FreeCalypso > hg > fc-tourmaline
annotate src/gpf/ccd/asn1_bitstr.c @ 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> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : asn1_bitstr.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 ASN1_BITSTRING |
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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 * Standard definitions like UCHAR, ERROR etc. |
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24 */ |
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25 #include "typedefs.h" |
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26 #include "header.h" |
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27 |
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28 /* |
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29 * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only |
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30 * look at ccdapi.h |
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31 */ |
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32 #undef USE_DRIVER |
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33 #include "ccdapi.h" |
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34 |
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35 /* |
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36 * Types and functions for bit access and manipulation |
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37 */ |
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38 #include "ccd_globs.h" |
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39 #include "bitfun.h" |
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40 |
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41 /* |
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42 * Prototypes of ccd internal functions |
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43 */ |
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44 #include "ccd.h" |
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45 |
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46 /* |
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47 * Declaration of coder/decoder tables |
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48 */ |
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49 #include "ccdtable.h" |
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50 #include "ccddata.h" |
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51 |
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52 #ifndef RUN_INT_RAM |
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53 /* |
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54 +--------------------------------------------------------------------+ |
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55 | PROJECT : CCD (6144) MODULE : CDC_GSM | |
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56 | STATE : code ROUTINE : cdc_bitstring_decode | |
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57 +--------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : UNALIGNED PER decoding of the bit string type (UMTS) |
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60 The coded bits are preceded by a length indicator, if |
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61 they are not of fixed length. The length indicator is |
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62 decoded as an ASN1_INTEGER type. |
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63 */ |
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64 |
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65 SHORT cdc_bitstring_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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66 { |
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67 ULONG repeat; |
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68 U8 *old_pstruct = NULL; |
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69 |
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70 #ifdef DEBUG_CCD |
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71 #ifndef CCD_SYMBOLS |
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72 TRACE_CCD (globs, "cdc_asn1_bitstring_decode()"); |
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73 #else |
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74 TRACE_CCD (globs, "cdc_asn1_bitstring_decode() '%s'", ccddata_get_alias((USHORT) e_ref, 1)); |
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75 #endif |
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76 #endif |
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77 |
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78 /* |
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79 * Set pstrcutOffs and maxRep. |
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80 * Check the valid flag in case of optional elements. |
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81 */ |
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82 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK) |
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83 return 1; |
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84 |
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85 #ifdef DYNAMIC_ARRAYS |
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86 /* |
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87 * Check for pointer types, and allocate memory if necessary. |
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88 * May overwrite globs->pstruct (and initialize globs->pstructOffs to 0). |
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89 */ |
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90 if ( is_pointer_type(e_ref) ) { |
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91 old_pstruct = globs->pstruct; |
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92 if ( PER_allocmem_and_update(e_ref, (USHORT) ((repeat >> 3) +1), globs) NEQ ccdOK) |
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93 /* No memory - Return. Error already set in function call above. */ |
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94 return 1; |
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95 } |
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96 #endif |
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97 |
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98 bf_readBitStr_PER ((USHORT) repeat, globs); |
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99 |
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100 #ifdef DYNAMIC_ARRAYS |
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101 if (old_pstruct NEQ NULL) |
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102 globs->pstruct = old_pstruct; |
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103 #endif |
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104 |
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105 return 1; |
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106 } |
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107 |
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108 #endif /* !RUN_INT_RAM */ |
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109 #ifndef RUN_INT_RAM |
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110 |
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111 /* |
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112 +--------------------------------------------------------------------+ |
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113 | PROJECT : CCD (6144) MODULE : CDC_GSM | |
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114 | STATE : code ROUTINE : cdc_bitstring_encode | |
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115 +--------------------------------------------------------------------+ |
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116 |
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117 PURPOSE : UNALIGNED PER encoding of the bit string type (UMTS) |
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118 The coded bits are preceded by a length indicator, if |
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119 they are not of fixed length. The length indicator is |
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120 decoded as an ASN1_INTEGER type. |
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121 */ |
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122 |
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123 SHORT cdc_bitstring_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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124 { |
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125 ULONG repeat; |
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126 U8 *old_pstruct = NULL; |
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127 |
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128 #ifdef DEBUG_CCD |
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129 #ifndef CCD_SYMBOLS |
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130 TRACE_CCD (globs, "cdc_asn1_bitstring_encode()"); |
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131 #else |
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132 TRACE_CCD (globs, "cdc_asn1_bitstring_encode() '%s'", ccddata_get_alias((USHORT) e_ref, 1)); |
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133 #endif |
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134 #endif |
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135 |
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136 /* |
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137 * Set pstructOffs and maxRep. |
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138 * Check the valid flag in case of optional elements. |
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139 */ |
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140 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK) |
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141 return 1; |
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142 |
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143 #ifdef DYNAMIC_ARRAYS |
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144 if ( is_pointer_type(e_ref) ) { |
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145 old_pstruct = globs->pstruct; |
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146 globs->pstruct = *(U8 **)(globs->pstruct + globs->pstructOffs); |
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147 |
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148 if (ccd_check_pointer(globs->pstruct) == ccdOK) |
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149 { |
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150 globs->pstructOffs = 0; |
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151 } |
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152 else |
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153 { |
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154 ccd_recordFault (globs, ERR_INVALID_PTR, BREAK, (USHORT) e_ref, |
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155 &globs->pstruct[globs->pstructOffs]); |
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156 return 1; |
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157 } |
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|
158 } |
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159 #endif |
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160 |
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161 bf_writeBitStr_PER ((USHORT) repeat, globs); |
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162 |
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163 #ifdef DYNAMIC_ARRAYS |
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164 if ( old_pstruct NEQ NULL ) |
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165 globs->pstruct = old_pstruct; |
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166 #endif |
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167 |
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168 return 1; |
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169 } |
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170 #endif /* !RUN_INT_RAM */ |