FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/csn1_choice_x.c @ 580:d7a40e34fee0
src/ui3/mfw/mfw_cphs.c: bogus FFS filler removed
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 29 Jan 2019 03:41:35 +0000 (2019-01-29) |
parents | c41a534f33c6 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : CCD |
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4 | Modul : csn1_choice_x.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_CHOICE2 |
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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 * standard definitions like GLOBAL, UCHAR, ERROR etc. |
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23 */ |
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24 #include "typedefs.h" |
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25 #include "header.h" |
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26 |
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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 #include "ccd_codingtypes.h" |
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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 EXTERN T_FUNC_POINTER codec[MAX_CODEC_ID+1][2]; |
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53 |
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54 #ifndef RUN_INT_RAM |
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55 /* Attention for RUN_...: static function */ |
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56 |
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57 static void decode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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58 T_CCD_Globs *globs); |
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59 static void encode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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60 T_CCD_Globs *globs); |
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61 #endif /* !RUN_INT_RAM */ |
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62 |
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63 |
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64 #ifndef RUN_INT_RAM |
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65 /* Attention for RUN_...: static function */ |
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66 /* |
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67 +--------------------------------------------------------------------+ |
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68 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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69 | STATE : code ROUTINE : decode_csn1_choice_alternative | |
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70 +--------------------------------------------------------------------+ |
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71 |
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72 PURPOSE : Decode a chosen alternative of a CSN.1 CHOICE type |
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73 Use the parameter union_tag to read the CHOICE index. |
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74 Because of union_tag it is easy to calculate the elemRef |
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75 for the chosen element which is to be decoded. Then the |
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76 appropriate decoding function for the chosen element is |
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77 called. |
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78 */ |
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79 static void decode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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80 T_CCD_Globs *globs) |
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81 { |
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82 ULONG elem_ref, mcomp_ref; |
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83 UBYTE *act_structpos; |
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84 |
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85 mcomp_ref= melem[e_ref].elemRef; |
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86 /* |
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87 * Write the CHOICE tag value in the C-structure. |
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88 * Calculate the elem_ref for the chosen element. |
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89 */ |
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90 *(T_ENUM *) (globs->pstruct+globs->pstructOffs) = union_tag; |
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91 elem_ref = mcomp[mcomp_ref].componentRef + (ULONG) union_tag; |
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92 |
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93 #ifdef DEBUG_CCD |
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94 #ifndef CCD_SYMBOLS |
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95 TRACE_CCD (globs, "decode_csn1_choice_alternative()"); |
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96 #else |
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97 TRACE_CCD (globs, "decode_csn1_choice_alternative() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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98 #endif |
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99 #endif |
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100 |
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101 /* |
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102 * Store the actual structure position. |
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103 */ |
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104 act_structpos = globs->pstruct; |
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105 globs->pstruct += (globs->pstructOffs + sizeof(T_ENUM)); |
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106 /* |
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107 * Use the jump-table for selecting the decode function |
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108 * Call the decode function for the chosen element. |
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109 */ |
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110 (void) codec[melem[elem_ref].codingType][DECODE_FUN] |
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111 (mcomp_ref, elem_ref, globs); |
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112 /* |
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113 * Restore the write pointer to prepare decoding of the next element |
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114 */ |
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115 globs->pstruct = act_structpos; |
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116 } |
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117 #endif /* !RUN_INT_RAM */ |
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118 |
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119 |
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120 #ifndef RUN_INT_RAM |
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121 /* Attention for RUN_...: static function */ |
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122 /* |
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123 +--------------------------------------------------------------------+ |
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124 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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125 | STATE : code ROUTINE : encode_csn1_choice_alternative | |
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126 +--------------------------------------------------------------------+ |
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127 |
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128 PURPOSE : Encode a chosen alternative of a CSN.1 CHOICE type. |
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129 |
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130 Because of union_tag it is easy to calculate the e_ref for |
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131 the chosen element to be encoded. Then the appropriate |
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132 encoding function for the chosen element is called. |
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133 */ |
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134 static void encode_csn1_choice_alternative (const ULONG e_ref, T_ENUM union_tag, |
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135 T_CCD_Globs *globs) |
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136 { |
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137 ULONG elem_ref, mcomp_ref; |
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138 UBYTE *act_structpos; |
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139 |
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140 mcomp_ref= melem[e_ref].elemRef; |
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141 |
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142 /* |
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143 * Calculate the elem_ref for the chosen element. |
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144 */ |
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145 elem_ref = mcomp[mcomp_ref].componentRef + (ULONG) union_tag; |
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146 |
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147 #ifdef DEBUG_CCD |
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148 #ifndef CCD_SYMBOLS |
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149 TRACE_CCD (globs, "encode_csn1_choice_alternative()"); |
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150 #else |
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151 TRACE_CCD (globs, "encode_csn1_choice_alternative() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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152 #endif |
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153 #endif |
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154 |
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155 /* |
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156 * Store the actual structure position. |
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157 */ |
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158 act_structpos = globs->pstruct; |
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159 globs->pstruct += (globs->pstructOffs + sizeof(T_ENUM)); |
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160 /* |
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161 * Use the jump-table for selecting the encode function |
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162 * Call the encode function for the chosen element. |
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163 */ |
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164 (void) codec[melem[elem_ref].codingType][ENCODE_FUN] |
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165 (mcomp_ref, elem_ref, globs); |
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166 /* |
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167 * Restore the write pointer to prepare decoding of the next element |
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168 */ |
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169 globs->pstruct = act_structpos; |
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170 } |
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171 #endif /* !RUN_INT_RAM */ |
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172 |
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173 |
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174 #ifndef RUN_INT_RAM/* |
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175 +-----------------------------------------------------------------------+ |
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176 | PROJECT : CCD (6144) MODULE : CCD | |
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177 | STATE : code ROUTINE : cdc_csn1_choice_x_decode | |
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178 +-----------------------------------------------------------------------+ |
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179 |
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180 PURPOSE : Decode CSN.1 CHOICE type |
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181 In the header file the structure containing an element of |
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182 coding type CSN1_CHOICE is represented by a structure |
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183 type declaration. |
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184 This structure type is composed at least of a control item |
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185 preceding an item of an union type. The control item |
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186 indicates the CHOICE index. The item of the union type |
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187 represents the CHOICE alternatives. |
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188 The CHOICE index is "num" bits long. It is read from the |
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189 message bit string and the result is written to the control |
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190 item. CCD determes "elemRef" depending on this control item |
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191 and processes the union element according to table entry |
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192 of "elemRef" . |
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193 */ |
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194 |
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195 SHORT cdc_csn1_choice_x_decode (const ULONG c_ref, const ULONG e_ref, |
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196 ULONG num, T_CCD_Globs *globs) |
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197 { |
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198 ULONG union_tag, num_of_alt, num_of_comps; |
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199 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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200 |
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201 #ifdef DEBUG_CCD |
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202 #ifndef CCD_SYMBOLS |
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203 TRACE_CCD (globs, "cdc_csn1_choice1_decode()"); |
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204 #else |
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205 TRACE_CCD (globs, "cdc_csn1_choice1_decode() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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206 #endif |
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207 #endif |
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208 |
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209 cix_ref = melem[e_ref].calcIdxRef; |
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210 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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211 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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212 |
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213 /* |
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214 * If this element is conditional, check the condition. |
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215 */ |
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216 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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217 AND ! ccd_conditionOK (e_ref, globs)) |
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218 return 1; |
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219 |
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220 /* |
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221 * If this element has a defined prologue |
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222 * we have to process it before decoding the bitstream. |
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223 */ |
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224 if (num_prolog_steps) |
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225 { |
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226 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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227 } |
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228 |
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229 globs->pstructOffs = melem[e_ref].structOffs; |
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230 |
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231 if (melem[e_ref].optional) |
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232 { |
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233 /* Postpone optional flag setting for non-code transparent |
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234 * pointer types ('P', 'Q', 'R'). |
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235 * For these types, the optional flag is the pointer itself. |
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236 * These types cannot be set yet, as the pointer may be |
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237 * preceeded by a counter octet, a union tag id octet etc. |
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238 */ |
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239 if (melem[e_ref].elemType < 'P' OR melem[e_ref].elemType > 'R') |
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240 globs->pstruct[globs->pstructOffs++] = (UBYTE) TRUE; |
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241 } |
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242 |
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243 /* |
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244 * Get the number of alternatives from the C-structure. |
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245 */ |
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246 num_of_comps = mcomp[melem[e_ref].elemRef].numOfComponents; |
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247 /* Determine number of possible alternatives */ |
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248 num_of_alt = num <<1; |
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249 |
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250 /* read the bit representing the CHOICE index*/ |
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251 union_tag = bf_getBits(num, globs); |
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252 |
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253 /* Check number of alternatives */ |
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254 if (!num_of_comps) |
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255 { |
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256 /* Don't do anything for empty choices */ |
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257 return 1; |
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258 } |
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259 else if (num_of_comps != num_of_alt) |
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260 { |
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261 /* if the number of components doesn't match to number of possible |
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262 * examine whether the CHOICE index demands an impossible alternative |
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263 */ |
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264 if (union_tag > num_of_comps) |
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265 { |
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266 /* if CHOICE index demands an impossible alternative |
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267 * return an error and break decoding |
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268 */ |
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269 ccd_recordFault (globs, ERR_CSN1_CHOICE, BREAK, (USHORT) e_ref, |
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270 globs->pstruct+globs->pstructOffs); |
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271 } |
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272 else |
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273 { |
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274 ccd_recordFault (globs, ERR_CSN1_CHOICE, CONTINUE, (USHORT) e_ref, |
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275 globs->pstruct+globs->pstructOffs); |
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276 } |
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277 } |
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278 |
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279 /* |
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280 * Decode a chosen alternative of an CSN.1 CHOICE type |
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281 */ |
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282 decode_csn1_choice_alternative(e_ref, (T_ENUM) union_tag, globs); |
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283 return 1; |
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284 } |
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285 #endif /* !RUN_INT_RAM */ |
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286 |
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287 |
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288 |
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289 #ifndef RUN_INT_RAM |
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290 |
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291 /* |
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292 +----------------------------------------------------------------------+ |
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293 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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294 | STATE : code ROUTINE : cdc_csn1_choice_x_encode | |
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295 +----------------------------------------------------------------------+ |
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296 |
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297 PURPOSE : Encoding of CHOICE1 type for UMTS |
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298 In the header file the structure containing an element of |
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299 coding type CSN1_CHOICE is represented by a structure |
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300 type declaration. |
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301 This structure type is composed at least of a control item |
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302 preceding an item of an union type. The control item |
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303 indicates the CHOICE index. The item of the union type |
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304 represents the CHOICE alternatives. |
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305 The CHOICE index is "num" bit long. Tts value is read |
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306 from the message structureand the result is written to the |
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307 bit string. CCD determines "elemRef" depending on this index |
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308 and processes the union element according to table entry |
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309 of "elemRef" . |
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310 */ |
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311 SHORT cdc_csn1_choice_x_encode (const ULONG c_ref, const ULONG e_ref, |
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312 ULONG num, T_CCD_Globs *globs) |
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313 { |
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314 ULONG union_tag, num_of_alt, num_of_comps; |
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315 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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316 |
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317 #ifdef DEBUG_CCD |
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318 #ifndef CCD_SYMBOLS |
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319 TRACE_CCD (globs, "cdc_csn1_choice_encode()"); |
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320 #else |
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321 TRACE_CCD (globs, "cdc_csn1_choice_encode() %s", |
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322 mcomp[melem[e_ref].elemRef].name); |
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323 #endif |
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324 #endif |
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325 |
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326 cix_ref = melem[e_ref].calcIdxRef; |
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327 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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328 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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329 |
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330 /* |
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331 * If this element is conditional, check the condition. |
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332 */ |
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333 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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334 AND ! ccd_conditionOK (e_ref, globs)) |
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335 return 1; |
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336 |
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337 /* |
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338 * If this element has a defined prologue |
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339 * we have to process it before decoding the bitstream. |
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parents:
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340 */ |
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341 if (num_prolog_steps) |
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parents:
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342 { |
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343 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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344 } |
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345 |
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346 /* |
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347 * Setup the offset into the C-structure for this element |
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parents:
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348 */ |
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349 globs->pstructOffs = melem[e_ref].structOffs; |
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350 |
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351 if (melem[e_ref].optional) |
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352 { |
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353 /* |
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354 * For optional elements check the valid-flag in the C-struct. |
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parents:
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355 * Postpone optional flag setting for non-code transparent |
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356 * pointer types ('P', 'Q', 'R'). |
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357 * For these types, the optional flag is the pointer itself. |
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358 * These types cannot be set yet, as the pointer may be |
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359 * preceeded by a counter octet, a union tag id octet etc. |
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parents:
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360 */ |
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361 if (melem[e_ref].elemType < 'P' OR melem[e_ref].elemType > 'R') |
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parents:
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362 { |
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363 if (globs->pstruct[globs->pstructOffs++] EQ FALSE) |
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364 return 1; |
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parents:
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365 } |
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parents:
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|
366 } |
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parents:
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367 /* |
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368 * Get the number of alternatives from the C-structure. |
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parents:
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369 */ |
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370 num_of_comps = mcomp[melem[e_ref].elemRef].numOfComponents; |
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371 /* Determine number of possible alternatives */ |
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372 num_of_alt = num <<1; |
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373 /* |
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374 * Get the value of CHOICE index (= union controller) from the C-structure. |
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375 * Check its correctness. Write it in the air message. |
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376 * Afterwards encode the chosen CHOICE altervative. |
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parents:
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377 */ |
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378 union_tag = (ULONG) globs->pstruct[globs->pstructOffs]; |
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|
379 /* |
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380 * Check its correctness. |
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|
381 */ |
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382 if (union_tag >= num_of_alt) |
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parents:
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|
383 { |
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parents:
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changeset
|
384 /* |
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parents:
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|
385 * CHOICE index goes beyond the number of alternatives determined by |
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|
386 * selected coding type => return Error and break encoding process |
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parents:
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|
387 */ |
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|
388 ccd_recordFault (globs, ERR_CSN1_CHOICE, BREAK, |
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|
389 (USHORT) e_ref, globs->pstruct+globs->pstructOffs); |
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parents:
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changeset
|
390 } |
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parents:
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changeset
|
391 |
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parents:
diff
changeset
|
392 /* |
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parents:
diff
changeset
|
393 * Write the CHOICE tag value in the C-structure. |
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parents:
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changeset
|
394 */ |
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|
395 bf_writeVal (union_tag, num, globs); |
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parents:
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changeset
|
396 |
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parents:
diff
changeset
|
397 /* Check number of alternatives */ |
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|
398 if (!num_of_comps) |
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parents:
diff
changeset
|
399 { |
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parents:
diff
changeset
|
400 /* Don't do anything for empty choices */ |
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parents:
diff
changeset
|
401 return 1; |
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parents:
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changeset
|
402 } |
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parents:
diff
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|
403 else if (num_of_comps != num_of_alt) |
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parents:
diff
changeset
|
404 { |
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parents:
diff
changeset
|
405 /* if the number of components doesn't match to number of possible |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 alternatives return a warning */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 ccd_recordFault (globs, ERR_CSN1_CHOICE, CONTINUE, |
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|
408 (USHORT) e_ref, globs->pstruct+globs->pstructOffs); |
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parents:
diff
changeset
|
409 if (union_tag > num_of_comps) |
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parents:
diff
changeset
|
410 { |
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parents:
diff
changeset
|
411 /* if the CHOICE index demands an impossible one handle this choice |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 as no_code element */ |
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parents:
diff
changeset
|
413 #ifdef DEBUG_CCD |
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parents:
diff
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|
414 #ifndef CCD_SYMBOLS |
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|
415 TRACE_CCD (globs, "cdc_No_encode()"); |
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parents:
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|
416 #else |
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|
417 TRACE_CCD (globs, "cdc_No_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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parents:
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|
418 #endif |
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parents:
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|
419 #endif |
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|
420 return 1; |
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parents:
diff
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|
421 } |
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parents:
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changeset
|
422 } |
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parents:
diff
changeset
|
423 |
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parents:
diff
changeset
|
424 /* |
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parents:
diff
changeset
|
425 * Encode a chosen alternative of an CSN.1 CHOICE type |
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parents:
diff
changeset
|
426 */ |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
427 encode_csn1_choice_alternative (e_ref, (T_ENUM) union_tag, globs); |
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parents:
diff
changeset
|
428 |
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parents:
diff
changeset
|
429 return 1; |
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parents:
diff
changeset
|
430 } |
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parents:
diff
changeset
|
431 #endif /* !RUN_INT_RAM */ |
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parents:
diff
changeset
|
432 |
c41a534f33c6
src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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