annotate cdg-hybrid/sap/ph.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
parents 35f7a1dc9f7d
children
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1 ;********************************************************************************
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2 ;*** File : ph.pdf
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3 ;*** Creation : Wed Mar 11 09:58:34 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 : ph
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9 ;*** Document No. : 6147.112.01.100
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10 ;*** Document Date : 2001-10-26
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11 ;*** Document Status: APPROVED
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12 ;*** Document Author: SBK
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13 ;********************************************************************************
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17 PRAGMA SRC_FILE_TIME "Thu Nov 29 09:50:28 2007"
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18 PRAGMA LAST_MODIFIED "2001-10-26"
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19 PRAGMA ID_AND_VERSION "6147.112.01.100"
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23 CONST DUMMY_PH 0 ; Dummy, not used, needed to satisfy tool chain which requires at least one constant definition in a SAP
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27 VALTAB VAL_ch_type
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28 VAL 0 CH_TYPE_SACCH "SACCH"
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29 VAL 1 CH_TYPE_SDCCH "SDCCH"
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30 VAL 2 CH_TYPE_FACCH "FACCH Full Rate"
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31 VAL 3 "reserved"
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32 VAL 4 "reserved"
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33 VAL 5 "reserved"
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34 VAL 6 "reserved"
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35 VAL 7 CH_TYPE_FACCH_HR "FACCH Half Rate"
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40 VAR l2_channel "Layer 2 channel-type" B
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41
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42 VAL @p_mphc - VAL_l2_channel@
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43
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44 VAR l_buf "length of content in bit" S
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47 VAR o_buf "offset of content in bit" S
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49
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50 VAR buf "buffer content; the actual size of buf is determined and allocated at run-time and not restricted to 1;" B
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51
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52
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53 VAR dummy "dummy not used" B
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59 COMP sdu "message unit"
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60 {
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61 l_buf ; length of content in bit
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62 o_buf ; offset of content in bit
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63 buf [1] ; buffer content; the actual size of buf is determined and allocated at run-time and not restricted to 1;
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64 }
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71 ; PH_READY_TO_SEND 0x4100
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72 ; PH_DATA_REQ 0x0100
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73 ; PH_TRACE_IND 0x4102
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77 PRIM PH_READY_TO_SEND 0x4100
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78 {
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79 l2_channel AS ch_type ; channel type
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80 }
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87 PRIM PH_DATA_REQ 0x0100
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88 {
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89 l2_channel AS ch_type ; channel type
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90 dummy ; dummy not used; reserved
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91 sdu ; message unit
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92 }
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99 PRIM PH_TRACE_IND 0x4102
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100 {
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101 dummy ; dummy not used; not used
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102 }
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