1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalTechnology |
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19 |
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20 */ |
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21 |
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22 #include "ULP.h" |
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23 #include "suplstart.h" |
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24 #include "supldevloggermacros.h" |
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25 #include "suplrrlpasn1common.h" |
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26 #include <math.h> |
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27 |
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28 /** |
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29 Default minimum horizontal accuracy in meters |
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30 */ |
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31 const TInt KLbsSuplMinHorAccDefault = 20; |
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32 |
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33 |
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34 /** |
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35 Static factory constructor |
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36 */ |
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37 EXPORT_C CSuplStart* CSuplStart::NewL() |
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38 { |
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39 SUPLLOG(ELogP1, "CSuplStart::NewL() Begin\n"); |
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40 CSuplStart* self = CSuplStart::NewLC(); |
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41 SUPLLOG(ELogP1, "CSuplStart::NewL() End\n"); |
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42 CleanupStack::Pop(self); |
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43 return self; |
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44 } |
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45 |
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46 /** |
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47 Static factory constructor |
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48 */ |
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49 EXPORT_C CSuplStart* CSuplStart::NewLC() |
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50 { |
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51 SUPLLOG(ELogP1, "CSuplStart::NewL() Begin\n"); |
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52 CSuplStart* self = new (ELeave) CSuplStart(); |
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53 CleanupStack::PushL(self); |
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54 self->ConstructL(); |
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55 SUPLLOG(ELogP1, "CSuplStart::NewLC() End\n"); |
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56 return self; |
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57 } |
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58 |
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59 /** |
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60 Constructor |
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61 */ |
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62 CSuplStart::CSuplStart() |
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63 : CSuplMessageBase::CSuplMessageBase(ESuplStart, ETrue) |
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64 { |
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65 SUPLLOG(ELogP1, "CSuplMessageBase::CSuplMessageBase() Begin\n"); |
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66 SUPLLOG(ELogP1, "CSuplMessageBase::CSuplMessageBase() End\n"); |
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67 } |
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68 |
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69 |
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70 /** |
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71 Second stage constructor |
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72 */ |
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73 void CSuplStart::ConstructL() |
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74 { |
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75 // call the base class ConstructL() to create data structures |
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76 CSuplMessageBase::ConstructL(); |
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77 |
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78 // local reference to context object |
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79 OSCTXT* pctxt = iControl->getCtxtPtr(); |
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80 |
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81 iData->message.t = T_UlpMessage_msSUPLSTART; |
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82 iData->message.u.msSUPLSTART = (ASN1T_SUPLSTART*)rtxMemAllocZ(pctxt, sizeof(ASN1T_SUPLSTART)); |
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83 LeaveIfAllocErrorL(); |
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84 } |
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85 |
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86 |
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87 /** |
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88 Destructor |
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89 */ |
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90 CSuplStart::~CSuplStart() |
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91 { |
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92 SUPLLOG(ELogP1, "CSuplStart::~CSuplStart() Begin\n"); |
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93 SUPLLOG(ELogP1, "CSuplStart::~CSuplStart() End\n"); |
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94 } |
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95 |
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96 |
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97 /** |
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98 SetCapabilities() |
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99 |
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100 Populates the SET Capabilities parameter of the outgoing SUPL START message. |
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101 |
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102 SET Capabilities |
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103 - Pos Technology (m) Bitmask indicating technologies the SET supports |
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104 - Pref Method (m) which GPS mode the SET prefers (TA, TB, noPref) |
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105 - Pos Protocol (m) which underlying positioning protocols are supported |
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106 |
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107 @param aCapabilities, current capabilities reported by LBS subsystem |
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108 @return error indication, KErrNone otherwise |
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109 */ |
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110 EXPORT_C TInt CSuplStart::SetCapabilities(TLbsNetPosCapabilities& aCapabilities) |
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111 { |
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112 SUPLLOG(ELogP1, "CSuplStart::SetCapabilities() Begin\n"); |
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113 __ASSERT_DEBUG(iData->message.u.msSUPLSTART != NULL, User::Invariant()); |
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114 |
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115 TInt err = PopulateSetCapabilities(aCapabilities, iData->message.u.msSUPLSTART->sETCapabilities); |
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116 |
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117 SUPLLOG(ELogP1, "CSuplStart::SetCapabilities() End\n"); |
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118 return err; |
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119 } |
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120 |
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121 |
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122 /** |
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123 SetLocationId() |
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124 |
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125 Set the location ID parameter |
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126 |
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127 Location ID - Describes the globally unique cell identification of the most current serving cell. |
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128 Cell Info (m) The following cell IDs are supported: |
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129 - GSM Cell Info |
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130 - WCDMA Cell Info |
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131 - CDMA Cell Info |
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132 Status (m) Describes whether or not the cell info is: |
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133 - Not Current, last known cell info |
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134 - Current, the present cell info |
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135 - Unknown (ie not known whether the cell id is current or not current) |
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136 |
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137 Note: The Status parameter does NOT apply to WCDMA optional parameters |
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138 (Frequency Info, Primary Scrambling Code and Measured Results List). Frequency |
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139 Info, Primary Scrambling Code and Measured Results List, if present, are always |
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140 considered to be correct for the current cell. |
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141 |
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142 @param aLocationId, describes the current location |
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143 @return error indication, KErrNone otherwise |
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144 */ |
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145 EXPORT_C TInt CSuplStart::SetLocationId(const CSuplLocationId& aLocationId) |
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146 { |
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147 __ASSERT_DEBUG(iData->message.u.msSUPLSTART != NULL, User::Invariant()); |
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148 SUPLLOG(ELogP1, "CSuplStart::SetLocationId() Begin\n"); |
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149 |
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150 TInt err = PopulateLocationId(aLocationId, iData->message.u.msSUPLSTART->locationId); |
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151 |
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152 SUPLLOG(ELogP1, "CSuplStart::SetLocationId() End\n"); |
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153 return err; |
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154 } |
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155 |
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156 |
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157 /** |
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158 SetQoP() |
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159 |
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160 Set the QoP parameter |
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161 |
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162 QoP - the desired quality of position |
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163 horacc (m) (0..127) |
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164 veracc (o) (0..127) |
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165 maxLocAge (o) (0..65535) |
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166 delay (o) (0..7) |
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167 |
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168 @param aQuality, the required quality of position |
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169 @return error indication, KErrNone otherwise |
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170 */ |
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171 EXPORT_C TInt CSuplStart::SetQoP(TLbsNetPosRequestQuality& aQuality) |
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172 { |
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173 __ASSERT_DEBUG(iData->message.u.msSUPLSTART != NULL, User::Invariant()); |
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174 SUPLLOG(ELogP1, "CSuplStart::SetQoP() Begin\n"); |
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175 |
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176 // pointer to message body |
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177 ASN1T_SUPLSTART* msgBody = iData->message.u.msSUPLSTART; |
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178 |
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179 // local reference to context object |
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180 iControl->getCtxtPtr(); |
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181 |
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182 // indicate that the optional QoP component is present |
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183 msgBody->m.qoPPresent = 1; |
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184 |
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185 // Horizontal accuracy |
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186 if (aQuality.MinHorizontalAccuracy() != 0) |
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187 { |
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188 msgBody->qoP.horacc = Uncertainty(aQuality.MinHorizontalAccuracy()); |
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189 } |
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190 else |
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191 { |
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192 msgBody->qoP.horacc = Uncertainty(KLbsSuplMinHorAccDefault); |
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193 } |
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194 |
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195 // vertical accuracy |
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196 if (aQuality.MinVerticalAccuracy() != 0) |
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197 { |
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198 msgBody->qoP.veracc = UncertaintyAltitude(aQuality.MinVerticalAccuracy()); |
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199 msgBody->qoP.m.veraccPresent = 1; |
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200 } |
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201 |
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202 // max location age / max fix age |
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203 TTimeIntervalMicroSeconds maxAge = aQuality.MaxFixAge(); |
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204 if (maxAge.Int64() != 0) |
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205 { |
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206 TInt64 maxAgeSeconds = maxAge.Int64() / KLbsMilliSeconds; |
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207 if (maxAgeSeconds > 65535) |
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208 { |
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209 // limit to 16 bits (65535 = 2^16 - 1) |
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210 maxAgeSeconds = 65535; |
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211 } |
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212 msgBody->qoP.maxLocAge = maxAgeSeconds; |
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213 msgBody->qoP.m.maxLocAgePresent = 1; |
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214 } |
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215 |
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216 // delay / max fix time |
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217 TTimeIntervalMicroSeconds maxFixTime = aQuality.MaxFixTime(); |
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218 if (maxFixTime.Int64() != 0) |
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219 { |
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220 msgBody->qoP.m.delayPresent = 1; |
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221 TInt seconds = maxFixTime.Int64() / KLbsMilliSeconds; |
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222 if (seconds <= 1) |
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223 { |
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224 msgBody->qoP.delay = 0; |
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225 } |
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226 else if (seconds <= 2) |
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227 { |
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228 msgBody->qoP.delay = 1; |
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229 } |
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230 else if (seconds <= 4) |
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231 { |
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232 msgBody->qoP.delay = 2; |
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233 } |
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234 else if (seconds <= 8) |
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235 { |
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236 msgBody->qoP.delay = 3; |
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237 } |
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238 else if (seconds <= 16) |
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239 { |
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240 msgBody->qoP.delay = 4; |
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241 } |
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242 else if (seconds <= 32) |
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243 { |
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244 msgBody->qoP.delay = 5; |
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245 } |
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246 else if (seconds <= 64) |
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247 { |
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248 msgBody->qoP.delay = 6; |
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249 } |
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250 else |
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251 { |
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252 // maximum value |
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253 msgBody->qoP.delay = 7; |
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254 } |
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255 } |
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256 |
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257 SUPLLOG(ELogP1, "CSuplStart::SetQoP() End\n"); |
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258 return KErrNone; |
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259 } |
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260 |
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