X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/74353374c38237d1c976dabf81703dd885d0d556..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/LUFA/Drivers/USB/Class/Host/StillImage.c diff --git a/LUFA/Drivers/USB/Class/Host/StillImage.c b/LUFA/Drivers/USB/Class/Host/StillImage.c index d116ceb74..be83497b2 100644 --- a/LUFA/Drivers/USB/Class/Host/StillImage.c +++ b/LUFA/Drivers/USB/Class/Host/StillImage.c @@ -1,412 +1,472 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2010. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../../HighLevel/USBMode.h" -#if defined(USB_CAN_BE_HOST) - -#define __INCLUDE_FROM_SI_CLASS_HOST_C -#define __INCLUDE_FROM_SI_DRIVER -#include "StillImage.h" - -uint8_t SImage_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, uint16_t ConfigDescriptorSize, - void* DeviceConfigDescriptor) -{ - uint8_t FoundEndpoints = 0; - - memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State)); - - if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration) - return SI_ENUMERROR_InvalidConfigDescriptor; - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor, - DComp_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return SI_ENUMERROR_NoSIInterfaceFound; - } - - while (FoundEndpoints != (SI_FOUND_EVENTS_IN | SI_FOUND_DATAPIPE_IN | SI_FOUND_DATAPIPE_OUT)) - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor, - DComp_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - return SI_ENUMERROR_EndpointsNotFound; - } - - USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t); - - if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) - { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(SIInterfaceInfo->Config.EventsPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - SIInterfaceInfo->Config.EventsPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - SIInterfaceInfo->State.EventsPipeSize = EndpointData->EndpointSize; - - Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); - - FoundEndpoints |= SI_FOUND_EVENTS_IN; - } - } - else - { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - SIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - SIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= SI_FOUND_DATAPIPE_IN; - } - else - { - Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - SIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - SIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= SI_FOUND_DATAPIPE_OUT; - } - } - } - - SIInterfaceInfo->State.IsActive = true; - return SI_ENUMERROR_NoError; -} - -uint8_t DComp_SI_Host_NextSIInterface(void* const CurrentDescriptor) -{ - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, - USB_Descriptor_Interface_t); - - if ((CurrentInterface->Class == STILL_IMAGE_CLASS) && - (CurrentInterface->SubClass == STILL_IMAGE_SUBCLASS) && - (CurrentInterface->Protocol == STILL_IMAGE_PROTOCOL)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -uint8_t DComp_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor) -{ - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) - { - USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor, - USB_Descriptor_Endpoint_t); - - uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); - - if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && - (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))) - { - return DESCRIPTOR_SEARCH_Found; - } - } - else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - return DESCRIPTOR_SEARCH_Fail; - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -uint8_t SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return PIPE_RWSTREAM_DeviceDisconnected; - - PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++; - - Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_Unfreeze(); - - if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0)); - - if (ParamBytes) - { - if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - } - - Pipe_ClearOUT(); - Pipe_Freeze(); - - return PIPE_RWSTREAM_NoError; -} - -uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader) -{ - uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return PIPE_RWSTREAM_DeviceDisconnected; - - Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); - Pipe_Unfreeze(); - - while (!(Pipe_IsReadWriteAllowed())) - { - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - TimeoutMSRem--; - - if (!(TimeoutMSRem)) - { - return PIPE_RWSTREAM_Timeout; - } - } - - Pipe_Freeze(); - Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_Unfreeze(); - - if (Pipe_IsStalled()) - { - USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataOUTPipeNumber); - return PIPE_RWSTREAM_PipeStalled; - } - - Pipe_Freeze(); - Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); - Pipe_Unfreeze(); - - if (Pipe_IsStalled()) - { - USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataINPipeNumber); - return PIPE_RWSTREAM_PipeStalled; - } - - if (USB_HostState == HOST_STATE_Unattached) - return PIPE_RWSTREAM_DeviceDisconnected; - } - - Pipe_Read_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK); - - if (PIMAHeader->Type == CType_ResponseBlock) - { - uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0)); - - if (ParamBytes) - Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK); - - Pipe_ClearIN(); - } - - Pipe_Freeze(); - - return PIPE_RWSTREAM_NoError; -} - -uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return PIPE_RWSTREAM_DeviceDisconnected; - - Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_Unfreeze(); - - ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK); - - Pipe_ClearOUT(); - Pipe_Freeze(); - - return ErrorCode; -} - -uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return PIPE_RWSTREAM_DeviceDisconnected; - - Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); - Pipe_Unfreeze(); - - ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK); - - Pipe_Freeze(); - - return ErrorCode; -} - -bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo) -{ - bool IsEventReceived = false; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return false; - - Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber); - Pipe_Unfreeze(); - - if (Pipe_BytesInPipe()) - IsEventReceived = true; - - Pipe_Freeze(); - - return IsEventReceived; -} - -uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return PIPE_RWSTREAM_DeviceDisconnected; - - Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber); - Pipe_Unfreeze(); - - ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(SI_PIMA_Container_t), NO_STREAM_CALLBACK); - - Pipe_ClearIN(); - Pipe_Freeze(); - - return ErrorCode; -} - -uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - uint8_t ErrorCode; - - SIInterfaceInfo->State.TransactionID = 0; - SIInterfaceInfo->State.IsSessionOpen = false; - - SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(1), - .Type = CType_CommandBlock, - .Code = 0x1002, - .Params = {1}, - }; - - if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001)) - return SI_ERROR_LOGICAL_CMD_FAILED; - - SIInterfaceInfo->State.IsSessionOpen = true; - - return PIPE_RWSTREAM_NoError; -} - -uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - uint8_t ErrorCode; - - SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(1), - .Type = CType_CommandBlock, - .Code = 0x1003, - .Params = {1}, - }; - - if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - SIInterfaceInfo->State.IsSessionOpen = false; - - if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001)) - return SI_ERROR_LOGICAL_CMD_FAILED; - - return PIPE_RWSTREAM_NoError; -} - -uint8_t SImage_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, const uint16_t Operation, - const uint8_t TotalParams, uint32_t* Params) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - uint8_t ErrorCode; - - SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(TotalParams), - .Type = CType_CommandBlock, - .Code = Operation, - }; - - memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams); - - if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - return PIPE_RWSTREAM_NoError; -} - -uint8_t SImage_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) -{ - uint8_t ErrorCode; - SI_PIMA_Container_t PIMABlock; - - if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - - if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001)) - return SI_ERROR_LOGICAL_CMD_FAILED; - - return PIPE_RWSTREAM_NoError; -} - -#endif +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../../Core/USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_SI_DRIVER +#define __INCLUDE_FROM_STILLIMAGE_HOST_C +#include "StillImage.h" + +uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; + USB_Descriptor_Endpoint_t* EventsEndpoint = NULL; + USB_Descriptor_Interface_t* StillImageInterface = NULL; + + memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State)); + + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) + return SI_ENUMERROR_InvalidConfigDescriptor; + + while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(EventsEndpoint)) + { + if (!(StillImageInterface) || + USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return SI_ENUMERROR_NoCompatibleInterfaceFound; + } + + StillImageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; + EventsEndpoint = NULL; + + continue; + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + { + if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) + EventsEndpoint = EndpointData; + else + DataINEndpoint = EndpointData; + } + else + { + DataOUTEndpoint = EndpointData; + } + } + + for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) + { + uint16_t Size; + uint8_t Type; + uint8_t Token; + uint8_t EndpointAddress; + uint8_t InterruptPeriod; + bool DoubleBanked; + + if (PipeNum == SIInterfaceInfo->Config.DataINPipeNumber) + { + Size = DataINEndpoint->EndpointSize; + EndpointAddress = DataINEndpoint->EndpointAddress; + Token = PIPE_TOKEN_IN; + Type = EP_TYPE_BULK; + DoubleBanked = SIInterfaceInfo->Config.DataINPipeDoubleBank; + InterruptPeriod = 0; + + SIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; + } + else if (PipeNum == SIInterfaceInfo->Config.DataOUTPipeNumber) + { + Size = DataOUTEndpoint->EndpointSize; + EndpointAddress = DataOUTEndpoint->EndpointAddress; + Token = PIPE_TOKEN_OUT; + Type = EP_TYPE_BULK; + DoubleBanked = SIInterfaceInfo->Config.DataOUTPipeDoubleBank; + InterruptPeriod = 0; + + SIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; + } + else if (PipeNum == SIInterfaceInfo->Config.EventsPipeNumber) + { + Size = EventsEndpoint->EndpointSize; + EndpointAddress = EventsEndpoint->EndpointAddress; + Token = PIPE_TOKEN_IN; + Type = EP_TYPE_INTERRUPT; + DoubleBanked = SIInterfaceInfo->Config.EventsPipeDoubleBank; + InterruptPeriod = EventsEndpoint->PollingIntervalMS; + + SIInterfaceInfo->State.EventsPipeSize = EventsEndpoint->EndpointSize; + } + else + { + continue; + } + + if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size, + DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE))) + { + return SI_ENUMERROR_PipeConfigurationFailed; + } + + if (InterruptPeriod) + Pipe_SetInterruptPeriod(InterruptPeriod); + } + + SIInterfaceInfo->State.InterfaceNumber = StillImageInterface->InterfaceNumber; + SIInterfaceInfo->State.IsActive = true; + + return SI_ENUMERROR_NoError; +} + +uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Interface) + { + USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); + + if ((Interface->Class == SI_CSCP_StillImageClass) && + (Interface->SubClass == SI_CSCP_StillImageSubclass) && + (Interface->Protocol == SI_CSCP_BulkOnlyProtocol)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Endpoint) + { + USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t); + + uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK); + + if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && + (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))) + { + return DESCRIPTOR_SEARCH_Found; + } + } + else if (Header->Type == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + PIMA_Container_t* const PIMAHeader) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + if (SIInterfaceInfo->State.IsSessionOpen) + PIMAHeader->TransactionID = cpu_to_le32(SIInterfaceInfo->State.TransactionID++); + + Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_Unfreeze(); + + if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0)); + + if (ParamBytes) + { + if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + } + + Pipe_ClearOUT(); + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + PIMA_Container_t* const PIMAHeader) +{ + uint16_t TimeoutMSRem = SI_COMMAND_DATA_TIMEOUT_MS; + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); + Pipe_Unfreeze(); + + while (!(Pipe_IsINReceived())) + { + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return PIPE_RWSTREAM_Timeout; + } + + Pipe_Freeze(); + Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_Unfreeze(); + + if (Pipe_IsStalled()) + { + USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataOUTPipeNumber); + return PIPE_RWSTREAM_PipeStalled; + } + + Pipe_Freeze(); + Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); + Pipe_Unfreeze(); + + if (Pipe_IsStalled()) + { + USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataINPipeNumber); + return PIPE_RWSTREAM_PipeStalled; + } + + if (USB_HostState == HOST_STATE_Unattached) + return PIPE_RWSTREAM_DeviceDisconnected; + } + + Pipe_Read_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL); + + if (PIMAHeader->Type == CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) + { + uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0)); + + if (ParamBytes) + Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL); + + Pipe_ClearIN(); + } + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + void* Buffer, + const uint16_t Bytes) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_Unfreeze(); + + ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NULL); + + Pipe_ClearOUT(); + Pipe_Freeze(); + + return ErrorCode; +} + +uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + void* Buffer, + const uint16_t Bytes) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber); + Pipe_Unfreeze(); + + ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NULL); + + Pipe_Freeze(); + + return ErrorCode; +} + +bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) +{ + bool IsEventReceived = false; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return false; + + Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber); + Pipe_Unfreeze(); + + if (Pipe_BytesInPipe()) + IsEventReceived = true; + + Pipe_Freeze(); + + return IsEventReceived; +} + +uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + PIMA_Container_t* const PIMAHeader) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber); + Pipe_Unfreeze(); + + ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(PIMA_Container_t), NULL); + + Pipe_ClearIN(); + Pipe_Freeze(); + + return ErrorCode; +} + +uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + SIInterfaceInfo->State.TransactionID = 0; + SIInterfaceInfo->State.IsSessionOpen = false; + + PIMA_Container_t PIMABlock = (PIMA_Container_t) + { + .DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)), + .Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock), + .Code = CPU_TO_LE16(0x1002), + .Params = {CPU_TO_LE32(1)}, + }; + + if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001))) + return SI_ERROR_LOGICAL_CMD_FAILED; + + SIInterfaceInfo->State.IsSessionOpen = true; + + return PIPE_RWSTREAM_NoError; +} + +uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + PIMA_Container_t PIMABlock = (PIMA_Container_t) + { + .DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)), + .Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock), + .Code = CPU_TO_LE16(0x1003), + .Params = {CPU_TO_LE32(1)}, + }; + + if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + SIInterfaceInfo->State.IsSessionOpen = false; + + if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001))) + return SI_ERROR_LOGICAL_CMD_FAILED; + + return PIPE_RWSTREAM_NoError; +} + +uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, + const uint16_t Operation, + const uint8_t TotalParams, + uint32_t* const Params) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + PIMA_Container_t PIMABlock = (PIMA_Container_t) + { + .DataLength = cpu_to_le32(PIMA_COMMAND_SIZE(TotalParams)), + .Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock), + .Code = cpu_to_le16(Operation), + }; + + memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams); + + if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + return PIPE_RWSTREAM_NoError; +} + +uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) +{ + uint8_t ErrorCode; + PIMA_Container_t PIMABlock; + + if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError) + return ErrorCode; + + if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001))) + return SI_ERROR_LOGICAL_CMD_FAILED; + + return PIPE_RWSTREAM_NoError; +} + +#endif +