+       uint8_t ErrorCode;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return PIPE_RWSTREAM_DeviceDisconnected;\r
+\r
+       Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);\r
+       Pipe_Unfreeze();\r
+       \r
+       ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);\r
+\r
+       Pipe_ClearOUT();\r
+       Pipe_Freeze();\r
+       \r
+       return ErrorCode;\r
+}\r
+\r
+uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes)\r
+{\r
+       uint8_t ErrorCode;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return PIPE_RWSTREAM_DeviceDisconnected;\r
+\r
+       Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber);\r
+       Pipe_Unfreeze();\r
+\r
+       ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);\r
+\r
+       Pipe_Freeze();\r
+       \r
+       return ErrorCode;\r
+}\r
+\r
+bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)\r
+{\r
+       bool IsEventReceived = false;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return false;\r
+\r
+       Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);\r
+       Pipe_Unfreeze();\r
+       \r
+       if (Pipe_BytesInPipe())\r
+         IsEventReceived = true;\r
+       \r
+       Pipe_Freeze();\r
+       \r
+       return IsEventReceived;\r
+}\r
+\r
+uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)\r
+{\r
+       uint8_t ErrorCode;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return PIPE_RWSTREAM_DeviceDisconnected;\r
+\r
+       Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);\r
+       Pipe_Unfreeze();\r
+       \r
+       ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(SI_PIMA_Container_t), NO_STREAM_CALLBACK);\r
+       \r
+       Pipe_ClearIN();\r
+       Pipe_Freeze();\r
+       \r
+       return ErrorCode;\r
+}\r
+\r
+uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)\r
+                                                       {\r
+                                                               .DataLength    = PIMA_COMMAND_SIZE(0),\r
+                                                               .Type          = CType_CommandBlock,\r
+                                                               .Code          = 0x1002,\r
+                                                               .Params        = {},\r
+                                                       };\r
+                                                       \r
+       if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r
+         \r
+       if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r
+         \r
+       if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))\r
+         return SI_ERROR_LOGICAL_CMD_FAILED;\r
+         \r
+       SIInterfaceInfo->State.TransactionID = 0;\r
+       SIInterfaceInfo->State.IsSessionOpen = true;\r
+\r
+       return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)\r
+                                                       {\r
+                                                               .DataLength    = PIMA_COMMAND_SIZE(0),\r
+                                                               .Type          = CType_CommandBlock,\r
+                                                               .Code          = 0x1003,\r
+                                                               .Params        = {},\r
+                                                       };\r
+                                                       \r
+       if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r
+         \r
+       if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r
+\r
+       SIInterfaceInfo->State.IsSessionOpen = false;\r
+\r
+       if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))\r
+         return SI_ERROR_LOGICAL_CMD_FAILED;\r
+\r
+       return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+uint8_t SImage_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, const uint16_t Operation,\r
+                                const uint8_t TotalParams, uint32_t* Params)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)\r
+                                                       {\r
+                                                               .DataLength    = PIMA_COMMAND_SIZE(TotalParams),\r
+                                                               .Type          = CType_CommandBlock,\r
+                                                               .Code          = Operation,\r
+                                                       };\r
+                                                       \r
+       memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);\r
+                                                       \r
+       if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r
+\r
+       return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+uint8_t SImage_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)\r
+{\r
+       uint8_t ErrorCode;\r
+       SI_PIMA_Container_t PIMABlock;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
+         return HOST_SENDCONTROL_DeviceDisconnected;\r
+\r
+       if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
+         return ErrorCode;\r