From f6d56675f9f981c5464f0ca7a1fbb0162154e8c5 Mon Sep 17 00:00:00 2001 From: tmk Date: Wed, 13 May 2015 11:13:10 +0900 Subject: Squashed 'tmk_core/' changes from caca2c0..dc0e46e dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c --- protocol/lufa/LUFA-git | 1 - .../LUFA/Drivers/USB/Class/Host/MIDIClassHost.c | 231 +++++++++++++++++++++ 2 files changed, 231 insertions(+), 1 deletion(-) delete mode 160000 protocol/lufa/LUFA-git create mode 100644 protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c (limited to 'protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c') diff --git a/protocol/lufa/LUFA-git b/protocol/lufa/LUFA-git deleted file mode 160000 index b6c18b2a7c..0000000000 --- a/protocol/lufa/LUFA-git +++ /dev/null @@ -1 +0,0 @@ -Subproject commit b6c18b2a7c544653efbe12a1d4e8ba65e7d83c35 diff --git a/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c b/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c new file mode 100644 index 0000000000..8b898cba5d --- /dev/null +++ b/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c @@ -0,0 +1,231 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 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 disclaims 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_MIDI_DRIVER +#define __INCLUDE_FROM_MIDI_HOST_C +#include "MIDIClassHost.h" + +uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; + USB_Descriptor_Interface_t* MIDIInterface = NULL; + + memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State)); + + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) + return MIDI_ENUMERROR_InvalidConfigDescriptor; + + while (!(DataINEndpoint) || !(DataOUTEndpoint)) + { + if (!(MIDIInterface) || + USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return MIDI_ENUMERROR_NoCompatibleInterfaceFound; + } + + MIDIInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; + + continue; + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) + DataINEndpoint = EndpointData; + else + DataOUTEndpoint = EndpointData; + } + + MIDIInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize); + MIDIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress; + MIDIInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK; + + MIDIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); + MIDIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress; + MIDIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK; + + if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataINPipe, 1))) + return MIDI_ENUMERROR_PipeConfigurationFailed; + + if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataOUTPipe, 1))) + return MIDI_ENUMERROR_PipeConfigurationFailed; + + MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber; + MIDIInterfaceInfo->State.IsActive = true; + + return MIDI_ENUMERROR_NoError; +} + +static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(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 == AUDIO_CSCP_AudioClass) && + (Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) && + (Interface->Protocol == AUDIO_CSCP_StreamingProtocol)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(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) && !(Pipe_IsEndpointBound(Endpoint->EndpointAddress))) + return DESCRIPTOR_SEARCH_Found; + } + else if (Header->Type == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive)) + return; + + #if !defined(NO_CLASS_DRIVER_AUTOFLUSH) + MIDI_Host_Flush(MIDIInterfaceInfo); + #endif +} + +uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive)) + return PIPE_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + + if (Pipe_BytesInPipe()) + { + Pipe_ClearOUT(); + + if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError) + { + Pipe_Freeze(); + return ErrorCode; + } + } + + Pipe_Freeze(); + + return PIPE_READYWAIT_NoError; +} + +uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, + MIDI_EventPacket_t* const Event) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive)) + return HOST_SENDCONTROL_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + + if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError) + { + Pipe_Freeze(); + return ErrorCode; + } + + if (!(Pipe_IsReadWriteAllowed())) + Pipe_ClearOUT(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, + MIDI_EventPacket_t* const Event) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive)) + return HOST_SENDCONTROL_DeviceDisconnected; + + bool DataReady = false; + + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipe.Address); + Pipe_Unfreeze(); + + if (Pipe_IsINReceived()) + { + if (Pipe_BytesInPipe()) + { + Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL); + DataReady = true; + } + + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + } + + Pipe_Freeze(); + + return DataReady; +} + +#endif + -- cgit v1.2.3