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annotate gsm-fw/ccd/s_padding.c @ 854:acc9e473e93f

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gsm-fw/g23m-aci/aci/ati_bas.c: +CGxx fix in preparation for enabling MokoFFS
author Space Falcon <falcon@ivan.Harhan.ORG>
date Thu, 30 Apr 2015 02:56:40 +0000
parents 970d6199f2c5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
648
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul : s_padding.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 S_PADDING elements
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18 +-----------------------------------------------------------------------------
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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 GLOBAL, 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_FLASH
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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_padd_decode |
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57 +--------------------------------------------------------------------+
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58
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59 PURPOSE : Decoding of the GSM Type CSN1 spare padding.
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60 This function does not evaluate the encoded bits, since
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61 their content is irrelevant.
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62 */
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63
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64 SHORT cdc_padd_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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65 {
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66 USHORT cixRef;
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67
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68 #ifdef DEBUG_CCD
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69 TRACE_CCD (globs, "cdc_padd_decode()");
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70 #endif
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71
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72 /*
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73 * Do not decode padding bits. They are not relevant.
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74 * Just adjust the position pointer in the bit stream buffer.
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75 * Either to the next octet boundary or to the message end, if necessary.
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76 */
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77 bf_incBitpos (8-(globs->bitpos & 7), globs);
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78
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79 /* First assume padding bits up to an octet boundary. In this case
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80 * message extension could be made of T, TV or TLV types.
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81 */
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82 globs->SeekTLVExt = TRUE;
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83
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84 cixRef = melem[e_ref].calcIdxRef;
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85 if (calcidx[cixRef].numPrologSteps > 0)
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86 {
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87 USHORT msgEnd = (USHORT) calc[calcidx[cixRef].prologStepRef].operand * 8;
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88 if (msgEnd)
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89 {
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90 msgEnd += globs->bitoffs;
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91 msgEnd = (USHORT)MINIMUM(globs->maxBitpos, msgEnd);
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92 bf_setBitpos (msgEnd, globs);
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93 /*
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94 * Padding bytes exclude the presence of message extension.
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95 */
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96 globs->SeekTLVExt = FALSE;
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97 }
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98 }
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99
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100 return 1;
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101 }
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102 #endif /* !RUN_FLASH */
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103
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104 #ifndef RUN_FLASH
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105 /*
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106 +--------------------------------------------------------------------+
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107 | PROJECT : CCD (6144) MODULE : CDC_GSM |
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108 | STATE : code ROUTINE : cdc_padd_encode |
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109 +--------------------------------------------------------------------+
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110
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111 PURPOSE : Encoding of the GSM Type CSN1 spare padding.
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112 Supported padding values are 0x00 and 0x2B, if first prolog
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113 step is a value msg_len, padding is done until globs->bitpos is
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114 msg_len*8, else until octet boundary
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115 */
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116
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117 SHORT cdc_padd_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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118 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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119 UBYTE padd_bit = 0;
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120 USHORT cixRef;
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121
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122 #ifdef DEBUG_CCD
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123 TRACE_CCD (globs, "cdc_padd_encode()");
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124 #endif
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125
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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126 cixRef = melem[e_ref].calcIdxRef;
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127
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128 /*
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129 * if this element is conditional, check the condition
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130 */
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131 if (calcidx[cixRef].numCondCalcs NEQ 0
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132 AND ! ccd_conditionOK (e_ref, globs))
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133 return 1;
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134
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135 if (melem[e_ref].elemType EQ 'S' AND spare[melem[e_ref].elemRef].bSize EQ 8)
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136 {
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137 UBYTE spareVal = (UBYTE)(spare[melem[e_ref].elemRef].value);
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138 /*
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139 * Element is a SPARE of length 8.
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140 */
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141 while (globs->bitpos % 8 NEQ 0)
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142 {
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143 switch(spareVal)
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144 {
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145 case 0:
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146 break;
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147 case 0x2B:
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148 padd_bit = (UBYTE)GET_HL(0);
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149 break;
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150 default:
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151 ccd_setError (globs, ERR_INTERNAL_ERROR,
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152 BREAK,
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153 (USHORT) (globs->bitpos),
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154 (USHORT) -1);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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155 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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156 bf_writeBit (padd_bit, globs);
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157 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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158 if (calcidx[cixRef].numPrologSteps > 0)
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159 {
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160 if (calc[calcidx[cixRef].prologStepRef].operation NEQ 'P')
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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161 ccd_setError (globs, ERR_INTERNAL_ERROR, BREAK, (USHORT) -1);
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162 else
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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163 {
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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164 USHORT msgLen = (USHORT)(calc[calcidx[cixRef].prologStepRef].operand * 8);
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165
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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166 while (globs->bitpos - globs->bitoffs < msgLen )
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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167 {
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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168 bf_codeLongNumber (8, (ULONG) spareVal, globs);
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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169 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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170 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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171 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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172 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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173 else
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 {
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175 ccd_setError (globs, ERR_INVALID_TYPE,
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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176 BREAK,
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
177 (USHORT) (globs->bitpos),
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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178 (USHORT) -1);
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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179 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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180
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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181 return 1;
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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182 }
970d6199f2c5 gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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183 #endif /* !RUN_FLASH */