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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 35f7a1dc9f7d
children
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;********************************************************************************
;*** File           : tst.mdf
;*** Creation       : Thu Jun 19 15:32:14 CST 2008
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Air Interface Message Specification
;*** Document Name  : tst
;*** Document No.   : 8441.603.99.005
;*** Document Date  : 2000-10-23
;*** Document Status: BEING_PROCESSED
;*** Document Author: ANS
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Wed Nov 28 10:21:30 2007"
PRAGMA 	LAST_MODIFIED 	"2000-10-23"
PRAGMA 	ID_AND_VERSION 	"8441.603.99.005"



CONST 	L3MAX 	251 	; maximum size of a L3 buffer
CONST 	MAX_N_PDU_NUMBER_LIST 	11 	; maximum size of N-PDU number list



VALTAB 	VAL_no_of_pdus
VAL 	DEF 	 	"Number of PDUs to transmit"
VAL 	0 	TEST_INFINITIVE_NO 	"ciphering not used"

VALTAB 	VAL_dl_timeslot_offset
VAL 	0 	TEST_TN0 	"downlink timeslot offsett 0"
VAL 	1 	TEST_TN1 	"downlink timeslot offsett 1"
VAL 	2 	TEST_TN2 	"downlink timeslot offsett 2"
VAL 	3 	TEST_TN3 	"downlink timeslot offsett 3"
VAL 	4 	TEST_TN4 	"downlink timeslot offsett 4"
VAL 	5 	TEST_TN5 	"downlink timeslot offsett 5"
VAL 	6 	TEST_TN6 	"downlink timeslot offsett 6"
VAL 	7 	TEST_TN7 	"downlink timeslot offsett 7"

VALTAB 	VAL_mode_flag_val
VAL 	0 	TEST_RANDOM 	"pseudorandom data"
VAL 	1 	TEST_LOOP 	"loop back"




VAR 	msg_type 	"Message Type" 	
 	8


VAR 	no_of_pdus 	"Number of PDUs" 	
 	12

VAL 	@m_tst - VAL_no_of_pdus@ 	

VAR 	dl_timeslot_offset 	"Downlink Timeslot Offset" 	
 	3

VAL 	@m_tst - VAL_dl_timeslot_offset@ 	

VAR 	mode_flag_val 	"Mode Flag Value" 	
 	1

VAL 	@m_tst - VAL_mode_flag_val@ 	




COMP 	pdu_description 	"PDU Description"
{
 	.000  ; spare
 	 	no_of_pdus 	 ; Number
}



COMP 	pdu_description_ie 	"PDU Description IE"
{
 	CSN1_S1  	pdu_description 	 ; PDU Description
}



COMP 	mode_flag 	"Mode Flag"
{
 	.0000  ; spare
 	 	dl_timeslot_offset 	 ; Downlink Timeslot Offset
 	 	mode_flag_val 	 ; Mode Flag Value
}






MSG 	gprs_test_mode_cmd 	downlink 	36 ; gprs_test_mode_cmd
{
 	GSM3_V  	msg_type 	 ; Message Type
 	GSM3_V  	pdu_description_ie 	 ; PDU description
 	GSM3_V  	mode_flag 	 ; Mode Flag
}