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| 1 | +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| 2 | +// Copyright (c) Microsoft Corporation. All rights reserved. |
| 3 | +// Portions Copyright (c) Secret Labs LLC. |
| 4 | +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| 5 | + |
| 6 | +#include "..\Core.h" |
| 7 | + |
| 8 | +//////////////////////////////////////////////////////////////////////////////////////////////////// |
| 9 | + |
| 10 | +CLR_RT_DblLinkedList CLR_RT_HeapBlock_I2CXAction::m_i2cPorts; //FIX ME -change location |
| 11 | + |
| 12 | +void CLR_RT_HeapBlock_I2CXAction::HandlerMethod_Initialize() |
| 13 | +{ |
| 14 | + NATIVE_PROFILE_CLR_I2C(); |
| 15 | + CLR_RT_HeapBlock_I2CXAction::m_i2cPorts.DblLinkedList_Initialize(); |
| 16 | +} |
| 17 | + |
| 18 | +void CLR_RT_HeapBlock_I2CXAction::HandlerMethod_RecoverFromGC() |
| 19 | +{ |
| 20 | + NATIVE_PROFILE_CLR_I2C(); |
| 21 | + TINYCLR_FOREACH_NODE(CLR_RT_HeapBlock_I2CXAction,i2cPort,CLR_RT_HeapBlock_I2CXAction::m_i2cPorts) |
| 22 | + { |
| 23 | + i2cPort->RecoverFromGC(); |
| 24 | + } |
| 25 | + TINYCLR_FOREACH_NODE_END(); |
| 26 | +} |
| 27 | + |
| 28 | +void CLR_RT_HeapBlock_I2CXAction::HandlerMethod_CleanUp() |
| 29 | +{ |
| 30 | + NATIVE_PROFILE_CLR_I2C(); |
| 31 | + CLR_RT_HeapBlock_I2CXAction* i2cPort; |
| 32 | + |
| 33 | + while(NULL != (i2cPort = (CLR_RT_HeapBlock_I2CXAction*)CLR_RT_HeapBlock_I2CXAction::m_i2cPorts.FirstValidNode())) |
| 34 | + { |
| 35 | + i2cPort->DetachAll(); |
| 36 | + i2cPort->ReleaseWhenDeadEx(); |
| 37 | + } |
| 38 | +} |
| 39 | + |
| 40 | +HRESULT CLR_RT_HeapBlock_I2CXAction::CreateInstance( CLR_RT_HeapBlock& owner, CLR_RT_HeapBlock& xActionRef ) |
| 41 | +{ |
| 42 | + NATIVE_PROFILE_CLR_I2C(); |
| 43 | + TINYCLR_HEADER(); |
| 44 | + |
| 45 | + CLR_RT_HeapBlock_I2CXAction* xAction = NULL; |
| 46 | + |
| 47 | + xAction = EVENTCACHE_EXTRACT_NODE(g_CLR_RT_EventCache,CLR_RT_HeapBlock_I2CXAction,DATATYPE_I2C_XACTION); CHECK_ALLOCATION(xAction); |
| 48 | + |
| 49 | + { |
| 50 | + CLR_RT_ProtectFromGC gc( *xAction ); |
| 51 | + |
| 52 | + xAction->Initialize(); |
| 53 | + |
| 54 | + xAction->m_HalXAction = NULL; |
| 55 | + xAction->m_HalXActionUnits = NULL; |
| 56 | + xAction->m_dataBuffers = NULL; |
| 57 | + xAction->m_xActionUnits = 0; |
| 58 | + |
| 59 | + m_i2cPorts.LinkAtBack( xAction ); |
| 60 | + |
| 61 | + TINYCLR_CHECK_HRESULT(CLR_RT_ObjectToEvent_Source::CreateInstance( xAction, owner, xActionRef )); |
| 62 | + } |
| 63 | + |
| 64 | + |
| 65 | + |
| 66 | + TINYCLR_CLEANUP(); |
| 67 | + |
| 68 | + if(FAILED(hr)) |
| 69 | + { |
| 70 | + if(xAction) xAction->ReleaseWhenDeadEx(); |
| 71 | + } |
| 72 | + |
| 73 | + TINYCLR_CLEANUP_END(); |
| 74 | +} |
| 75 | + |
| 76 | +HRESULT CLR_RT_HeapBlock_I2CXAction::ExtractInstance( CLR_RT_HeapBlock& ref, CLR_RT_HeapBlock_I2CXAction*& xAction ) |
| 77 | +{ |
| 78 | + NATIVE_PROFILE_CLR_I2C(); |
| 79 | + TINYCLR_HEADER(); |
| 80 | + |
| 81 | + CLR_RT_ObjectToEvent_Source* src = CLR_RT_ObjectToEvent_Source::ExtractInstance( ref ); FAULT_ON_NULL(src); |
| 82 | + |
| 83 | + xAction = (CLR_RT_HeapBlock_I2CXAction*)src->m_eventPtr; |
| 84 | + |
| 85 | + TINYCLR_NOCLEANUP(); |
| 86 | +} |
| 87 | + |
| 88 | +HRESULT CLR_RT_HeapBlock_I2CXAction::AllocateXAction( CLR_UINT32 numXActionUnits ) |
| 89 | +{ |
| 90 | + NATIVE_PROFILE_CLR_I2C(); |
| 91 | + TINYCLR_HEADER(); |
| 92 | + |
| 93 | + CLR_UINT32 index; |
| 94 | + |
| 95 | + if(IsPending()) |
| 96 | + { |
| 97 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_OPERATION); |
| 98 | + } |
| 99 | + |
| 100 | + m_xActionUnits = numXActionUnits; |
| 101 | + |
| 102 | + // allocate memory for the transaction |
| 103 | + m_HalXAction = (I2C_HAL_XACTION*)CLR_RT_Memory::Allocate_And_Erase( sizeof(I2C_HAL_XACTION) ); CHECK_ALLOCATION(m_HalXAction); |
| 104 | + |
| 105 | + ((HAL_CONTINUATION*)m_HalXAction)->Initialize(); |
| 106 | + |
| 107 | + ::I2C_XAction_SetState( m_HalXAction, I2C_HAL_XACTION::c_Status_Idle ); |
| 108 | + |
| 109 | + // initialize pointers to data buffers |
| 110 | + m_dataBuffers = (I2C_WORD**)CLR_RT_Memory::Allocate_And_Erase( sizeof(I2C_WORD*) * numXActionUnits ); CHECK_ALLOCATION(m_dataBuffers); |
| 111 | + |
| 112 | + // allocate memory for the transaction units |
| 113 | + m_HalXActionUnits = (I2C_HAL_XACTION_UNIT**)CLR_RT_Memory::Allocate_And_Erase( sizeof(I2C_HAL_XACTION_UNIT*) * numXActionUnits ); CHECK_ALLOCATION(m_HalXActionUnits); |
| 114 | + |
| 115 | + for(index = 0; index < numXActionUnits; ++index) |
| 116 | + { |
| 117 | + m_HalXActionUnits[ index ] = (I2C_HAL_XACTION_UNIT*)CLR_RT_Memory::Allocate_And_Erase( sizeof(I2C_HAL_XACTION_UNIT) ); CHECK_ALLOCATION(m_HalXActionUnits[ index ]); |
| 118 | + } |
| 119 | + |
| 120 | + TINYCLR_CLEANUP(); |
| 121 | + |
| 122 | + if(FAILED(hr)) |
| 123 | + { |
| 124 | + ReleaseBuffers(); |
| 125 | + } |
| 126 | + |
| 127 | + TINYCLR_CLEANUP_END(); |
| 128 | +} |
| 129 | + |
| 130 | +HRESULT CLR_RT_HeapBlock_I2CXAction::PrepareXAction( I2C_USER_CONFIGURATION& config, size_t numXActions ) |
| 131 | +{ |
| 132 | + NATIVE_PROFILE_CLR_I2C(); |
| 133 | + TINYCLR_HEADER(); |
| 134 | + |
| 135 | + _ASSERTE(numXActions > 0); |
| 136 | + |
| 137 | + if(IsPending()) |
| 138 | + { |
| 139 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_OPERATION); |
| 140 | + } |
| 141 | + |
| 142 | + if(m_HalXAction == NULL || m_HalXActionUnits == NULL) |
| 143 | + { |
| 144 | + TINYCLR_SET_AND_LEAVE(CLR_E_NULL_REFERENCE); |
| 145 | + } |
| 146 | + |
| 147 | + I2C_InitializeTransaction( |
| 148 | + m_HalXAction, |
| 149 | + config, |
| 150 | + m_HalXActionUnits, |
| 151 | + numXActions |
| 152 | + ); |
| 153 | + |
| 154 | + TINYCLR_NOCLEANUP(); |
| 155 | +} |
| 156 | + |
| 157 | +#if defined(PLATFORM_ARM_Netduino) || defined(PLATFORM_ARM_NetduinoPlus) || defined(PLATFORM_ARM_NetduinoMini) |
| 158 | +HRESULT CLR_RT_HeapBlock_I2CXAction::PrepareXActionUnit( CLR_UINT8* src, size_t length, size_t unit, bool fRead, CLR_UINT8 internalAddressSize, CLR_UINT32 internalAddress ) |
| 159 | +#else |
| 160 | +HRESULT CLR_RT_HeapBlock_I2CXAction::PrepareXActionUnit( CLR_UINT8* src, size_t length, size_t unit, bool fRead ) |
| 161 | +#endif |
| 162 | +{ |
| 163 | + NATIVE_PROFILE_CLR_I2C(); |
| 164 | + TINYCLR_HEADER(); |
| 165 | + |
| 166 | + _ASSERTE(src != NULL); |
| 167 | + _ASSERTE(length > 0); |
| 168 | + |
| 169 | + if(IsPending()) |
| 170 | + { |
| 171 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_OPERATION); |
| 172 | + } |
| 173 | + |
| 174 | + if(m_HalXActionUnits == NULL || m_dataBuffers == NULL) |
| 175 | + { |
| 176 | + TINYCLR_SET_AND_LEAVE(CLR_E_NULL_REFERENCE); |
| 177 | + } |
| 178 | + |
| 179 | + if(unit > m_xActionUnits-1) |
| 180 | + { |
| 181 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_PARAMETER); |
| 182 | + } |
| 183 | + |
| 184 | + m_dataBuffers[ unit ] = (I2C_WORD*)CLR_RT_Memory::Allocate_And_Erase( length * sizeof(I2C_WORD) ); CHECK_ALLOCATION(m_dataBuffers[ unit ]); |
| 185 | + |
| 186 | + I2C_InitializeTransactionUnit( |
| 187 | + m_HalXActionUnits[ unit ], |
| 188 | + src, |
| 189 | + m_dataBuffers[ unit ], |
| 190 | + length, |
| 191 | + fRead ? TRUE : FALSE |
| 192 | +#if defined(PLATFORM_ARM_Netduino) || defined(PLATFORM_ARM_NetduinoPlus) || defined(PLATFORM_ARM_NetduinoMini) |
| 193 | + , |
| 194 | + internalAddressSize, |
| 195 | + internalAddress |
| 196 | +#endif |
| 197 | + ); |
| 198 | + |
| 199 | + TINYCLR_NOCLEANUP(); |
| 200 | +} |
| 201 | + |
| 202 | +void CLR_RT_HeapBlock_I2CXAction::CopyBuffer( CLR_UINT8* dst, size_t length, size_t unit ) |
| 203 | +{ |
| 204 | + NATIVE_PROFILE_CLR_I2C(); |
| 205 | + ASSERT(unit<m_xActionUnits); |
| 206 | + |
| 207 | + if(!m_HalXAction || !IsCompleted()) |
| 208 | + { |
| 209 | + return; |
| 210 | + } |
| 211 | + |
| 212 | + ::I2C_XActionUnit_CopyBuffer( m_HalXActionUnits[ unit ], dst, length ); |
| 213 | +} |
| 214 | + |
| 215 | +void CLR_RT_HeapBlock_I2CXAction::ReleaseBuffers() |
| 216 | +{ |
| 217 | + NATIVE_PROFILE_CLR_I2C(); |
| 218 | + CLR_UINT32 index = 0; |
| 219 | + |
| 220 | + if(m_HalXAction != NULL) |
| 221 | + { |
| 222 | + I2C_Cancel( m_HalXAction, false ); |
| 223 | + |
| 224 | + CLR_RT_Memory::Release( m_HalXAction ); m_HalXAction = NULL; |
| 225 | + } |
| 226 | + |
| 227 | + if(m_dataBuffers != NULL) |
| 228 | + { |
| 229 | + for(index = 0; index < m_xActionUnits; ++index) |
| 230 | + { |
| 231 | + if(m_dataBuffers[ index ] != NULL) |
| 232 | + { |
| 233 | + CLR_RT_Memory::Release( m_dataBuffers[ index ] ); m_dataBuffers[ index ] = NULL; |
| 234 | + } |
| 235 | + } |
| 236 | + |
| 237 | + CLR_RT_Memory::Release( m_dataBuffers ); m_dataBuffers = NULL; |
| 238 | + } |
| 239 | + |
| 240 | + if(m_HalXActionUnits != NULL) |
| 241 | + { |
| 242 | + for(index = 0; index < m_xActionUnits; ++index) |
| 243 | + { |
| 244 | + if(m_HalXActionUnits[ index ] != NULL) |
| 245 | + { |
| 246 | + CLR_RT_Memory::Release( m_HalXActionUnits[ index ] ); m_HalXActionUnits[ index ] = NULL; |
| 247 | + } |
| 248 | + } |
| 249 | + |
| 250 | + CLR_RT_Memory::Release( m_HalXActionUnits ); m_HalXActionUnits = NULL; |
| 251 | + } |
| 252 | +} |
| 253 | + |
| 254 | +HRESULT CLR_RT_HeapBlock_I2CXAction::Enqueue() |
| 255 | +{ |
| 256 | + NATIVE_PROFILE_CLR_I2C(); |
| 257 | + TINYCLR_HEADER(); |
| 258 | + |
| 259 | + if(!m_HalXAction || IsPending()) |
| 260 | + { |
| 261 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_OPERATION); |
| 262 | + } |
| 263 | + |
| 264 | + if(!::I2C_Enqueue( m_HalXAction )) |
| 265 | + { |
| 266 | + TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_OPERATION); |
| 267 | + } |
| 268 | + |
| 269 | + TINYCLR_NOCLEANUP(); |
| 270 | +} |
| 271 | + |
| 272 | +void CLR_RT_HeapBlock_I2CXAction::Cancel( bool signal ) |
| 273 | +{ |
| 274 | + NATIVE_PROFILE_CLR_I2C(); |
| 275 | + if(!m_HalXAction) |
| 276 | + { |
| 277 | + return; |
| 278 | + } |
| 279 | + |
| 280 | + ::I2C_Cancel( m_HalXAction, true ); |
| 281 | +} |
| 282 | + |
| 283 | +bool CLR_RT_HeapBlock_I2CXAction::IsPending() |
| 284 | +{ |
| 285 | + NATIVE_PROFILE_CLR_I2C(); |
| 286 | + if(!m_HalXAction) |
| 287 | + { |
| 288 | + return false; |
| 289 | + } |
| 290 | + |
| 291 | + return ::I2C_XAction_CheckState( m_HalXAction, I2C_HAL_XACTION::c_Status_Scheduled | I2C_HAL_XACTION::c_Status_Processing ) == TRUE ? true : false; |
| 292 | +} |
| 293 | + |
| 294 | +bool CLR_RT_HeapBlock_I2CXAction::IsTerminated() |
| 295 | +{ |
| 296 | + NATIVE_PROFILE_CLR_I2C(); |
| 297 | + if(!m_HalXAction) |
| 298 | + { |
| 299 | + return false; |
| 300 | + } |
| 301 | + |
| 302 | + return ::I2C_XAction_CheckState( m_HalXAction, I2C_HAL_XACTION::c_Status_Completed | I2C_HAL_XACTION::c_Status_Aborted ) == TRUE ? true : false; |
| 303 | +} |
| 304 | + |
| 305 | +bool CLR_RT_HeapBlock_I2CXAction::IsCompleted() |
| 306 | +{ |
| 307 | + NATIVE_PROFILE_CLR_I2C(); |
| 308 | + if(!m_HalXAction) |
| 309 | + { |
| 310 | + return false; |
| 311 | + } |
| 312 | + |
| 313 | + return ::I2C_XAction_CheckState( m_HalXAction, I2C_HAL_XACTION::c_Status_Completed ) == TRUE ? true : false; |
| 314 | +} |
| 315 | + |
| 316 | +bool CLR_RT_HeapBlock_I2CXAction::IsReadXActionUnit( size_t unit ) |
| 317 | +{ |
| 318 | + NATIVE_PROFILE_CLR_I2C(); |
| 319 | + if(m_HalXActionUnits == NULL) |
| 320 | + { |
| 321 | + return false; |
| 322 | + } |
| 323 | + |
| 324 | + return ::I2C_XActionUnit_IsRead( m_HalXActionUnits[ unit ] ) == FALSE ? false : true; |
| 325 | + |
| 326 | +} |
| 327 | + |
| 328 | +size_t CLR_RT_HeapBlock_I2CXAction::TransactedBytes() |
| 329 | +{ |
| 330 | + NATIVE_PROFILE_CLR_I2C(); |
| 331 | + if(!m_HalXAction || m_HalXAction->CheckState( I2C_HAL_XACTION::c_Status_Idle )) |
| 332 | + { |
| 333 | + return 0; |
| 334 | + } |
| 335 | + |
| 336 | + return ::I2C_XAction_TransactedBytes( m_HalXAction ); |
| 337 | +} |
| 338 | + |
| 339 | +CLR_UINT8 CLR_RT_HeapBlock_I2CXAction::GetStatus() |
| 340 | +{ |
| 341 | + NATIVE_PROFILE_CLR_I2C(); |
| 342 | + if(!m_HalXAction) |
| 343 | + { |
| 344 | + return I2C_HAL_XACTION::c_Status_Idle; |
| 345 | + } |
| 346 | + |
| 347 | + return ::I2C_XAction_GetState( m_HalXAction ); |
| 348 | +} |
| 349 | + |
| 350 | +void CLR_RT_HeapBlock_I2CXAction::RecoverFromGC() |
| 351 | +{ |
| 352 | + NATIVE_PROFILE_CLR_I2C(); |
| 353 | + CheckAll(); |
| 354 | + |
| 355 | + ReleaseWhenDeadEx(); |
| 356 | +} |
| 357 | + |
| 358 | +bool CLR_RT_HeapBlock_I2CXAction::ReleaseWhenDeadEx() |
| 359 | +{ |
| 360 | + NATIVE_PROFILE_CLR_I2C(); |
| 361 | + if(!IsReadyForRelease()) return false; |
| 362 | + |
| 363 | + ReleaseBuffers(); |
| 364 | + |
| 365 | + return ReleaseWhenDead(); |
| 366 | +} |
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