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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 :  GPRS (8441)
|  Modul   :  GRLC
+----------------------------------------------------------------------------- 
|  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 service TPC.
+----------------------------------------------------------------------------- 
*/ 

#ifndef GRLC_TPCS_H
#define GRLC_TPCS_H

/* TPC Signals */

EXTERN void sig_gff_tpc_pwr_ctrl_ind ( T_MAC_PWR_CTRL_IND * mac_pwr_ctrl_ind );

EXTERN void sig_tm_tpc_update_pch    ( void                                  );

/* PEI_CONFIG Signals */

EXTERN void sig_pei_config_tpc_set_pwr_par( UBYTE alpha, UBYTE gamma );

EXTERN void sig_pei_config_tpc_fix_pcl    ( UBYTE pcl );

/* Access Functions */

EXTERN void tpc_grlc_init  ( void );

EXTERN void tpc_get_pch    ( UBYTE *pch_dest );

EXTERN void tpc_set_pwr_ctrl_param
                           ( T_CGRLC_pwr_ctrl_param *pwr_ctrl_param );

EXTERN void tpc_set_glbl_pwr_ctrl_param
                           ( T_CGRLC_glbl_pwr_ctrl_param *glbl_pwr_ctrl_param );

#endif /* #ifndef GRLC_TPCS_H */