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!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents fa8dc04885d8
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  
|  Modul   :  
+----------------------------------------------------------------------------- 
|  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 llc_irxf.c
+----------------------------------------------------------------------------- 
*/ 

#ifndef LLC_IRXF_H
#define LLC_IRXF_H


EXTERN void irx_init            (void);
EXTERN void irx_init_sapi       (void);
EXTERN void irx_init_abm        (void);

EXTERN void irx_queue_store     (T_LL_UNITDATA_IND *ll_unitdata_ind,  
                                 T_FRAME_NUM       ns,
                                 BOOL              *is_busy);
EXTERN void irx_queue_retrieve  (T_LL_UNITDATA_IND **ll_unitdata_ind, BOOL* found);
EXTERN void irx_queue_clean     (void);
EXTERN void irx_get_last_queued_ns (BOOL *found, T_FRAME_NUM *num);

EXTERN void irx_update_vr       (void);
EXTERN void irx_ack_all_to      (T_FRAME_NUM n);
EXTERN void irx_handle_sack     (T_FRAME_NUM nr, T_LL_UNITDATA_IND*, T_PDU_TYPE);
EXTERN void irx_send_ack        (T_BIT a_bit);
EXTERN void irx_send_rnr        (void);

EXTERN void irx_build_sack_bitmap (T_SACK_BITMAP *bitmap);

#endif /* !LLC_IRXF_H */