annotate cdg-hybrid/sap/tb.pdf @ 303:f76436d19a7a default tip

!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
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children
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1 ;********************************************************************************
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2 ;*** File : tb.pdf
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3 ;*** Creation : Wed Mar 11 09:58:52 CST 2009
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4 ;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
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5 ;*** Copyright : (c) Texas Instruments AG, Berlin Germany 2002
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6 ;********************************************************************************
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7 ;*** Document Type : Service Access Point Specification
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8 ;*** Document Name : tb
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9 ;*** Document No. : 8441.112.01.002
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10 ;*** Document Date : 2001-07-17
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11 ;*** Document Status: BEING_PROCESSED
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12 ;*** Document Author: SAB
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13 ;********************************************************************************
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17 PRAGMA SRC_FILE_TIME "Thu Nov 29 09:54:48 2007"
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18 PRAGMA LAST_MODIFIED "2001-07-17"
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19 PRAGMA ID_AND_VERSION "8441.112.01.002"
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23 CONST TB_BA_LIST_SIZE 33 ; BA list size
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27 VALTAB VAL_arfcn
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28 VAL 1 - 124 "GSM 900 without extension band"
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29 VAL 1 - 174 "GSM 900 with extension band"
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30 VAL 512 - 810 "PCS 1900"
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31 VAL 512 - 885 "DCS 1800"
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32 VAL 1 - 498 "Dual band(GSM/DCS)"
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33 VAL 1 - 548 "Dual band(EGSM/DCS)"
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34 VAL 0xFFFF TB_INVALID_ARFCN "Used to mark a channel number entry as invalid."
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35
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39 VAR num_meas "number" B
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41
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42 VAR rxlev "measurement value" S
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45 VAR arfcn "channel number" S
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46
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47 VAL @p_tb - VAL_arfcn@
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48
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49 VAR sc_rxlev "RXLEV value of the serving cell." B
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50
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55 COMP tb_meas_result ""
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56 {
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57 arfcn ; Channel Number
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58 rxlev ; ACC Level
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59 num_meas ; ACC nbr
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60 }
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67 ; TB_MEAS_IND 0x1800
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68 ; TB_RXLEV_SC_REQ 0x5800
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72 PRIM TB_MEAS_IND 0x1800
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73 {
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74 tb_meas_result [TB_BA_LIST_SIZE] ; Measurement result
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75 }
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82 PRIM TB_RXLEV_SC_REQ 0x5800
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83 {
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84 sc_rxlev ; RXLEV Serving Cell
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85 }
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86
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87
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