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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents fa8dc04885d8
children
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/*----------------------------------------------------------------------------
|  Project :  3G PS
|  Module  :  UPM
+-----------------------------------------------------------------------------
|             Copyright 2003 Texas Instruments.
|             All rights reserved. 
| 
|             This file is confidential and a trade secret of Texas 
|             Instruments .
|             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. 
+-----------------------------------------------------------------------------
| Purpose:    Process dispatcher helper functions in the UPM entity.
|             For design details, see:
|             8010.939 UPM Detailed Specification
+---------------------------------------------------------------------------*/

/*==== DECLARATION CONTROL =================================================*/

#ifndef UPM_DISPATCHER_GSM_H
#define UPM_DISPATCHER_GSM_H

/*==== INCLUDES =============================================================*/

#include "upm.h"

/*==== CONSTS ===============================================================*/

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

/*==== EXPORTS ==============================================================*/

extern void upm_disp_mmpm_sequence_ind (T_MMPM_SEQUENCE_IND *prim);
extern void upm_disp_sn_activate_cnf   (T_SN_ACTIVATE_CNF   *prim);
extern void upm_disp_sn_count_cnf      (T_SN_COUNT_CNF      *prim);
extern void upm_disp_sn_deactivate_cnf (T_SN_DEACTIVATE_CNF *prim);
extern void upm_disp_sn_modify_cnf     (T_SN_MODIFY_CNF     *prim);
#endif /* UPM_DISPATCHER_GSM_H */
/*==== END OF FILE ==========================================================*/