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1 /* |
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2 * Copyright (c) 2005-2006 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 the License "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: Statemachine for updating power mode |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "core_operation_update_power_mode.h" |
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20 #include "core_server.h" |
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21 #include "core_tools.h" |
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22 #include "am_debug.h" |
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23 |
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24 // ======== MEMBER FUNCTIONS ======== |
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25 |
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26 // --------------------------------------------------------------------------- |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 core_operation_update_power_mode_c::core_operation_update_power_mode_c( |
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30 u32_t request_id, |
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31 core_server_c* server, |
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32 abs_core_driverif_c* drivers, |
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33 abs_core_server_callback_c* adaptation ) : |
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34 core_operation_base_c( core_operation_update_power_mode, request_id, server, drivers, adaptation, |
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35 core_base_flag_connection_needed | core_base_flag_only_one_instance ), |
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36 preferred_mode_m( |
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37 server_m->get_core_settings().preferred_power_save_mode() ), |
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38 power_mode_m( CORE_POWER_MODE_CAM ) |
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39 { |
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40 DEBUG( "core_operation_update_power_mode_c::core_operation_update_power_mode_c()" ); |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 core_operation_update_power_mode_c::core_operation_update_power_mode_c( |
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47 u32_t request_id, |
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48 core_server_c* server, |
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49 abs_core_driverif_c* drivers, |
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50 abs_core_server_callback_c* adaptation, |
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51 const core_power_save_mode_s& mode ) : |
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52 core_operation_base_c( core_operation_update_power_mode, request_id, server, drivers, adaptation, |
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53 core_base_flag_connection_needed | core_base_flag_only_one_instance ), |
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54 preferred_mode_m( mode ), |
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55 power_mode_m( CORE_POWER_MODE_CAM ) |
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56 { |
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57 DEBUG( "core_operation_update_power_mode_c::core_operation_update_power_mode_c()" ); |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 core_operation_update_power_mode_c::~core_operation_update_power_mode_c() |
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64 { |
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65 DEBUG( "core_operation_update_power_mode_c::~core_operation_update_power_mode_c()" ); |
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66 } |
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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 core_error_e core_operation_update_power_mode_c::next_state() |
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72 { |
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73 DEBUG( "core_operation_update_power_mode_c::next_state()" ); |
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74 |
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75 switch ( operation_state_m ) |
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76 { |
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77 case core_state_init: |
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78 { |
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79 operation_state_m = core_state_req_set_power_mode; |
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80 |
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81 if ( !server_m->get_core_settings().is_driver_loaded() || |
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82 !server_m->get_connection_data() ) |
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83 { |
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84 DEBUG( "core_operation_update_power_mode_c::next_state() - not connected, no reason to set power save mode" ); |
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85 |
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86 return core_error_ok; |
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87 } |
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88 |
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89 /** |
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90 * Determine the correct mode to use. |
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91 */ |
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92 power_mode_m = determine_power_mode(); |
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93 |
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94 const core_power_mode_s& current_mode( |
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95 server_m->get_core_settings().power_mode() ); |
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96 |
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97 if( power_mode_m.mode == current_mode.mode && |
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98 power_mode_m.wakeup_mode_light == current_mode.wakeup_mode_light && |
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99 power_mode_m.wakeup_interval_light == current_mode.wakeup_interval_light && |
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100 power_mode_m.wakeup_mode_deep == current_mode.wakeup_mode_deep && |
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101 power_mode_m.wakeup_interval_deep == current_mode.wakeup_interval_deep ) |
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102 { |
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103 DEBUG1( "core_operation_update_power_mode_c::next_state() - power save mode (%u) already set", |
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104 power_mode_m.mode ); |
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105 |
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106 return core_error_ok; |
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107 } |
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108 |
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109 #ifdef _DEBUG |
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110 if( power_mode_m.mode == core_power_mode_cam ) |
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111 { |
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112 DEBUG( "core_operation_update_power_mode_c::next_state() - setting power mode to core_power_mode_cam" ); |
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113 } |
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114 else |
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115 { |
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116 DEBUG4( "core_operation_update_power_mode_c::next_state() - setting power mode to core_power_mode_ps (light %u, %u) (deep %u, %u)", |
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117 power_mode_m.wakeup_mode_light, power_mode_m.wakeup_interval_light, |
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118 power_mode_m.wakeup_mode_deep, power_mode_m.wakeup_interval_deep ); |
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119 } |
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120 #endif // _DEBUG |
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121 |
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122 drivers_m->set_power_mode( |
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123 request_id_m, |
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124 power_mode_m ); |
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125 |
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126 break; |
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127 } |
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128 case core_state_req_set_power_mode: |
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129 { |
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130 DEBUG1( "core_operation_update_power_mode_c::next_state() - power save mode (%u) successfully set", |
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131 power_mode_m.mode ); |
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132 |
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133 server_m->get_core_settings().set_power_mode( power_mode_m ); |
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134 |
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135 return core_error_ok; |
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136 } |
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137 default: |
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138 { |
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139 ASSERT( false_t ); |
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140 } |
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141 } |
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142 |
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143 return core_error_request_pending; |
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144 } |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // --------------------------------------------------------------------------- |
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148 // |
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149 core_power_mode_s core_operation_update_power_mode_c::determine_power_mode() const |
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150 { |
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151 DEBUG( "core_operation_update_power_mode_c::determine_power_mode()" ); |
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152 |
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153 if( !server_m->get_device_settings().power_save_enabled ) |
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154 { |
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155 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_CAM, disabled in settings" ); |
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156 |
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157 return CORE_POWER_MODE_CAM; |
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158 } |
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159 |
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160 if ( server_m->get_connection_data() && |
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161 server_m->get_connection_data()->iap_data().operating_mode() == core_operating_mode_ibss ) |
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162 { |
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163 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_CAM, IBSS network" ); |
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164 |
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165 return CORE_POWER_MODE_CAM; |
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166 } |
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167 |
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168 if( preferred_mode_m.mode == core_power_save_mode_none ) |
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169 { |
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170 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_CAM, preferred mode" ); |
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171 |
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172 return CORE_POWER_MODE_CAM; |
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173 } |
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174 |
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175 if( preferred_mode_m.mode == core_power_save_mode_beacon ) |
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176 { |
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177 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_PS_BEACON, preferred mode" ); |
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178 |
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179 core_power_mode_s mode( CORE_POWER_MODE_PS_BEACON ); |
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180 mode.wakeup_interval_light = preferred_mode_m.wakeup_interval; |
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181 mode.wakeup_interval_deep = preferred_mode_m.wakeup_interval; |
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182 |
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183 return mode; |
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184 } |
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185 |
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186 if( preferred_mode_m.mode == core_power_save_mode_dtim ) |
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187 { |
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188 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_PS_DTIM, preferred mode" ); |
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189 |
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190 core_power_mode_s mode( CORE_POWER_MODE_PS_DTIM ); |
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191 mode.wakeup_interval_light = preferred_mode_m.wakeup_interval; |
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192 mode.wakeup_interval_deep = preferred_mode_m.wakeup_interval; |
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193 |
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194 return mode; |
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195 } |
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196 |
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197 u8_t wakeup_interval( 1 ); |
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198 bool_t is_power_save_test_success( true_t ); |
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199 if( server_m->get_connection_data() && |
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200 server_m->get_connection_data()->current_ap_data() ) |
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201 { |
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202 u32_t dtim_skip_interval( |
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203 server_m->get_connection_data()->current_ap_data()->dtim_period() * |
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204 server_m->get_connection_data()->current_ap_data()->beacon_interval() * |
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205 MILLISECONDS_FROM_MICROSECONDS ); |
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206 |
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207 /** |
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208 * DTIM period can be zero if we haven't received a beacon from |
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209 * the AP yet. |
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210 */ |
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211 if( dtim_skip_interval ) |
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212 { |
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213 DEBUG1( "core_operation_update_power_mode_c::determine_power_mode() - max_dtim_skip_interval: %u", |
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214 server_m->get_device_settings().max_dtim_skip_interval ); |
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215 DEBUG1( "core_operation_update_power_mode_c::determine_power_mode() - dtim_skip_interval: %u", |
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216 dtim_skip_interval ); |
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217 |
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218 while( dtim_skip_interval * ( wakeup_interval + 1 ) <= server_m->get_device_settings().max_dtim_skip_interval ) |
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219 { |
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220 ++wakeup_interval; |
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221 } |
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222 } |
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223 |
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224 core_mac_address_s bssid( |
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225 server_m->get_connection_data()->current_ap_data()->bssid() ); |
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226 server_m->get_connection_data()->is_ap_power_save_test_run( |
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227 bssid, is_power_save_test_success ); |
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228 } |
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229 |
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230 if( preferred_mode_m.mode == core_power_save_mode_dtim_skipping ) |
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231 { |
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232 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_PS_DTIM, preferred mode" ); |
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233 |
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234 core_power_mode_s mode( CORE_POWER_MODE_PS_DTIM ); |
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235 mode.wakeup_interval_light = wakeup_interval; |
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236 mode.wakeup_interval_deep = wakeup_interval; |
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237 |
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238 return mode; |
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239 } |
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240 |
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241 if( !is_power_save_test_success ) |
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242 { |
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243 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_CAM, AP power save test failure" ); |
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244 |
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245 return CORE_POWER_MODE_CAM; |
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246 } |
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247 |
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248 DEBUG( "core_operation_update_power_mode_c::determine_power_mode() - CORE_POWER_MODE_PS" ); |
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249 |
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250 core_power_mode_s mode( CORE_POWER_MODE_PS ); |
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251 mode.wakeup_interval_deep = wakeup_interval; |
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252 |
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253 return mode; |
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254 } |