then the high-priority SPI task is locked out for a non-deterministic time until that medium-priority task finishes its work and goes back to sleep. This priority inversion problem remains outstanding for now.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Apr 2021 20:55:25 +0000
parents fa8dc04885d8
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  GSM-PS (6147)
|  Modul   :  CMH_PHB
+----------------------------------------------------------------------------- 
|  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 :  Definitions for the command handler of the 
|             phonebook management.
+----------------------------------------------------------------------------- 
*/ 

#ifndef CMH_PHB_H
#define CMH_PHB_H

/*==== CONSTANTS ==================================================*/
  
#define PHB_CMH_IDX_MAX     (255) /* index maximum value          */
#define PHB_CMH_IDX_MIN     (1)   /* index minimum value          */

#define PHB_TONPI_NO_DIAL   0xFF  /* SSC String contains no       */
                                  /* dialling number              */
#define PHB_DIAL_WAIT       ('W') /* Dial str. wait for confirm   */
#define PHB_DIAL_PAUSE      ('P') /* DTMF 3 sec pause character   */
#define PHB_DTMF_SEP        ('P') /* DTMF separator character     */
#define PHB_WILD_CRD        ('?') /* PHB wild card character      */
#define PHB_EXP_DIGIT       ('E') /* 11.11 Expansion digit (n.a.) */

/*==== TYPES ======================================================*/

/*==== PROTOTYPES =================================================*/

GLOBAL BOOL  cmhPHB_rplcIntnl  ( CHAR*          inNumber, 
                                 CHAR*          outNumber,
                                 UBYTE          inCnt      );
GLOBAL BOOL  cmhPHB_cvtPhbType ( T_ACI_PB_STOR  inMem,
                                 T_PHB_TYPE*    outMem     );

GLOBAL void  cmhPHB_toaMrg     ( T_ACI_TOA*     type,
                                 UBYTE*         octet      );
GLOBAL void  cmhPHB_toaDmrg    ( UBYTE          octet,
                                 T_ACI_TOA*     type       );
GLOBAL void  cmhPHB_getAdrBcd  ( UBYTE*         pBcd,
                                 UBYTE*         pNumDigits,
                                 UBYTE          maxDigits,
                                 CHAR*          pStr       );
GLOBAL UBYTE cmhPHB_getAdrStr  ( CHAR*          pStr,
                                 UBYTE          maxIdx,
                           const UBYTE*         pBcd,
                                 UBYTE          numDigits  );
GLOBAL void cmhPHB_cpyRecEntr  ( T_ACI_PB_ENTR* entry, 
#ifdef TI_PS_FFS_PHB
                                 T_PHB_TYPE     book,
#endif
                           const T_PHB_RECORD*  record     );
GLOBAL void cmhPHB_invldEntr   ( T_ACI_PB_ENTR* entry      );

GLOBAL T_ACI_RETURN cmhPHB_PlusCPBF  ( T_ACI_CMD_SRC  srcId,
                                       T_ACI_PB_TEXT  *findtext,
                                       T_ACI_SR_TYP   type,
                                       T_ACI_CPBF_MOD mode,
                                       SHORT*         firstIdx,
                                       SHORT*         found,
                                       T_ACI_PB_ENTR* pbLst     );
GLOBAL T_ACI_RETURN cmhPHB_PlusCPBR  ( T_ACI_CMD_SRC  srcId,
                                       T_ACI_SR_TYP   type,
                                       SHORT          startIdx,
                                       SHORT          stopIdx,
                                       SHORT*         lastIdx,
                                       T_ACI_PB_ENTR* pbLst     );
GLOBAL void         cmhPHB_getTagNt  ( UBYTE*         inTag,
                                       UBYTE          maxInLen,
                                       CHAR*          outTag, 
                                       UBYTE          maxOutLen );
GLOBAL void         cmhPHB_getTagSim ( T_ACI_PB_TEXT  *inTag,
                                       UBYTE*         outTag, 
                                       UBYTE          maxOutLen );
GLOBAL void         cmhPHB_invldPhbDateTime
                                     ( T_PHB_RECORD*  record    );
GLOBAL void         cmhPHB_invldCmhDateTime
                                     ( T_ACI_VP_ABS*  dateTime  );
GLOBAL void         cmhPHB_cpyCmhDateTime
                                     ( const T_ACI_VP_ABS*  dateTime,
                                       T_PHB_RECORD*  record    );
GLOBAL void         cmhPHB_cpyPhbDateTime 
                                     ( const T_PHB_RECORD*  record,
                                       T_ACI_VP_ABS*  dateTime  );
GLOBAL void         cmhPHB_StatIndication 
                                     ( T_PHB_STAT     psaStatus,
                                       SHORT          cmeError, 
                                       BOOL           indicate  );

GLOBAL void cmhPHB_getMfwTagSim      ( T_ACI_PB_TEXT*  inTag,
                                       UBYTE*          outTag, 
                                       UBYTE*          outTagLen, 
                                       UBYTE           maxOutLen );
GLOBAL void cmhPHB_getMfwTagNt       ( const UBYTE*    inTag,
                                       UBYTE           maxInLen,
                                       UBYTE*          outTag, 
                                       UBYTE*          maxOutLen );

GLOBAL CHAR cmhPHB_convertBCD2char   ( UBYTE bcd );

GLOBAL void cmhPHB_ksdDecodeToa      (CHAR*         number, 
                                      CHAR**        pNumber, 
                                      T_PHB_RECORD* entry);

/*==== EXPORT =====================================================*/

#ifdef CMH_PHBF_C

GLOBAL T_ENT_STAT phbEntStat;
GLOBAL T_ACI_PBCF_LDN PBCFldn = PBCF_LDN_Enable;
GLOBAL T_ACI_PBCF_LRN PBCFlrn = PBCF_LRN_Enable;
GLOBAL T_ACI_PBCF_LMN PBCFlmn = PBCF_LMN_Enable;

#else

EXTERN T_ENT_STAT phbEntStat;
EXTERN T_ACI_PBCF_LDN PBCFldn;
EXTERN T_ACI_PBCF_LRN PBCFlrn;
EXTERN T_ACI_PBCF_LMN PBCFlmn;

#endif /* CMH_PHBF_C */

#endif /* CMH_PHB_H */

/*==== EOF =======================================================*/