FreeCalypso > hg > fc-magnetite

annotate src/gpf3/ccd/csn1_sh_opt.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents c41a534f33c6
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul : csn1_sh_opt.c
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : Definition of encoding and decoding functions for CSN1_SH_OPT
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18 | elements
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22
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23 /*
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24 * standard definitions like GLOBAL, UCHAR, ERROR etc.
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25 */
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26 #include "typedefs.h"
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27 #include "header.h"
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28
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29 /*
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30 * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only
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31 * look at ccdapi.h
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32 */
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33 #undef USE_DRIVER
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34 #include "ccdapi.h"
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35
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36 /*
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37 * Types and functions for bit access and manipulation
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38 */
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39 #include "ccd_globs.h"
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40 #include "bitfun.h"
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41
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42 /*
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43 * Prototypes of ccd internal functions
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44 */
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45 #include "ccd.h"
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46
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47 /*
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48 * Declaration of coder/decoder tables
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49 */
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50 #include "ccdtable.h"
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51 #include "ccddata.h"
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52
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53
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54 extern SHORT cdc_csn1_sx_decode (int flag, const ULONG e_ref, T_CCD_Globs *globs);
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55 extern SHORT cdc_csn1_sx_encode (int flag, const ULONG e_ref, T_CCD_Globs *globs);
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56
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57 #ifndef RUN_FLASH
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58 /*
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59 +------------------------------------------------------------------------+
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60 | PROJECT : CCD (6144) MODULE : CDC_GSM |
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61 | STATE : code ROUTINE : cdc_csn1_shl_opt_decode |
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62 +------------------------------------------------------------------------+
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63
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64 PURPOSE : Decoding of the GSM Type CSN1 SHL OPT element.
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65 This coding type enhances the GSM Type CSN1 SHL. It supports
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66 previous behaviour of CSN1_SHL and the lack of the whole
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67 element.
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68 The coding type CSN1_SHL_OPT is suitable for elements which
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69 structures match to the following common definition:
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70 { null | L | H { 0 | 1 < value part > }
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71
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72 The element value can be present, then it is preceded by the
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73 flag value H. If the element is represented by the flag L only
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74 the value is absent! Besides the absence of the whole element
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75 is allowed.
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76 */
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77
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78 SHORT cdc_csn1_shl_opt_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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79 {
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80
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81 #ifdef DEBUG_CCD
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82 #ifndef CCD_SYMBOLS
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83 TRACE_CCD (globs, "cdc_csn1_shl_opt_decode()");
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84 #else
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85 TRACE_CCD (globs, "cdc_csn1_shl_opt_decode() %s", ccddata_get_alias((USHORT) e_ref, 1));
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86 #endif
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87 #endif
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88
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89 return cdc_csn1_sx_decode (0xFF, e_ref, globs);
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90 }
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91 #endif /* !RUN_FLASH */
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92
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93 #ifndef RUN_FLASH
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94 /*
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95 +------------------------------------------------------------------------+
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96 | PROJECT : CCD (6144) MODULE : CDC_GSM |
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97 | STATE : code ROUTINE : cdc_csn1_shl_opt_encode |
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98 +------------------------------------------------------------------------+
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99
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100 PURPOSE : Encoding of the GSM Type CSN1 SHL OPT element doesn't differ
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101 from encoding of the GSM Type CSN1 SHL.
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102 This element consists of a 1 bit valid flag and a value part.
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103 If the element is valid (the v_xxx components is TRUE in the
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104 decoded message) a H bit will be coded followed by the
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105 coding of the value part. Otherwise a L bit will be
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106 coded.
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107
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108 */
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109
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110 SHORT cdc_csn1_shl_opt_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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111 {
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112 #ifdef DEBUG_CCD
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113 #ifndef CCD_SYMBOLS
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114 TRACE_CCD (globs, "cdc_csn1_shl_opt_encode()");
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115 #else
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116 TRACE_CCD (globs, "cdc_csn1_shl_opt_encode() %s", ccddata_get_alias((USHORT) e_ref, 1));
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Mychaela Falconia <falcon@freecalypso.org>
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117 #endif
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118 #endif
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119
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120 return cdc_csn1_sx_encode (0xFF, e_ref, globs);
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121 }
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122 #endif /* !RUN_FLASH */