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1 /* |
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2 * Copyright (c) 2008,2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Implementation of CEdidParserBase class. |
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16 * |
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17 */ |
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18 |
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19 #include "trace.h" |
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20 #include "edidparserbase.h" |
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21 #include "cea861edidparser.h" |
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22 #include "traceediddata.h" |
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23 |
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24 // --------------------------------------------------------------------------- |
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25 // CEdidParserBase::CEdidParserBase |
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26 // --------------------------------------------------------------------------- |
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27 // |
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28 CEdidParserBase::CEdidParserBase() : |
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29 iNumberOfExtensionBlocks( 0 ) |
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30 { |
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31 FUNC_LOG; |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // CEdidParserBase::ConstructL |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 void CEdidParserBase::ConstructL( const TDesC8& aBinaryData ) |
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39 { |
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40 FUNC_LOG; |
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41 |
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42 //Check if it is EDID data |
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43 if( !IsEdidData( aBinaryData ) ) |
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44 { |
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45 // Not EDID data |
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46 User::Leave( KErrNotSupported ); |
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47 } |
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48 |
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49 iRawData = HBufC8::NewL( aBinaryData.Length() ); |
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50 TPtr8 rawPtr = iRawData->Des(); |
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51 rawPtr.Copy( aBinaryData ); |
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52 |
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53 // Make a copy of base EDID data |
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54 Mem::Copy( &iBaseEdidData, rawPtr.Ptr(), KEdidParserSizeOfEdidBlock ); |
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55 |
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56 TRACE_EDID_DATA( *this ); |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // CEdidParserBase::NewL |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 EXPORT_C CEdidParserBase* CEdidParserBase::NewL( const TDesC8& aBinaryData ) |
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64 { |
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65 FUNC_LOG; |
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66 |
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67 CEdidParserBase* self = CEdidParserBase::NewLC( aBinaryData ); |
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68 CleanupStack::Pop( self ); |
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69 |
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70 return self; |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CEdidParserBase::NewLC |
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75 // --------------------------------------------------------------------------- |
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76 // |
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77 EXPORT_C CEdidParserBase* CEdidParserBase::NewLC( const TDesC8& aBinaryData ) |
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78 { |
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79 FUNC_LOG; |
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80 |
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81 CEdidParserBase* self = new ( ELeave ) CEdidParserBase(); |
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82 CleanupStack::PushL( self ); |
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83 self->ConstructL( aBinaryData ); |
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84 |
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85 return self; |
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86 } |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // CEdidParserBase::CEdidParserBase |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 CEdidParserBase::~CEdidParserBase() |
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93 { |
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94 FUNC_LOG; |
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95 |
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96 delete iRawData; |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // CEdidParserBase::IsEdidData |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C TBool CEdidParserBase::IsEdidData( const TDesC8& aBinaryData ) |
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104 { |
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105 FUNC_LOG; |
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106 INFO_1( "TBool CEdidParserBase::IsEdidData: aBinaryData length: %d", aBinaryData.Length() ); |
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107 |
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108 TBool edidData = EFalse; |
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109 |
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110 // Check the length |
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111 if( aBinaryData.Length() >= KEdidParserSizeOfEdidBlock ) |
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112 { |
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113 for( int ii = 0; ii < KEdidParserSizeOfEdidHeader; ii++ ) |
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114 { |
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115 if( aBinaryData[ii] != KBaseEdidHeader[ii] ) |
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116 { |
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117 // Not a valid EDID header |
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118 ERROR_1( KErrArgument, "TBool CEdidParserBase::IsEdidData: Not a valid EDID header: %d", ii ); |
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119 return EFalse; |
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120 } |
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121 } |
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122 edidData = ETrue; |
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123 } |
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124 |
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125 return edidData; |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // CEdidParserBase::GetManufacturerCode |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 EXPORT_C void CEdidParserBase::GetManufacturerCode( TDes& aCode ) |
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133 { |
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134 FUNC_LOG; |
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135 |
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136 if( aCode.Length() < KEdidParserManufacturerCodeLength ) |
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137 { |
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138 //return; |
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139 } |
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140 |
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141 TUint16 data = iBaseEdidData.iVendorProductInfo.iManufacturerCode; |
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142 |
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143 // Manufacturer codes are also called the ISA (Industry Standard Architecture) |
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144 // Plug and Play Device Identifier (PNPID). They are based on 5 bit compressed |
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145 // ASCII codes |
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146 // bits 14-10: first letter (01h='A', 02h='B',..) |
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147 // bits 9-5: second letter |
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148 // bits 4-0: third letter |
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149 |
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150 // Convert to big endian |
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151 data = ( ( data >> 8 ) & 0xff ) + ( ( data << 8 ) & 0xff00 ); |
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152 |
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153 // Get ASCII codes |
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154 TChar asciicode; |
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155 asciicode = ( ( data >> 10 ) & 0x1f ) + 'A' - 1; |
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156 aCode.Append( asciicode ); |
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157 asciicode = ( ( data >> 5 ) & 0x1f ) + 'A' - 1; |
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158 aCode.Append( asciicode ); |
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159 asciicode = ( data & 0x1f ) + 'A' - 1; |
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160 aCode.Append( asciicode ); |
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161 } |
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162 |
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163 // --------------------------------------------------------------------------- |
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164 // CEdidParserBase::GetProductId |
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165 // --------------------------------------------------------------------------- |
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166 // |
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167 EXPORT_C void CEdidParserBase::GetProductId( TDes& aCode ) |
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168 { |
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169 FUNC_LOG; |
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170 |
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171 aCode.AppendFormat( _L( "%04x" ), iBaseEdidData.iVendorProductInfo.iProductId ); |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // CEdidParserBase::GetManufactureWeek |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 EXPORT_C TUint8 CEdidParserBase::GetManufactureWeek() |
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179 { |
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180 FUNC_LOG; |
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181 |
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182 return iBaseEdidData.iVendorProductInfo.iWeek; |
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183 } |
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184 |
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185 // --------------------------------------------------------------------------- |
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186 // CEdidParserBase::GetManufactureYear |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 EXPORT_C TUint16 CEdidParserBase::GetManufactureYear() |
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190 { |
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191 FUNC_LOG; |
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192 |
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193 // Year of manufacture stored in EDID data is "Year of Manufacture - 1990" |
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194 return ( iBaseEdidData.iVendorProductInfo.iYear + KEdidBaseYear ); |
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195 } |
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196 |
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197 // --------------------------------------------------------------------------- |
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198 // CEdidParserBase::GetVersion |
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199 // --------------------------------------------------------------------------- |
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200 // |
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201 EXPORT_C TUint8 CEdidParserBase::GetVersion() |
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202 { |
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203 FUNC_LOG; |
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204 |
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205 return iBaseEdidData.iVersion; |
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206 } |
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207 |
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208 // --------------------------------------------------------------------------- |
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209 // CEdidParserBase::GetRevision |
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210 // --------------------------------------------------------------------------- |
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211 // |
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212 EXPORT_C TUint8 CEdidParserBase::GetRevision() |
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213 { |
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214 FUNC_LOG; |
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215 |
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216 return iBaseEdidData.iRevision; |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // CEdidParserBase::GetVideoInputDefinition |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 EXPORT_C TUint8 CEdidParserBase::GetVideoInputDefinition() |
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224 { |
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225 FUNC_LOG; |
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226 |
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227 // Analog if bit 7 is 0. Digital if bit 7 is 1 |
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228 return ( ( iBaseEdidData.iVideoInputDefinition & KBit7 ) == KBit7 ? 1 : 0 ); |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // CEdidParserBase::GetHorizontalScreenSize |
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233 // --------------------------------------------------------------------------- |
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234 // |
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235 EXPORT_C TUint8 CEdidParserBase::GetHorizontalScreenSize() |
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236 { |
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237 FUNC_LOG; |
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238 |
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239 return iBaseEdidData.iScreenSize.iHorizontal; |
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240 } |
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241 |
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242 // --------------------------------------------------------------------------- |
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243 // CEdidParserBase::GetVerticalScreenSize |
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244 // --------------------------------------------------------------------------- |
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245 // |
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246 EXPORT_C TUint8 CEdidParserBase::GetVerticalScreenSize() |
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247 { |
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248 FUNC_LOG; |
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249 |
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250 return iBaseEdidData.iScreenSize.iVertical; |
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251 } |
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252 |
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253 // --------------------------------------------------------------------------- |
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254 // CEdidParserBase::GetAspectRatioLandscape |
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255 // --------------------------------------------------------------------------- |
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256 // |
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257 EXPORT_C TUint8 CEdidParserBase::GetAspectRatioLandscape() |
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258 { |
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259 FUNC_LOG; |
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260 |
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261 // TEdidAspectRatio contains same values as TEdidScreenSize |
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262 // Horizontal = Landscape |
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263 return iBaseEdidData.iScreenSize.iHorizontal; |
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264 } |
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265 |
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266 |
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267 // --------------------------------------------------------------------------- |
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268 // CEdidParserBase::GetAspectRatioPortrait |
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269 // --------------------------------------------------------------------------- |
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270 // |
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271 EXPORT_C TUint8 CEdidParserBase::GetAspectRatioPortrait() |
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272 { |
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273 FUNC_LOG; |
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274 |
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275 // TEdidAspectRatio contains same values as TEdidScreenSize |
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276 // Vertical = Portrait |
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277 return iBaseEdidData.iScreenSize.iVertical; |
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278 } |
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279 |
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280 |
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281 // --------------------------------------------------------------------------- |
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282 // CEdidParserBase::IsAspectRationUsed |
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283 // --------------------------------------------------------------------------- |
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284 // |
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285 EXPORT_C TBool CEdidParserBase::IsAspectRatioUsed() |
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286 { |
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287 FUNC_LOG; |
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288 |
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289 // If byte 15h != 00h then byte 16h = Vertical Screen Size in cm. (Range is 1 cm -> 255 cm) |
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290 // If byte 15h == 00h then byte 16h = Aspect Ratio (Portrait) (Range is 0.28 : 1 AR -> 0.99 : 1 AR) |
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291 // |
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292 // If byte 16h != 00h then byte 15h = Horizontal Screen Size in cm. (Range is 1 cm -> 255 cm) |
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293 // If byte 16h == 00h then byte 15h = Aspect Ratio (Landscape) (Range is 1 : 1 AR -> 3.54 : 1 AR) |
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294 |
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295 if( ( iBaseEdidData.iScreenSize.iHorizontal == 0 ) |
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296 || ( iBaseEdidData.iScreenSize.iVertical == 0 ) ) |
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297 { |
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298 return ETrue; |
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299 } |
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300 |
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301 return EFalse; |
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302 } |
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303 |
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304 // --------------------------------------------------------------------------- |
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305 // CEdidParserBase::DisplayTransferCharacteristics |
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306 // --------------------------------------------------------------------------- |
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307 // |
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308 EXPORT_C TUint8 CEdidParserBase::DisplayTransferCharacteristics() |
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309 { |
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310 FUNC_LOG; |
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311 |
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312 // Stored Value = (GAMMA x 100) – 100 |
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313 return iBaseEdidData.iDisplayTransferCharasteristics; |
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314 } |
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315 |
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316 // --------------------------------------------------------------------------- |
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317 // CEdidParserBase::GetColorCoordinatesRedX |
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318 // --------------------------------------------------------------------------- |
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319 // |
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320 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesRedX() |
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321 { |
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322 FUNC_LOG; |
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323 |
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324 // Address 19h bits 7&6 are RedX bits 1&0 |
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325 // Address 1Bh = RedX bits 9 to 2 |
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326 TUint16 ret = iBaseEdidData.iColorCharasteristics[2]; //1Bh |
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327 ret = ret << 2; |
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328 TUint8 add = 0; |
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329 if( iBaseEdidData.iColorCharasteristics[0] & KBit7 ) |
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330 { |
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331 add++; |
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332 } |
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333 add = add << 1; |
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334 if( iBaseEdidData.iColorCharasteristics[0] & KBit6 ) |
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335 { |
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336 add++; |
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337 } |
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338 ret += add; |
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339 return ret; |
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340 } |
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341 |
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342 // --------------------------------------------------------------------------- |
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343 // CEdidParserBase::GetColorCoordinatesRedY |
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344 // --------------------------------------------------------------------------- |
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345 // |
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346 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesRedY() |
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347 { |
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348 FUNC_LOG; |
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349 |
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350 // Address 19h bits 5&4 are RedY bits 1&0 |
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351 // Address 1Ch = RedY bits 9 to 2 |
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352 TUint16 ret = iBaseEdidData.iColorCharasteristics[3]; //1Ch |
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353 ret = ret << 2; |
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354 TUint8 add = 0; |
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355 if( iBaseEdidData.iColorCharasteristics[0] & KBit5 ) |
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356 { |
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357 add++; |
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358 } |
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359 add = add << 1; |
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360 if( iBaseEdidData.iColorCharasteristics[0] & KBit4 ) |
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361 { |
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362 add++; |
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363 } |
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364 ret += add; |
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365 return ret; |
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366 } |
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367 |
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368 // --------------------------------------------------------------------------- |
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369 // CEdidParserBase::GetColorCoordinatesGreenX |
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370 // --------------------------------------------------------------------------- |
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371 // |
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372 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesGreenX() |
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373 { |
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374 FUNC_LOG; |
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375 |
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376 // Address 19h bits 3&2 are GreenX bits 1&0 |
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377 // Address 1Dh = GreenX bits 9 to 2 |
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378 TUint16 ret = iBaseEdidData.iColorCharasteristics[4]; //1Dh |
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379 ret = ret << 2; |
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380 TUint8 add = 0; |
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381 if( iBaseEdidData.iColorCharasteristics[0] & KBit3 ) |
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382 { |
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383 add++; |
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384 } |
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385 add = add << 1; |
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386 if( iBaseEdidData.iColorCharasteristics[0] & KBit2 ) |
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387 { |
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388 add++; |
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389 } |
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390 ret += add; |
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391 return ret; |
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392 } |
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393 |
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394 // --------------------------------------------------------------------------- |
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395 // CEdidParserBase::GetColorCoordinatesGreenY |
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396 // --------------------------------------------------------------------------- |
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397 // |
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398 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesGreenY() |
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399 { |
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400 FUNC_LOG; |
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401 |
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402 // Address 19h bits 1&0 are GreenY bits 1&0 |
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403 // Address 1Eh = GreenY bits 9 to 2 |
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404 TUint16 ret = iBaseEdidData.iColorCharasteristics[5]; //1Dh |
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405 ret = ret << 2; |
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406 TUint8 add = 0; |
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407 if( iBaseEdidData.iColorCharasteristics[0] & KBit1 ) |
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408 { |
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409 add++; |
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410 } |
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411 add = add << 1; |
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412 if( iBaseEdidData.iColorCharasteristics[0] & KBit0 ) |
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413 { |
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414 add++; |
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415 } |
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416 ret += add; |
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417 return ret; |
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418 } |
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419 |
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420 // --------------------------------------------------------------------------- |
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421 // CEdidParserBase::GetColorCoordinatesBlueX |
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422 // --------------------------------------------------------------------------- |
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423 // |
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424 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesBlueX() |
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425 { |
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426 FUNC_LOG; |
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427 |
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428 // Address 1Ah bits 7&6 are BlueX bits 1&0 |
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429 // Address 1Fh = BlueX bits 9 to 2 |
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430 TUint16 ret = iBaseEdidData.iColorCharasteristics[6]; //1Fh |
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431 ret = ret << 2; |
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432 TUint8 add = 0; |
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433 if( iBaseEdidData.iColorCharasteristics[1] & KBit7 ) |
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434 { |
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435 add++; |
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436 } |
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437 add = add << 1; |
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438 if( iBaseEdidData.iColorCharasteristics[1] & KBit6 ) |
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439 { |
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440 add++; |
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441 } |
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442 ret += add; |
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443 return ret; |
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444 } |
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445 |
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446 // --------------------------------------------------------------------------- |
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447 // CEdidParserBase::GetColorCoordinatesBlueY |
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448 // --------------------------------------------------------------------------- |
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449 // |
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450 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesBlueY() |
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451 { |
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452 FUNC_LOG; |
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453 |
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454 // Address 1Ah bits 5&4 are BlueY bits 1&0 |
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455 // Address 20h = BlueY bits 9 to 2 |
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456 TUint16 ret = iBaseEdidData.iColorCharasteristics[7]; //20h |
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457 ret = ret << 2; |
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458 TUint8 add = 0; |
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459 if( iBaseEdidData.iColorCharasteristics[1] & KBit5 ) |
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460 { |
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461 add++; |
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462 } |
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463 add = add << 1; |
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464 if( iBaseEdidData.iColorCharasteristics[1] & KBit4 ) |
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465 { |
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466 add++; |
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467 } |
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468 ret += add; |
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469 return ret; |
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470 } |
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471 |
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472 // --------------------------------------------------------------------------- |
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473 // CEdidParserBase::GetColorCoordinatesWhiteX |
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474 // --------------------------------------------------------------------------- |
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475 // |
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476 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesWhiteX() |
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477 { |
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478 FUNC_LOG; |
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479 |
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480 // Address 1Ah bits 3&2 are WhiteX bits 1&0 |
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481 // Address 21h = WhiteX bits 9 to 2 |
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482 TUint16 ret = iBaseEdidData.iColorCharasteristics[8]; //21h |
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483 ret = ret << 2; |
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484 TUint8 add = 0; |
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485 if( iBaseEdidData.iColorCharasteristics[1] & KBit3 ) |
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486 { |
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487 add++; |
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488 } |
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489 add = add << 1; |
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490 if( iBaseEdidData.iColorCharasteristics[1] & KBit2 ) |
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491 { |
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492 add++; |
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493 } |
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494 ret += add; |
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495 return ret; |
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496 } |
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497 |
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498 // --------------------------------------------------------------------------- |
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499 // CEdidParserBase::GetColorCoordinatesWhiteY |
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500 // --------------------------------------------------------------------------- |
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501 // |
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502 EXPORT_C TUint16 CEdidParserBase::GetColorCoordinatesWhiteY() |
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503 { |
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504 FUNC_LOG; |
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505 |
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506 // Address 1Ah bits 3&2 are WhiteX bits 1&0 |
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507 // Address 22h = WhiteX bits 9 to 2 |
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508 TUint16 ret = iBaseEdidData.iColorCharasteristics[9]; //22h |
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509 ret = ret << 2; |
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510 TUint8 add = 0; |
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511 if( iBaseEdidData.iColorCharasteristics[1] & KBit1 ) |
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512 { |
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513 add++; |
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514 } |
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515 add = add << 1; |
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516 if( iBaseEdidData.iColorCharasteristics[1] & KBit0 ) |
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517 { |
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518 add++; |
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519 } |
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520 ret += add; |
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521 return ret; |
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522 } |
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523 |
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524 // --------------------------------------------------------------------------- |
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525 // CEdidParserBase::GetEstablishedTimings1 |
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526 // --------------------------------------------------------------------------- |
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527 // |
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528 EXPORT_C TUint8 CEdidParserBase::GetEstablishedTimings1() |
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529 { |
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530 FUNC_LOG; |
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531 |
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532 //Bit - Established Timing I |
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533 // 7 720 x 400 @ 70Hz |
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534 // 6 720 x 400 @ 88Hz |
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535 // 5 640 x 480 @ 60Hz |
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536 // 4 640 x 480 @ 67Hz |
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537 // 3 640 x 480 @ 72Hz |
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538 // 2 640 x 480 @ 75Hz |
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539 // 1 800 x 600 @ 56Hz |
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540 // 0 800 x 600 @ 60Hz |
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541 return iBaseEdidData.iEstablishedTimings[0]; |
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542 } |
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543 |
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544 // --------------------------------------------------------------------------- |
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545 // CEdidParserBase::GetEstablishedTimings2 |
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546 // --------------------------------------------------------------------------- |
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547 // |
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548 EXPORT_C TUint8 CEdidParserBase::GetEstablishedTimings2() |
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549 { |
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550 FUNC_LOG; |
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551 |
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552 //Bit - Established Timing I |
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553 // 7 800 x 600 @ 72Hz |
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554 // 6 800 x 600 @ 75Hz |
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555 // 5 832 x 624 @ 75Hz |
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556 // 4 1024 x 768 @ 87Hz |
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557 // 3 1024 x 768 @ 60Hz |
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558 // 2 1024 x 768 @ 70Hz |
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559 // 1 1024 x 768 @ 75Hz |
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560 // 0 1280 x 1024 @ 75Hz |
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561 return iBaseEdidData.iEstablishedTimings[1]; |
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562 } |
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563 |
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564 // --------------------------------------------------------------------------- |
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565 // CEdidParserBase::GetManufacturerTimings |
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566 // --------------------------------------------------------------------------- |
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567 // |
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568 EXPORT_C TUint8 CEdidParserBase::GetManufacturerTimings() |
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569 { |
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570 FUNC_LOG; |
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571 |
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572 //Bit - Manufacturer Timing |
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573 // 7 1152 x 870 @ 75Hz |
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574 // 6-0 Reserved for Manufacturer Specified Timings |
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575 return iBaseEdidData.iEstablishedTimings[2]; |
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576 } |
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577 |
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578 // --------------------------------------------------------------------------- |
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579 // CEdidParserBase::GetManufacturerTimings |
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580 // --------------------------------------------------------------------------- |
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581 // |
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582 EXPORT_C TUint8 CEdidParserBase::GetStandardTimings( TInt aIndex ) |
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583 { |
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584 FUNC_LOG; |
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585 |
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586 TUint8 byte = 0; |
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587 if( aIndex >= 0 && aIndex < 15 ) |
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588 { |
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589 byte = iBaseEdidData.iStdTimingIdentifications[aIndex]; |
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590 } |
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591 |
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592 return byte; |
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593 } |
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594 |
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595 // ---------------------------------------------------------------------------- |
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596 // CBaseEdid::GetDescriptorBlock |
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597 // ---------------------------------------------------------------------------- |
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598 // |
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599 EXPORT_C TEdidDescriptorBlock CEdidParserBase::GetDescriptorBlock( TUint8 aDescriptorBlockNumber ) const |
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600 { |
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601 FUNC_LOG; |
|
602 |
|
603 TEdidDescriptorBlock descBlock; |
|
604 |
|
605 descBlock.iPixelClock = GetPixelClock( aDescriptorBlockNumber ); |
|
606 |
|
607 descBlock.iHorizontalAddressableVideoPixels |
|
608 = GetHorizontalAddressableVideo( aDescriptorBlockNumber ); |
|
609 |
|
610 descBlock.iHorizontalBlanking |
|
611 = GetHorizontalBlanking( aDescriptorBlockNumber ); |
|
612 |
|
613 descBlock.iVerticalAddressableVideoPixels |
|
614 = GetVerticalAddressableVideo( aDescriptorBlockNumber ); |
|
615 |
|
616 descBlock.iVerticalBlanking |
|
617 = GetVerticalBlanking( aDescriptorBlockNumber ); |
|
618 |
|
619 descBlock.iHorizontalFrontPorch |
|
620 = GetHorizontalFrontPorch( aDescriptorBlockNumber ); |
|
621 |
|
622 descBlock.iHorizontalSyncPulse |
|
623 = GetHorizontalSyncPulseWidth( aDescriptorBlockNumber ); |
|
624 |
|
625 descBlock.iVerticalFrontPorch |
|
626 = GetVerticalFrontPorch( aDescriptorBlockNumber ); |
|
627 |
|
628 descBlock.iVerticalSyncPulse |
|
629 = GetVerticalSyncPulseWidth( aDescriptorBlockNumber ); |
|
630 |
|
631 descBlock.iHorizontalAddressableImageSize |
|
632 = GetHorizontalAddressableImageSize( aDescriptorBlockNumber ); |
|
633 |
|
634 descBlock.iVerticalAddressableImageSize |
|
635 = GetVerticalAddressableImageSize( aDescriptorBlockNumber ); |
|
636 |
|
637 descBlock.iHorizontalBorder |
|
638 = GetHorizontalBorderSize( aDescriptorBlockNumber ); |
|
639 |
|
640 descBlock.iVerticalBorder = GetVerticalBorderSize( aDescriptorBlockNumber ); |
|
641 |
|
642 descBlock.iInterlacedVideo = GetVideoIsInterlaced( aDescriptorBlockNumber ); |
|
643 |
|
644 descBlock.iStereoSupport = GetStereoViewingSupport( aDescriptorBlockNumber ); |
|
645 |
|
646 descBlock.iSyncs = GetSyncSignalDefinitions( aDescriptorBlockNumber ); |
|
647 |
|
648 return descBlock; |
|
649 } |
|
650 |
|
651 // --------------------------------------------------------------------------- |
|
652 // CEdidParserBase::GetNumberOfExtensions |
|
653 // --------------------------------------------------------------------------- |
|
654 // |
|
655 EXPORT_C TUint8 CEdidParserBase::GetNumberOfExtensions() |
|
656 { |
|
657 FUNC_LOG; |
|
658 |
|
659 // If Block Maps are used then 254 is the maximum value of number of |
|
660 // extension blocks. If Block Maps are not used then 255 is the maximum |
|
661 // value of number of extension blocks |
|
662 return iBaseEdidData.iExtensionNumber; |
|
663 } |
|
664 |
|
665 // --------------------------------------------------------------------------- |
|
666 // CEdidParserBase::GetExtension |
|
667 // --------------------------------------------------------------------------- |
|
668 // |
|
669 EXPORT_C TInt CEdidParserBase::ReadExtension( TInt aNumber ) |
|
670 { |
|
671 FUNC_LOG; |
|
672 |
|
673 // |-----Base block-----|----Ext1----|---Ext2---|---.....| |
|
674 // ^ ^ |
|
675 // Extension numbers (1,2,..) |
|
676 TInt err = KErrNone; |
|
677 if( aNumber <= GetNumberOfExtensions() ) |
|
678 { |
|
679 // Make a copy of extension data. Call ReadExtensionL() with different |
|
680 // extension number to read other extension |
|
681 TPtr8 rawPtr = iRawData->Des(); |
|
682 Mem::Copy( &iExtensionData, rawPtr.Ptr() + ( aNumber |
|
683 * KEdidParserSizeOfEdidBlock ), KEdidParserSizeOfEdidBlock ); |
|
684 } |
|
685 else |
|
686 { |
|
687 // Invalid extension number. Return with KErrNotSupported |
|
688 err = KErrNotSupported; |
|
689 } |
|
690 |
|
691 return err; |
|
692 } |
|
693 |
|
694 // --------------------------------------------------------------------------- |
|
695 // CEdidParserBase::GetExtensionType |
|
696 // --------------------------------------------------------------------------- |
|
697 // |
|
698 EXPORT_C TEdidExtensionTagCode CEdidParserBase::GetExtensionType( TInt aNumber ) |
|
699 { |
|
700 FUNC_LOG; |
|
701 |
|
702 TEdidExtensionTagCode tag( EUnknownExt ); |
|
703 TInt err = ReadExtension( aNumber ); |
|
704 if( err == KErrNone ) |
|
705 { |
|
706 switch( iExtensionData[0] ) |
|
707 { |
|
708 case 0x02: |
|
709 tag = ECea861Ext; |
|
710 break; |
|
711 case 0x10: |
|
712 tag = EVTBExt; |
|
713 break; |
|
714 case 0x20: |
|
715 tag = EEDID20; |
|
716 break; |
|
717 case 0x40: |
|
718 tag = EDIExt; |
|
719 break; |
|
720 case 0x50: |
|
721 tag = ELSExt; |
|
722 break; |
|
723 case 0x60: |
|
724 tag = EDPVLExt; |
|
725 break; |
|
726 default: |
|
727 // tag is EUnknownExt |
|
728 break; |
|
729 } |
|
730 } |
|
731 |
|
732 return tag; |
|
733 } |
|
734 |
|
735 // --------------------------------------------------------------------------- |
|
736 // CEdidParserBase::CreateCea861ExtensionParserL |
|
737 // --------------------------------------------------------------------------- |
|
738 // |
|
739 EXPORT_C CCea861EdidParser* CEdidParserBase::CreateCea861ExtensionParserL( TInt aNumber ) |
|
740 { |
|
741 FUNC_LOG; |
|
742 |
|
743 CCea861EdidParser* parser = NULL; |
|
744 TInt ext = GetExtensionType( aNumber ); |
|
745 switch( ext ) |
|
746 { |
|
747 case ECea861Ext: |
|
748 { |
|
749 // CEA 861 extension |
|
750 parser = CCea861EdidParser::NewL( iExtensionData ); |
|
751 break; |
|
752 } |
|
753 default: |
|
754 { |
|
755 // Not supported |
|
756 break; |
|
757 } |
|
758 } |
|
759 |
|
760 // Extension is not supported. Return NULL |
|
761 return parser; |
|
762 } |
|
763 |
|
764 // --------------------------------------------------------------------------- |
|
765 // CEdidParserBase::GetChecksum |
|
766 // --------------------------------------------------------------------------- |
|
767 // |
|
768 EXPORT_C TUint8 CEdidParserBase::GetChecksum() |
|
769 { |
|
770 FUNC_LOG; |
|
771 |
|
772 // The Checksum Byte contains a value such that a checksum of the entire |
|
773 // 128 byte base EDID equals 00h |
|
774 return iBaseEdidData.iChecksum; |
|
775 } |
|
776 |
|
777 // ---------------------------------------------------------------------------- |
|
778 // CEdidParserBase::GetPixelClock |
|
779 // ---------------------------------------------------------------------------- |
|
780 // |
|
781 TUint16 CEdidParserBase::GetPixelClock( TUint8 aDataBlockNumber ) const |
|
782 { |
|
783 FUNC_LOG; |
|
784 |
|
785 // Stored Value = Pixel clock ÷ 10,000 |
|
786 // LSB stored in byte 0 and MSB stored in byte 1 |
|
787 // 0, 1 2 Range: 10 kHz to 655.35 MHz in 10 kHz steps |
|
788 // (00 00)h Reserved: Do not use for Detailed Timing Descriptor |
|
789 |
|
790 TUint16 word1; |
|
791 TUint16 word2; |
|
792 |
|
793 if( aDataBlockNumber == 1 ) |
|
794 { |
|
795 word1 = iBaseEdidData.iTimingDescriptor[0]; |
|
796 word2 = iBaseEdidData.iTimingDescriptor[1]; |
|
797 } |
|
798 else if( aDataBlockNumber == 2 ) |
|
799 { |
|
800 word1 = iBaseEdidData.iSecondTimingDescriptor[0]; |
|
801 word2 = iBaseEdidData.iSecondTimingDescriptor[1]; |
|
802 } |
|
803 else if( aDataBlockNumber == 3 ) |
|
804 { |
|
805 word1 = iBaseEdidData.iMonitorDescriptor[0]; |
|
806 word2 = iBaseEdidData.iMonitorDescriptor[1]; |
|
807 } |
|
808 else |
|
809 { |
|
810 //ERROR |
|
811 return 0; |
|
812 } |
|
813 |
|
814 // xxxx xxxx 1010 1010 |
|
815 TUint16 pixelClock = word2; |
|
816 // 1010 1010 xxxx xxxx shifted to left (MSB) |
|
817 pixelClock = pixelClock << 8; |
|
818 // 1010 1010 0101 0101 add the LSB |
|
819 pixelClock += word1; |
|
820 |
|
821 return pixelClock; |
|
822 } |
|
823 |
|
824 // ---------------------------------------------------------------------------- |
|
825 // CEdidParserBase::GetHorizontalAddressableVideo |
|
826 // ---------------------------------------------------------------------------- |
|
827 // |
|
828 TUint16 CEdidParserBase::GetHorizontalAddressableVideo( TUint8 aDataBlockNumber ) const |
|
829 { |
|
830 FUNC_LOG; |
|
831 |
|
832 TUint16 word1; |
|
833 TUint16 word2; |
|
834 |
|
835 if( aDataBlockNumber == 1 ) |
|
836 { |
|
837 word1 = iBaseEdidData.iTimingDescriptor[4]; |
|
838 word2 = iBaseEdidData.iTimingDescriptor[2]; |
|
839 } |
|
840 else if( aDataBlockNumber == 2 ) |
|
841 { |
|
842 word1 = iBaseEdidData.iSecondTimingDescriptor[4]; |
|
843 word2 = iBaseEdidData.iSecondTimingDescriptor[2]; |
|
844 } |
|
845 else if( aDataBlockNumber == 3 ) |
|
846 { |
|
847 word1 = iBaseEdidData.iMonitorDescriptor[4]; |
|
848 word2 = iBaseEdidData.iMonitorDescriptor[2]; |
|
849 } |
|
850 else |
|
851 { |
|
852 //ERROR |
|
853 return 0; |
|
854 } |
|
855 |
|
856 // 12bits long, defined in 8 bits of byte 2 and |
|
857 // upper nibble of byte 4 (4bits), range 0-4095 |
|
858 TUint16 horAddrVideo = 0; |
|
859 |
|
860 // Nullify the 4 lsb |
|
861 // ---- ---- xxxx yyyy >> 4 = ---- ---- ---- xxxx |
|
862 horAddrVideo = word1 >> 4; |
|
863 // return back to original position (4)+4 |
|
864 // ---- ---- ---- xxxx << 4 = ---- xxxx 0000 0000 |
|
865 horAddrVideo = horAddrVideo << ( 4 + 4 ); |
|
866 // ---- xxxx zzzz zzzz = correct values for the 12-bit-long var |
|
867 horAddrVideo += word2; |
|
868 |
|
869 return horAddrVideo; |
|
870 } |
|
871 |
|
872 // ---------------------------------------------------------------------------- |
|
873 // CBaseEdid::GetHorizontalBlanking |
|
874 // ---------------------------------------------------------------------------- |
|
875 // |
|
876 TUint16 CEdidParserBase::GetHorizontalBlanking( TUint8 aDataBlockNumber ) const |
|
877 { |
|
878 FUNC_LOG; |
|
879 |
|
880 TUint16 word1; |
|
881 TUint16 word2; |
|
882 |
|
883 if( aDataBlockNumber == 1 ) |
|
884 { |
|
885 word1 = iBaseEdidData.iTimingDescriptor[4]; |
|
886 word2 = iBaseEdidData.iTimingDescriptor[3]; |
|
887 } |
|
888 else if( aDataBlockNumber == 2 ) |
|
889 { |
|
890 word1 = iBaseEdidData.iSecondTimingDescriptor[4]; |
|
891 word2 = iBaseEdidData.iSecondTimingDescriptor[3]; |
|
892 } |
|
893 else if( aDataBlockNumber == 3 ) |
|
894 { |
|
895 word1 = iBaseEdidData.iMonitorDescriptor[4]; |
|
896 word2 = iBaseEdidData.iMonitorDescriptor[3]; |
|
897 } |
|
898 else |
|
899 { |
|
900 //ERROR |
|
901 return 0; |
|
902 } |
|
903 |
|
904 TUint16 horBlanking = 0; |
|
905 |
|
906 // nullify the 4 msb |
|
907 // ---- ---- xxxx yyyy << 12 = yyyy ---- ---- ---- |
|
908 horBlanking = word1 << 12; |
|
909 // nullify the 4 msb |
|
910 // yyyy ---- ---- ---- >> 4 = ---- yyyy ---- ---- |
|
911 horBlanking = horBlanking >> 4; |
|
912 // ---- yyyy zzzz zzzz = correct values for the 12-bit-long var |
|
913 horBlanking += word2; |
|
914 |
|
915 return horBlanking; |
|
916 } |
|
917 |
|
918 // ---------------------------------------------------------------------------- |
|
919 // CBaseEdid::GetVerticalAddressableVideo |
|
920 // ---------------------------------------------------------------------------- |
|
921 // |
|
922 TUint16 CEdidParserBase::GetVerticalAddressableVideo( TUint8 aDataBlockNumber ) const |
|
923 { |
|
924 FUNC_LOG; |
|
925 |
|
926 TUint16 word1; |
|
927 TUint16 word2; |
|
928 |
|
929 if( aDataBlockNumber == 1 ) |
|
930 { |
|
931 word1 = iBaseEdidData.iTimingDescriptor[7]; |
|
932 word2 = iBaseEdidData.iTimingDescriptor[5]; |
|
933 } |
|
934 else if( aDataBlockNumber == 2 ) |
|
935 { |
|
936 word1 = iBaseEdidData.iSecondTimingDescriptor[7]; |
|
937 word2 = iBaseEdidData.iSecondTimingDescriptor[5]; |
|
938 } |
|
939 else if( aDataBlockNumber == 3 ) |
|
940 { |
|
941 word1 = iBaseEdidData.iMonitorDescriptor[7]; |
|
942 word2 = iBaseEdidData.iMonitorDescriptor[5]; |
|
943 } |
|
944 else |
|
945 { |
|
946 //ERROR |
|
947 return 0; |
|
948 } |
|
949 |
|
950 //Upper nibble of byte 7 and the 8 bits of byte 5) |
|
951 //Range is 0 lines to 4095 lines |
|
952 TUint16 vertAddrVideo = 0; |
|
953 vertAddrVideo = word1 >> 4; |
|
954 vertAddrVideo = vertAddrVideo << ( 4 + 4 ); |
|
955 vertAddrVideo += word2; |
|
956 |
|
957 return vertAddrVideo; |
|
958 } |
|
959 |
|
960 // ---------------------------------------------------------------------------- |
|
961 // CBaseEdid::GetVerticalBlanking |
|
962 // ---------------------------------------------------------------------------- |
|
963 // |
|
964 TUint16 CEdidParserBase::GetVerticalBlanking( TUint8 aDataBlockNumber ) const |
|
965 { |
|
966 FUNC_LOG; |
|
967 |
|
968 TUint16 word1; |
|
969 TUint16 word2; |
|
970 |
|
971 if( aDataBlockNumber == 1 ) |
|
972 { |
|
973 word1 = iBaseEdidData.iTimingDescriptor[7]; |
|
974 word2 = iBaseEdidData.iTimingDescriptor[6]; |
|
975 } |
|
976 else if( aDataBlockNumber == 2 ) |
|
977 { |
|
978 word1 = iBaseEdidData.iSecondTimingDescriptor[7]; |
|
979 word2 = iBaseEdidData.iSecondTimingDescriptor[6]; |
|
980 } |
|
981 else if( aDataBlockNumber == 3 ) |
|
982 { |
|
983 word1 = iBaseEdidData.iMonitorDescriptor[7]; |
|
984 word2 = iBaseEdidData.iMonitorDescriptor[6]; |
|
985 } |
|
986 else |
|
987 { |
|
988 //ERROR |
|
989 return 0; |
|
990 } |
|
991 |
|
992 // 12bits long, defined in 8 bits of byte 2 and |
|
993 // upper nibble of byte 4 (4bits), range 0-4095 |
|
994 TUint16 vertBlanking = 0; |
|
995 |
|
996 // nullify the 4 msb |
|
997 // ---- ---- xxxx yyyy << 12 = yyyy ---- ---- ---- |
|
998 vertBlanking = word1 << 12; |
|
999 // nullify the 4 msb |
|
1000 // yyyy ---- ---- ---- >> 4 = 0000 yyyy ---- ---- |
|
1001 vertBlanking = vertBlanking >> 4; |
|
1002 // ---- yyyy zzzz zzzz = correct values for the 12-bit-long var |
|
1003 vertBlanking += word2; |
|
1004 |
|
1005 return vertBlanking; |
|
1006 } |
|
1007 |
|
1008 // ---------------------------------------------------------------------------- |
|
1009 // CBaseEdid::GetHorizontalFrontPorch |
|
1010 // ---------------------------------------------------------------------------- |
|
1011 // |
|
1012 TUint16 CEdidParserBase::GetHorizontalFrontPorch( TUint8 aDataBlockNumber ) const |
|
1013 { |
|
1014 FUNC_LOG; |
|
1015 |
|
1016 TUint16 word1; |
|
1017 TUint16 word2; |
|
1018 |
|
1019 if( aDataBlockNumber == 1 ) |
|
1020 { |
|
1021 word1 = iBaseEdidData.iTimingDescriptor[6]; |
|
1022 word2 = iBaseEdidData.iTimingDescriptor[8]; |
|
1023 } |
|
1024 else if( aDataBlockNumber == 2 ) |
|
1025 { |
|
1026 word1 = iBaseEdidData.iSecondTimingDescriptor[6]; |
|
1027 word2 = iBaseEdidData.iSecondTimingDescriptor[8]; |
|
1028 } |
|
1029 else if( aDataBlockNumber == 3 ) |
|
1030 { |
|
1031 word1 = iBaseEdidData.iMonitorDescriptor[6]; |
|
1032 word2 = iBaseEdidData.iMonitorDescriptor[8]; |
|
1033 } |
|
1034 else |
|
1035 { |
|
1036 //ERROR |
|
1037 return 0; |
|
1038 } |
|
1039 |
|
1040 // Horizontal Front Porch in Pixels (from blanking start to start of sync) |
|
1041 // is represented by a 10 bit number (Bits 7 & 6 of byte 11 and the 8 bits of byte 8) |
|
1042 // Range is 0 pixels to 1023 pixels. |
|
1043 |
|
1044 TUint16 horFrontPorch = 0; |
|
1045 |
|
1046 TUint8 bit67 = word1; |
|
1047 // bits 6 and 7 remain |
|
1048 bit67 = ( bit67 & KBit7 ) | ( bit67 & KBit6 ); |
|
1049 |
|
1050 horFrontPorch = bit67 << 2; |
|
1051 horFrontPorch += word2; |
|
1052 |
|
1053 return horFrontPorch; |
|
1054 } |
|
1055 |
|
1056 // ---------------------------------------------------------------------------- |
|
1057 // CEdidParserBase::GetHorizontalSyncPulseWidth |
|
1058 // ---------------------------------------------------------------------------- |
|
1059 // |
|
1060 TUint16 CEdidParserBase::GetHorizontalSyncPulseWidth( TUint8 aDataBlockNumber ) const |
|
1061 { |
|
1062 FUNC_LOG; |
|
1063 |
|
1064 //Horizontal Sync Pulse Width in Pixels (from the end of the front porch to the start of the back |
|
1065 //porch) is represented by a 10 bit number (Bits 5 & 4 of byte 11 and the 8 bits of byte 9) - Range |
|
1066 //is 0 pixels to 1023 pixels. |
|
1067 |
|
1068 TUint8 word1; |
|
1069 TUint8 word2; |
|
1070 |
|
1071 if( aDataBlockNumber == 1 ) |
|
1072 { |
|
1073 word1 = iBaseEdidData.iTimingDescriptor[11]; |
|
1074 word2 = iBaseEdidData.iTimingDescriptor[9]; |
|
1075 } |
|
1076 else if( aDataBlockNumber == 2 ) |
|
1077 { |
|
1078 word1 = iBaseEdidData.iSecondTimingDescriptor[11]; |
|
1079 word2 = iBaseEdidData.iSecondTimingDescriptor[9]; |
|
1080 } |
|
1081 else if( aDataBlockNumber == 3 ) |
|
1082 { |
|
1083 word1 = iBaseEdidData.iMonitorDescriptor[11]; |
|
1084 word2 = iBaseEdidData.iMonitorDescriptor[9]; |
|
1085 } |
|
1086 else |
|
1087 { |
|
1088 //ERROR |
|
1089 return 0; |
|
1090 } |
|
1091 |
|
1092 TUint16 horSyncPulseWidth = word1; |
|
1093 |
|
1094 // only bits 5 and 4 remain: xx00 xxxx |
|
1095 horSyncPulseWidth = ( horSyncPulseWidth & KBit5 ) | ( horSyncPulseWidth |
|
1096 & KBit4 ); |
|
1097 |
|
1098 // xx00 xxxx -> xx00 xxxx xxxx |
|
1099 horSyncPulseWidth = horSyncPulseWidth << 4; |
|
1100 |
|
1101 // xx00 xxxx xxxx -> 00 0000 0000 |
|
1102 horSyncPulseWidth += word2; |
|
1103 |
|
1104 return horSyncPulseWidth; |
|
1105 } |
|
1106 |
|
1107 // ---------------------------------------------------------------------------- |
|
1108 // CEdidParserBase::GetVerticalFrontPorch |
|
1109 // ---------------------------------------------------------------------------- |
|
1110 // |
|
1111 TUint16 CEdidParserBase::GetVerticalFrontPorch( TUint8 aDataBlockNumber ) const |
|
1112 { |
|
1113 FUNC_LOG; |
|
1114 |
|
1115 // Vertical Front Porch in Lines (from blanking start to start of sync) is represented by a 6 bit |
|
1116 // number (Bits 3 & 2 of byte 11 and the upper nibble of byte 10) - Range is 0 lines to 63 lines. |
|
1117 |
|
1118 TUint16 word1; |
|
1119 TUint16 word2; |
|
1120 |
|
1121 if( aDataBlockNumber == 1 ) |
|
1122 { |
|
1123 word1 = iBaseEdidData.iTimingDescriptor[11]; |
|
1124 word2 = iBaseEdidData.iTimingDescriptor[10]; |
|
1125 } |
|
1126 else if( aDataBlockNumber == 2 ) |
|
1127 { |
|
1128 word1 = iBaseEdidData.iSecondTimingDescriptor[11]; |
|
1129 word2 = iBaseEdidData.iSecondTimingDescriptor[10]; |
|
1130 } |
|
1131 else if( aDataBlockNumber == 3 ) |
|
1132 { |
|
1133 word1 = iBaseEdidData.iMonitorDescriptor[11]; |
|
1134 word2 = iBaseEdidData.iMonitorDescriptor[10]; |
|
1135 } |
|
1136 else |
|
1137 { |
|
1138 //ERROR |
|
1139 return 0; |
|
1140 } |
|
1141 |
|
1142 TUint16 vertFrontPorch = 0; |
|
1143 TUint8 bit23 = word1; |
|
1144 |
|
1145 // bits 2 and 3 remain 0000 xx00 |
|
1146 bit23 = ( bit23 & KBit3 ) | ( bit23 & KBit2 ); |
|
1147 |
|
1148 // 00xx 0000 |
|
1149 vertFrontPorch = bit23 << 2; |
|
1150 |
|
1151 // only the upper nibble |
|
1152 // 00xx yyyy |
|
1153 vertFrontPorch += ( word2 >> 4 ); |
|
1154 |
|
1155 return vertFrontPorch; |
|
1156 } |
|
1157 |
|
1158 // ---------------------------------------------------------------------------- |
|
1159 // CEdidParserBase::GetVerticalSyncPulseWidth |
|
1160 // ---------------------------------------------------------------------------- |
|
1161 // |
|
1162 TUint8 CEdidParserBase::GetVerticalSyncPulseWidth( TUint8 aDataBlockNumber ) const |
|
1163 { |
|
1164 FUNC_LOG; |
|
1165 |
|
1166 // Vertical Sync Pulse Width in Lines (from the end of the front porch to the start of the back |
|
1167 // porch) is represented by a 6 bit number (Bits 1 & 0 of byte 11 and the lower nibble of byte 10 - |
|
1168 // Range is 0 lines to 63 lines. |
|
1169 |
|
1170 TUint8 word1; |
|
1171 TUint8 word2; |
|
1172 |
|
1173 if( aDataBlockNumber == 1 ) |
|
1174 { |
|
1175 word1 = iBaseEdidData.iTimingDescriptor[10]; |
|
1176 word2 = iBaseEdidData.iTimingDescriptor[11]; |
|
1177 } |
|
1178 else if( aDataBlockNumber == 2 ) |
|
1179 { |
|
1180 word1 = iBaseEdidData.iSecondTimingDescriptor[10]; |
|
1181 word2 = iBaseEdidData.iSecondTimingDescriptor[11]; |
|
1182 } |
|
1183 else if( aDataBlockNumber == 3 ) |
|
1184 { |
|
1185 word1 = iBaseEdidData.iMonitorDescriptor[10]; |
|
1186 word2 = iBaseEdidData.iMonitorDescriptor[11]; |
|
1187 } |
|
1188 else |
|
1189 { |
|
1190 //ERROR |
|
1191 return 0; |
|
1192 } |
|
1193 |
|
1194 // Vertical Sync Pulse Width in Lines (from the end of the front porch to the start of the back |
|
1195 // porch) is represented by a 6 bit number (Bits 1 & 0 of byte 11 and the lower nibble of byte 10 - |
|
1196 // Range is 0 lines to 63 lines. |
|
1197 TUint8 vertSyncPulse = 0; |
|
1198 |
|
1199 // bits 1 and 0 remain 0000 00xx |
|
1200 word2 = ( word2 & KBit1 ) | ( word2 & KBit0 ); |
|
1201 |
|
1202 // 00xx 0000 |
|
1203 vertSyncPulse = word2 << 4; |
|
1204 // only the lower nibble, %16 removes the upper nibble |
|
1205 word1 = word1 % 16; |
|
1206 // 00xx yyyy |
|
1207 vertSyncPulse += word1; |
|
1208 |
|
1209 return vertSyncPulse; |
|
1210 } |
|
1211 |
|
1212 // ---------------------------------------------------------------------------- |
|
1213 // CEdidParserBase::GetHorizontalAddressableImageSize |
|
1214 // ---------------------------------------------------------------------------- |
|
1215 // |
|
1216 TUint16 CEdidParserBase::GetHorizontalAddressableImageSize( TUint8 aDataBlockNumber ) const |
|
1217 { |
|
1218 FUNC_LOG; |
|
1219 |
|
1220 TUint16 word1; |
|
1221 TUint16 word2; |
|
1222 |
|
1223 if( aDataBlockNumber == 1 ) |
|
1224 { |
|
1225 word1 = iBaseEdidData.iTimingDescriptor[14]; |
|
1226 word2 = iBaseEdidData.iTimingDescriptor[12]; |
|
1227 } |
|
1228 else if( aDataBlockNumber == 2 ) |
|
1229 { |
|
1230 word1 = iBaseEdidData.iSecondTimingDescriptor[14]; |
|
1231 word2 = iBaseEdidData.iSecondTimingDescriptor[12]; |
|
1232 } |
|
1233 else if( aDataBlockNumber == 3 ) |
|
1234 { |
|
1235 word1 = iBaseEdidData.iMonitorDescriptor[14]; |
|
1236 word2 = iBaseEdidData.iMonitorDescriptor[12]; |
|
1237 } |
|
1238 else |
|
1239 { |
|
1240 //ERROR |
|
1241 return 0; |
|
1242 } |
|
1243 |
|
1244 //Horizontal Addressable Video Image Size in mm is represented by a 12 bit number (Upper |
|
1245 //nibble of byte 14 and the 8 bits of byte 12) - Range is 0 mm to 4095 mm. |
|
1246 |
|
1247 TUint16 hais = word1 >> 4; // first nullify 4 lsb |
|
1248 hais = hais << ( 4 + 4 ); // and then move back the first 4 and then again 4 |
|
1249 hais += word2; |
|
1250 |
|
1251 return hais; |
|
1252 } |
|
1253 |
|
1254 // ---------------------------------------------------------------------------- |
|
1255 // CEdidParserBase::GetVerticalAddressableImageSize |
|
1256 // ---------------------------------------------------------------------------- |
|
1257 // |
|
1258 TUint16 CEdidParserBase::GetVerticalAddressableImageSize( TUint8 aDataBlockNumber ) const |
|
1259 { |
|
1260 FUNC_LOG; |
|
1261 |
|
1262 TUint16 word1; |
|
1263 TUint16 word2; |
|
1264 |
|
1265 if( aDataBlockNumber == 1 ) |
|
1266 { |
|
1267 word1 = iBaseEdidData.iTimingDescriptor[14]; |
|
1268 word2 = iBaseEdidData.iTimingDescriptor[13]; |
|
1269 } |
|
1270 else if( aDataBlockNumber == 2 ) |
|
1271 { |
|
1272 word1 = iBaseEdidData.iSecondTimingDescriptor[14]; |
|
1273 word2 = iBaseEdidData.iSecondTimingDescriptor[13]; |
|
1274 } |
|
1275 else if( aDataBlockNumber == 3 ) |
|
1276 { |
|
1277 word1 = iBaseEdidData.iMonitorDescriptor[14]; |
|
1278 word2 = iBaseEdidData.iMonitorDescriptor[13]; |
|
1279 } |
|
1280 else |
|
1281 { |
|
1282 //ERROR |
|
1283 return 0; |
|
1284 } |
|
1285 |
|
1286 //Vertical Addressable Video Image Size in mm is represented by a 12 bit number (Lower nibble |
|
1287 //of byte 14 and the 8 bits of byte 13) - Range is 0 mm to 4095 mm. |
|
1288 |
|
1289 TUint16 vais = word1; |
|
1290 vais = vais << 12; // first nullify 4 msb and then move back 1 nibble |
|
1291 vais = vais >> 4; |
|
1292 vais += word2; |
|
1293 |
|
1294 return vais; |
|
1295 } |
|
1296 |
|
1297 // ---------------------------------------------------------------------------- |
|
1298 // CEdidParserBase::GetHorizontalBorderSize |
|
1299 // ---------------------------------------------------------------------------- |
|
1300 // |
|
1301 TUint8 CEdidParserBase::GetHorizontalBorderSize( TUint8 aDataBlockNumber ) const |
|
1302 { |
|
1303 FUNC_LOG; |
|
1304 |
|
1305 TUint16 word1; |
|
1306 |
|
1307 if( aDataBlockNumber == 1 ) |
|
1308 { |
|
1309 word1 = iBaseEdidData.iTimingDescriptor[15]; |
|
1310 } |
|
1311 else if( aDataBlockNumber == 2 ) |
|
1312 { |
|
1313 word1 = iBaseEdidData.iSecondTimingDescriptor[15]; |
|
1314 } |
|
1315 else if( aDataBlockNumber == 3 ) |
|
1316 { |
|
1317 word1 = iBaseEdidData.iMonitorDescriptor[15]; |
|
1318 } |
|
1319 else |
|
1320 { |
|
1321 //ERROR |
|
1322 return 0; |
|
1323 } |
|
1324 |
|
1325 //Right Horizontal Border or Left Horizontal Border in Pixels is represented by |
|
1326 // an 8 bit number (the 8 bits of byte 15) - Range is 0 pixels to 255 pixels. |
|
1327 |
|
1328 // the same value is used for (left and right) / (top and bottom) |
|
1329 return word1; |
|
1330 } |
|
1331 |
|
1332 // ---------------------------------------------------------------------------- |
|
1333 // CEdidParserBase::GetVerticalBorderSize |
|
1334 // ---------------------------------------------------------------------------- |
|
1335 // |
|
1336 TUint8 CEdidParserBase::GetVerticalBorderSize( TUint8 aDataBlockNumber ) const |
|
1337 { |
|
1338 FUNC_LOG; |
|
1339 |
|
1340 TUint16 word1; |
|
1341 |
|
1342 if( aDataBlockNumber == 1 ) |
|
1343 { |
|
1344 word1 = iBaseEdidData.iTimingDescriptor[16]; |
|
1345 } |
|
1346 else if( aDataBlockNumber == 2 ) |
|
1347 { |
|
1348 word1 = iBaseEdidData.iSecondTimingDescriptor[16]; |
|
1349 } |
|
1350 else if( aDataBlockNumber == 3 ) |
|
1351 { |
|
1352 word1 = iBaseEdidData.iMonitorDescriptor[16]; |
|
1353 } |
|
1354 else |
|
1355 { |
|
1356 //ERROR |
|
1357 return 0; |
|
1358 } |
|
1359 |
|
1360 //Top Vertical Border or Bottom Vertical Border in Lines is represented by an 8 bit number (the |
|
1361 //8 bits of byte 16) - Range is 0 lines to 255 lines. |
|
1362 return word1; |
|
1363 } |
|
1364 |
|
1365 // ---------------------------------------------------------------------------- |
|
1366 // CEdidParserBase::GetVideoIsInterlaced |
|
1367 // ---------------------------------------------------------------------------- |
|
1368 // |
|
1369 TBool CEdidParserBase::GetVideoIsInterlaced( TUint8 aDataBlockNumber ) const |
|
1370 { |
|
1371 FUNC_LOG; |
|
1372 |
|
1373 TUint16 word1; |
|
1374 if( aDataBlockNumber == 1 ) |
|
1375 { |
|
1376 word1 = iBaseEdidData.iTimingDescriptor[17]; |
|
1377 } |
|
1378 else if( aDataBlockNumber == 2 ) |
|
1379 { |
|
1380 word1 = iBaseEdidData.iSecondTimingDescriptor[17]; |
|
1381 } |
|
1382 else if( aDataBlockNumber == 3 ) |
|
1383 { |
|
1384 word1 = iBaseEdidData.iMonitorDescriptor[17]; |
|
1385 } |
|
1386 else |
|
1387 { |
|
1388 //ERROR |
|
1389 return EFalse; |
|
1390 } |
|
1391 |
|
1392 // byte 17 |
|
1393 // Bytes Bit Definitions Detailed Timing Definitions |
|
1394 // 7 6 5 4 3 2 1 0 Signal Interface Type: |
|
1395 // 0 _ _ _ _ _ _ _ Non-Interlaced (1 frame = 1 field) |
|
1396 // 1 _ _ _ _ _ _ _ Interlaced (1 frame = 2 fields) |
|
1397 |
|
1398 return KBit7 & word1; |
|
1399 } |
|
1400 |
|
1401 // ---------------------------------------------------------------------------- |
|
1402 // CBaseEdid::GetStereoViewingSupport |
|
1403 // ---------------------------------------------------------------------------- |
|
1404 // |
|
1405 TEdidStereoViewingSupport CEdidParserBase::GetStereoViewingSupport( TUint8 aDataBlockNumber ) const |
|
1406 { |
|
1407 FUNC_LOG; |
|
1408 |
|
1409 TUint16 word1; |
|
1410 |
|
1411 if( aDataBlockNumber == 1 ) |
|
1412 { |
|
1413 word1 = iBaseEdidData.iTimingDescriptor[17]; |
|
1414 } |
|
1415 else if( aDataBlockNumber == 2 ) |
|
1416 { |
|
1417 word1 = iBaseEdidData.iSecondTimingDescriptor[17]; |
|
1418 } |
|
1419 else if( aDataBlockNumber == 3 ) |
|
1420 { |
|
1421 word1 = iBaseEdidData.iMonitorDescriptor[17]; |
|
1422 } |
|
1423 else |
|
1424 { |
|
1425 //ERROR |
|
1426 return EUnknownStereoViewingSupport; |
|
1427 } |
|
1428 |
|
1429 //Bytes Bit Definitions Detailed Timing Definitions |
|
1430 //_ 6 5 _ _ _ _ 0 Stereo Viewing Support: |
|
1431 // 0 0 _ _ _ _ x Normal Display – No Stereo. The value of bit 0 is "don't care" |
|
1432 // 0 1 _ _ _ _ 0 Field sequential stereo, right image when stereo sync signal = 1 |
|
1433 // 1 0 _ _ _ _ 0 Field sequential stereo, left image when stereo sync signal = 1 |
|
1434 // 0 1 _ _ _ _ 1 2-way interleaved stereo, right image on even lines |
|
1435 // 1 0 _ _ _ _ 1 2-way interleaved stereo, left image on even lines |
|
1436 // 1 1 _ _ _ _ 0 4-way interleaved stereo |
|
1437 // 1 1 _ _ _ _ 1 Side-by-Side interleaved stereo |
|
1438 TUint8 bit17 = word1; |
|
1439 if( !( ( KBit6 & bit17 ) | ( KBit5 & bit17 ) ) ) // 0 0 _ _ _ _ x Normal Display – No Stereo. |
|
1440 { // The value of bit 0 is "don't care" |
|
1441 return ENormalDisplay; |
|
1442 } |
|
1443 else if( !( KBit6 & bit17 ) && ( KBit5 & bit17 ) && !( KBit0 & bit17 ) ) // 0 1 _ _ _ _ 0 Field sequential stereo, |
|
1444 { // right image when stereo sync signal=1 |
|
1445 return EFieldSequentialStereoRightWhenStereoSyncSignal1; |
|
1446 } |
|
1447 else if( ( KBit6 & bit17 ) && !( KBit5 & bit17 ) && !( KBit0 & bit17 ) ) // 1 0 _ _ _ _ 0 Field sequential stereo, |
|
1448 { // left image when stereo sync signal=1 |
|
1449 return EFieldSequentialStereoLeftWhenStereoSyncSignal1; |
|
1450 } |
|
1451 else if( !( KBit6 & bit17 ) && ( KBit5 & bit17 ) && ( KBit0 & bit17 ) ) // 0 1 _ _ _ _ 1 2-way interleaved stereo, |
|
1452 { // right image on even lines |
|
1453 return ETwoWayInterleavedStereoRightImageOnEvenLines; |
|
1454 } |
|
1455 else if( ( KBit6 & bit17 ) && !( KBit5 & bit17 ) && ( KBit0 & bit17 ) ) // 1 0 _ _ _ _ 1 2-way interleaved stereo, |
|
1456 { // left image on even lines |
|
1457 return ETwoWayInterleavedStereoLeftImageOnEvenLines; |
|
1458 } |
|
1459 else if( ( KBit6 & bit17 ) && ( KBit5 & bit17 ) && !( KBit0 & bit17 ) ) // 1 1 _ _ _ _ 0 4-way interleaved stereo |
|
1460 { |
|
1461 return EFourWayInterleaverStereo; |
|
1462 } |
|
1463 else if( ( KBit6 & bit17 ) && ( KBit5 & bit17 ) && ( KBit0 & bit17 ) ) // 1 1 _ _ _ _ 1 Side-by-Side interleaved stereo |
|
1464 { |
|
1465 return ESideBySideInterleavedStere; |
|
1466 } |
|
1467 else |
|
1468 { |
|
1469 // ERROR |
|
1470 return EUnknownStereoViewingSupport; |
|
1471 } |
|
1472 |
|
1473 // Unreachable |
|
1474 } |
|
1475 |
|
1476 // ---------------------------------------------------------------------------- |
|
1477 // CBaseEdid::GetSyncSignalDefinitions |
|
1478 // ---------------------------------------------------------------------------- |
|
1479 // |
|
1480 TEdidSyncSignalDefinitions CEdidParserBase::GetSyncSignalDefinitions( TUint8 aDataBlockNumber ) const |
|
1481 { |
|
1482 FUNC_LOG; |
|
1483 |
|
1484 // byte 17 |
|
1485 // 4 3 2 1 _ Analog Sync Signal Definitions: |
|
1486 //------------------------------------------ |
|
1487 // 0 0 _ _ _ Analog Composite Sync: |
|
1488 // 0 1 _ _ _ Bipolar Analog Composite Sync: |
|
1489 |
|
1490 TUint8 byte17 = 0; |
|
1491 if( aDataBlockNumber == 1 ) |
|
1492 { |
|
1493 byte17 = iBaseEdidData.iTimingDescriptor[17]; |
|
1494 } |
|
1495 else if( aDataBlockNumber == 2 ) |
|
1496 { |
|
1497 byte17 = iBaseEdidData.iSecondTimingDescriptor[17]; |
|
1498 } |
|
1499 else if( aDataBlockNumber == 3 ) |
|
1500 { |
|
1501 byte17 = iBaseEdidData.iMonitorDescriptor[17]; |
|
1502 } |
|
1503 else |
|
1504 { |
|
1505 // ERROR |
|
1506 return EUnknownSignalDefinition; |
|
1507 } |
|
1508 |
|
1509 if( !( KBit4 & byte17 ) ) // if bit4 == 0 then this is analog display |
|
1510 { |
|
1511 return GetAnalogSyncSignalDefinitions( byte17 ); |
|
1512 } |
|
1513 else |
|
1514 { |
|
1515 return GetDigitalSyncSignalDefinitions( byte17 ); |
|
1516 } |
|
1517 // unreachable |
|
1518 } |
|
1519 |
|
1520 // ---------------------------------------------------------------------------- |
|
1521 // CBaseEdid::GetAnalogSyncSignalDefinitions |
|
1522 // ---------------------------------------------------------------------------- |
|
1523 // |
|
1524 TEdidSyncSignalDefinitions CEdidParserBase::GetAnalogSyncSignalDefinitions( const TUint aByte17 ) |
|
1525 { |
|
1526 FUNC_LOG; |
|
1527 |
|
1528 // byte 17 |
|
1529 // 4 3 2 1 _ Analog Sync Signal Definitions: |
|
1530 //------------------------------------------ |
|
1531 // 0 0 _ _ _ Analog Composite Sync: |
|
1532 // 0 1 _ _ _ Bipolar Analog Composite Sync: |
|
1533 // 0 _ 0 _ _ ---------- Without Serrations; |
|
1534 // 0 _ 1 _ _ ---------- With Serrations (H-sync during V-sync); |
|
1535 // 0 _ _ 0 _ -------------------- Sync On Green Signal only |
|
1536 // 0 _ _ 1 _ -------------------- Sync On all three (RGB) video signals |
|
1537 |
|
1538 TBool ACS = !( KBit3 & aByte17 ); // if true -> bipolar analog composite sync |
|
1539 TBool serrations = KBit2 & aByte17; |
|
1540 TBool syncOnGreen = !( KBit1 & aByte17 ); |
|
1541 |
|
1542 if( ACS ) |
|
1543 { |
|
1544 if( !serrations ) |
|
1545 { |
|
1546 if( syncOnGreen ) |
|
1547 { |
|
1548 return EAnalogCompositeSyncWithoutSerrationsSyncSyncOnGreenSignalOnly; |
|
1549 } |
|
1550 else |
|
1551 { |
|
1552 return EAnalogCompositeSyncWithoutSerrationsSyncOnAllThreeVideoSignals; |
|
1553 } |
|
1554 } |
|
1555 else |
|
1556 { |
|
1557 if( syncOnGreen ) |
|
1558 { |
|
1559 return EAnalogCompositeSyncWithoutSerrationsSyncSyncOnGreenSignalOnly; |
|
1560 } |
|
1561 else |
|
1562 { |
|
1563 return EAnalogCompositeSyncWithoutSerrationsSyncOnAllThreeVideoSignals; |
|
1564 } |
|
1565 } |
|
1566 } |
|
1567 else |
|
1568 { |
|
1569 if( !serrations ) |
|
1570 { |
|
1571 if( syncOnGreen ) |
|
1572 { |
|
1573 return EAnalogBipolarAnalogCompositeSyncWithoutSerrationsSyncSyncOnGreenSignalOnly; |
|
1574 } |
|
1575 else |
|
1576 { |
|
1577 return EAnalogBipolarAnalogCompositeSyncWithoutSerrationsSyncOnAllThreeVideoSignals; |
|
1578 } |
|
1579 } |
|
1580 else |
|
1581 { |
|
1582 if( syncOnGreen ) |
|
1583 { |
|
1584 return EAnalogBipolarAnalogCompositeSyncWithSerrationsSyncSyncOnGreenSignalOnly; |
|
1585 } |
|
1586 else |
|
1587 { |
|
1588 return EAnalogBipolarAnalogCompositeSyncWithSerrationsSyncOnAllThreeVideoSignals; |
|
1589 } |
|
1590 } |
|
1591 } |
|
1592 // unreachable |
|
1593 } |
|
1594 |
|
1595 // ---------------------------------------------------------------------------- |
|
1596 // CBaseEdid::GetDigitalSyncSignalDefinitions |
|
1597 // ---------------------------------------------------------------------------- |
|
1598 // |
|
1599 TEdidSyncSignalDefinitions CEdidParserBase::GetDigitalSyncSignalDefinitions( const TUint aByte17 ) |
|
1600 { |
|
1601 FUNC_LOG; |
|
1602 |
|
1603 // 4 3 2 1 0 bit |
|
1604 // -------------- |
|
1605 // 1 0 _ _ _ Digital Composite Sync: |
|
1606 // 1 0 0 _ _ ---------- Without Serrations; |
|
1607 // 1 0 1 _ _ ---------- With Serrations (H-sync during V-sync); |
|
1608 // 1 1 _ _ _ Digital Separate Sync: |
|
1609 // 1 1 0 _ _ ---------- Vertical Sync is Negative; |
|
1610 // 1 1 1 _ _ ---------- Vertical Sync is Positive; |
|
1611 // 1 _ _ 0 _ -------------------- Horizontal Sync is Negative (outside of V-sync) |
|
1612 // 1 _ _ 1 _ -------------------- Horizontal Sync is Positive (outside of V-sync) |
|
1613 TBool digComp = ( KBit3 & aByte17 ); // ETrue == digital separate sync |
|
1614 TBool bit2 = KBit2 & aByte17; |
|
1615 |
|
1616 if( !digComp ) // digital composite sync |
|
1617 { |
|
1618 if( !bit2 ) // without serrations |
|
1619 { |
|
1620 return EDigitalCompositeSyncWithoutSerrations; |
|
1621 } |
|
1622 else // with serrations |
|
1623 { |
|
1624 return EDigitalCompositeSyncWithSerrations; |
|
1625 } |
|
1626 } // endif digital composite sync |
|
1627 else // digital separate sync |
|
1628 { |
|
1629 TBool bit1 = KBit1 & aByte17; |
|
1630 |
|
1631 if( !bit2 ) // vertical = neg |
|
1632 { |
|
1633 if( !bit1 ) |
|
1634 { // vertical = neg, horizontal = neg |
|
1635 return EDigitalSeparateSyncVerticalSyncIsNegativeHorizontalSyncIsNegative; |
|
1636 } |
|
1637 else |
|
1638 { // vertical = neg, horizontal = pos |
|
1639 return EDigitalSeparateSyncVerticalSyncIsNegativeHorizontalSyncIsPositive; |
|
1640 } |
|
1641 } |
|
1642 else // vertical = pos |
|
1643 { |
|
1644 if( !bit1 ) |
|
1645 { // vertical = pos, horizontal = neg |
|
1646 return EDigitalSeparateSyncVerticalSyncIsPositiveHorizontalSyncIsNegative; |
|
1647 } |
|
1648 else |
|
1649 { // vertical = pos, horizontal = pos |
|
1650 return EDigitalSeparateSyncVerticalSyncIsPositiveHorizontalSyncIsPositive; |
|
1651 } |
|
1652 } |
|
1653 } |
|
1654 // unreachable |
|
1655 } |
|
1656 |
|
1657 // End of file |